Ti-2011

Proceedings of the 12th World

Conference on Titanium

June 19-24,2011

China National Convention Center (CNCC),Beijing

Volume II

835—1694

Edited by

Lian ZHOU

Northwest Institute for Nonferrous Metal Research

Hui CHANG

Northwestern Polytechnical University

Yafeng LU

Northwest Institute for Nonferrous Metal Research

Dongsheng XU

Institute of Metal Research,Chinese Academy of Sciences

NhSOC The Nonferrous Metals Society of ChinaTiie Nonferrous f/etiiis Society of Clun.i

p SCIENCE PRESS

wESSmA Beijing

XVU1 • Proceedings of the 12 th World Conference on Titanium

4. Properties

Properties and Applications of Titanium Alloys in Transport 837

Manfred Wollmann, Jiirgen Kiese, Lothar Wagner

Effect of Si-Addition as a Grain Refiner on Microstructure and Properties of Ti-6A1-4V Alloy 845

Mohamed Abdelkaivy , Khaled Ibrahim, Ahdel hamied Hussein , M. Mhead, L. Wagner

Phase Constitution and Heat Treatment Behavior of Ti-Mn and Ti-Mn-Al Alloys 850

M. Ikeda, M. Ueda, T. Kinoshita, M. Ogavua, M. Niinomi

Fatigue Investigations and Numerical Modeling of Forged Ti6Al4V in Different Microstructural Conditions 853

HelgeKnobbe, Philipp Koster, Hans-Jiirgen Christ, Claus-Peter Fritzen , Martin Riedler

Effect of Nitride Coatings on the Wear and Fatigue Behavior of Titanium Alloy Ti-6A1-4V 858

Contentsxix •

Ronny Steinert, Janny Lindemann , Christoph LeyensAdvances in Low Temperature (<C0. 25Tm) Creep Deformation Mechanisms of a,a+(3,and (3 Titanium Alloys

862

Zane W. Wyatt, Sreeramamurthy Ankem

Composite Modelling of a Two-phase Titanium Alloy 867

J ikang Zhong , MatthevuS. Dargusch, Chris Davies

TiPt Base High Temperature Shape Memory Alloys 870

Y. Yamabe-Mitarai, T. Hara, T. Kitashima, S. Miura, H. Hosoda

A Quantitative Approach of Dislocation Mobility in Ti64 and [3-metastable Ti-alloys Using TEM in Situ

Experiment 875

F. PettinarirSturmel, N. Escale, J. Douin, P. Castany, A. CoujouHow Texture and Microtexture Influence Dwell Fatigue Lifetime in Forged IMI834 Titanium Alloys 879

N. Gey, P. Bocher, E. Uta, M. Humbert, J. GilgertAdvanced Titanium Alloys Containing Micrometer-size Particles 883

Carsten Siemers , Florian Brunke,Marianne Stache

, Judith Laukart, Badya Zahra, Joachim Rosier,

Paivel Rokicki , Karel Saksl

Damping Capacity and Surface Hardness of Plasma Nitrided Ti-15Nb Alloy 888

Yoshikazu Mantani, Sachio Nagata ,Kazuhiro Nakata

Ductility and High Cycle Fatigue Behavior of Boron-Modified Orthorhombic Titanium Alloys 892

M. Hagivuara, T. Kitaura, Y. Ono, T. Yuri, T. OgataDeformation Mechanisms and Fatigue Crack Initiation in [3 Titanium Alloys in Relation with Microstructure 896

Timothee Duval, Patrick Villechaise , Sandra Andrieu

Effects of Severe Plastic Deformation on Grain Refinements and Fatigue Performance of the Metastable

Beta-Titanium Alloy TIMETAL LCB 901

Jamal Atoura , Jana Smilauerova,Lothar Wagner

Experimental Evidence of Dislocation Slip in "Gum Metal"-type (3 titanium Alloy 905

Philippe Castany , Magali Besse, Thierry Gloriant

Miroscale Deformation in a Two-phase Ti-alloy Studied Using Strain Mapping Techniques 909

Rebecca Sandala , Joao Quinta da Fonseca,Michael Preuss

, David Rugg , Kate Fox

Cyclic Deformation Response of Ti-5Al-5V-5Mo-3Cr (Ti-5553) Alloy under the Solutionized-Aged Condition

914

Jun Huang, Zhirui Wang, Kemin Xue

Strain Localization and Planar-slip Behavior in Compressive Cyclic Deformation of the Beta-annealed

Ti-5Al-5V-5Mo-3Cr Alloy 919

Jun Huang , Zhirui Wang , Jie Zhou

Phase Morphologies and Mechanical Properties during Heat Treatment of a Hot-forged near-(3 Titanium Alloy

924

L. C. Zhang, Y. Yang, H. B. Lu, A. A. Suvorova, P. Ge, T. B. Sercombe

Effects of Microstructure on Deformation and Fracture Behavior of Titanium Alloys 928

Lei Wang , Teng Yu, Yong-qing Zhao , Yang Liu

Effect of Deformation Temperature on Microstructures and Mechanical Properties of TC4-DT Titanium Alloy

932

Xiaona Peng , Hongzhen Guo, Zhifeng Shi, Tao Wang

Analysis of the Tension and Creep Behavior of Ti-5Al-2. 5Sn(wt. %) Using In-Situ SEM Experiments 937

Hongmei Li, Carl J. Boehlert, Thomas R. Bieler, Martin A. CrimpThermal Oxidized Layer Breakdown Effect on SCC Behavior in An a Titanium Alloy 942

Alireza Ebrahimi,Ali Khodadoust

Mechanism of Mottle Pattern in Commercially Pure Titanium Round Bar 946

Tetsuya Sakamoto,Shuhei Funamoto

Ti6Al4V Anisotropy and Texture Evolution Predictions Using Multisite and Self Consistent Crystal PlasticityModels 950

Walid Hammami, Wim Tirry, Frederick Coghe, Laurent Duchene, Laurent Delannay, Anne Marie Habraken

The Residual Stress Varying of Shot Peened TC4-DT Titanium Alloy 954

Xiaonan Mao, Guanjun Yang, Lanlan Yu

Influence of Heating Temperature of Hot Rolling on In-Plane Anisotropy of Ti-4. 5Al-2Mo-l. 6V-0. 5Fe-0. 3Si-

• xx • Proceedings of the 12th World Conference on Titanium

0. 03C959

Takashi KONNO, Yoshio ITSUMI, Koichiro TADA, Takeshi KUDO, AkiralSOE, HidetoOYAMA

Quantification of Microstructural Features and Application of Artificial Neural Network in Correlation of

Microstructure and Property of Ti-Alloys 964

Yongqing Zhao , Weidong Zeng ,Yu Sun

Mechanical Anisotropy of Ti-6A1-4V Alloy with a' martensite Microstructure 968

Hiroaki MATSUMOTO, Hiroshi YONEDA, Bin LIU, Yunping LI, AkihikoCHIBA

Influence of Mechanical Surface Treatments on Notched Fatigue of Various Titanium Alloys 972

M. Wollmann, M. Mhaede, J. Atoura, L. Wagner

Effect of Microstructure on Mechanical Properties in Pure Titanium Containing Small Amount of Iron 976

H. Seto, Y. Shirai, T. Maeda

Influence of Alloy Elements on Machinability, Weldability and Hot Deformation Resistance in Alpha-beta

Titanium Alloys Containing Cr,Fe and C 980

Shogo Murakami ,Masahiro Nomura ,

Kudo Takeshi, Shinya Ishigai, Akira Isoe

Effects of Thermo-mechanical Treatments on Microstructures and Mechanical Properties:TIMETAL-54M

vs. Ti-6A1~4V984

Shan Yang ,Zhaohui Wu , Khaung Zay , Yoji Kosaka

,Lothar Wagner

Fatigue Properties of a New High Strength and High Toughness Titanium Alloy 989

Jianyun Shen , Yuqin Liu ,Bo Wang , Qiang Yue

,Xizhe Wang , Dingchun Wang

Investigation of Faceted Crack Initiation and Propagation in Near-alpha Titanium Alloys 993

AdamL. Pilchak, MattC. Brandes, Robert E. A. Williams, James C. Williams

Creation of High Strength and High Ductility Titanium Materials by Harmonic Microstructure Control 998

Tatsuya Sekiguchi , Sahrina N. B. R, Ryota Imao,Hiroshi Fujizvara ,

Kei Ameyama ,Zihua Zhao ,

Akira Ueno

Steady State Creep of Ti-600 Alloy at Elevated Temperature 1002

Zeng Liying ,Zhao Yongqing ,

Lu Yafeng , Hong Quan

The Influence of Microstructure and Microtexture on Fatigue crack Initiation and Growth in a+(3 titanium 1006

AdamL. Pilchak, Kazuo Nakase,Ikuhiro Inagaki, Yoshihisa Shirai, Andrew H. Rosenherger,

James C. Williams

Flow Behavior of Commercial Pure Titanium Considering Interstitial Elements 1011

Jong Woo Won , Chan Hee Park, Dong Geun Lee

, Yong Tae Lee , Chong Soo Lee

Effect of Two Heat Treatments on Thermal Stability and Creep Property of a Highly (3 Stabilized Titanium

Alloy1016

Xin Shevuei ,Zhao Yongqing ,

Li Qian , Wu Huan, Yang Haiying

Effect of Trace B Addition on Hot Workability and High-Cycle Fatigue Property of Ti-6A1-4V Alloy 1021

T. Kitaura, M. Hagivuara, O. Kano, Y. Ono, T. Yuri, T. Ogata

Texture of Pure Titanium Formed by Cold-Rolling and Its Influence on Mechanical and Fatigue Properties 1025

Mamoru SHIMAMURA, Tatsuro MORITA ,Takashi MAEDA ,

HidetoSETO, Satoshi MATSUMOTO

Fatigue Behaviors of Commercially Pure Titanium with Harmonic Microstructure 1030

Zihua Zhao, Tatsuya Sekiguchi, Sahrina N. B. Ramleh, Hiroshi Fujivuara ,

Akira Ueno , Kei Ameyama

Ductility Improvement in High Strength Ti-Mo Alloys by Transition of Deformation Mode 1034

Xiaohua Min ,Satoshi Emura ,

Seiichiro li,Koichi Tsuchiya ,

Kaneaki Tsuzaki

Effect of Heat Treatment on Microstructure and Mechanical Properties of Ti-6A1-4V ELI Alloy Plate 1038

Lei Wenguang, Mao Xiaonan ,Yu Lanlan ,

Lin Hai

Mechanical Property Study of Ti-45Nb Alloy Wires Used in Fastener 1042

SHANG Guo-qiang ,ZHU Zhi-shou , KOU Hong-chao ,

WANG Xin-nan ,TANG Bin , LI Jin-shan ,

CHANG Hui

Study of Deformation Mechanisms in an cr[3 annealed Ti-6A1-4V Titanium Alloy on Charpy Specimens 1045

Christophe Buirette ,Julitte Huez ,Nathalie Gey ,

Eric Andrieu ,Gael Khelifati, Jerome Delfosse

Characteristic Tensile Deformation Behaviors in Ti-5Al-2Fe-3Mo 1049

Tomonori KUNIEDA, Kazuhiro TAKAHASHI, Kenichi MORI, Hideki FUJII

Study on Precipitates Behavior During Heat Treatment in Ti-B19 Titanium Alloy 1054

Luo Yuanyuan, Zeng Weidong, Zhao Yongqing, Lu Yafeng, Xi Zhengping

Effect of Processing Parameters on Microstructure and Mechanical Properties of CT20 Alloy Tube 1058

DU Yu, WANG ZhiYun, LIU Wei, GUO Dizi, QI Yunlian ,LU Yafeng

Contents • xxi •

Grain Boundary Strain Transfer and Anisotropic Polycrystalline Deformation in Commercial Purity Titanium

1061

Martin A. Crimp, Yiyi Yang, LeyunWang , Philip Eisenlohr, Thomas R. Bieler

The Effect of Different Solution Treatment on Ti50 Ni24.9 Cu25 Y0. i Alloy 1066

Hou Zhimin , Zhao Yongqing, Luo Yuanyuan, Li Qian ,Wu Huan

Quantitative Study on Relationships between Mechanical Properties and Characteristics of Primary a Phase

for a Solution-treated Near-{3 Titanium Alloy 1071

Y. Yang, B. F. Jia, P. Ge, L.C. Zhang, W. Zhou, L. FengThe Effects of Bimodal Microstructure Characteristics on Susceptibility to Adiabatic Shear Bands of Modified

Ti-6A1-4V Alloys 1074

Dongmei Huo,Shukui Li, Qunbo Fan, J ianchong Li

Effect of Heat treatment on Microstructure and Properties of Ti-3Al-2. 5V Titanium Alloy Tubes 1079

Jinhui Xi, Chao Deng , Dengchao Luo ,Yashe Yang , Li Nan , Henglei Qu , Jianchao Yang

Elements of Nb Content and Sn and Zr Additions on the Young's Modulus of Ti-Nb-(5Sn)-(5Zr) Alloys byMeans of Diffusion Couple and Nanoindentation 1083

S.Y. Sun, Y.L. Hao, S.J. Li

Trial Manufacturing and Characterization of Tungsten Fiber Reinforced Titanium Composite 1085

Ryoji Hirai, Masayuki Nishida,Masashi Haneoka

In-situ Thermal Stress Measurement of Tungsten Fiber Reinforced Titanium Composite by X-ray Diffraction

1090

Masayuki Nishida , Masashi Haneoka, Ryoji Hirai, Tatsuya Matsue, Takao Hanabusa

X-ray Stress Measurement of Tungsten Fiber Reinforced Titanium Composite Produced by Spot Welding 1095

Masashi Haneoka, Masayuki Nishida , Ryoji Hirai

Analysis of Heterogeneous Deformation Behavior by Full Constraints Model in Alpha-titanium Alloy 1100

Motoaki Morita, Osama Umezawa

Effect of Heat Treatment on Fracture Toughness Properties of TC4-DT Alloy 1104

Hongchuan Ye,Xuehua Zhang, Henglei Qu, Hui Li, Fuguo Li

Effects of Re-heat Treatment on Microstructure and Mechanical Property of TC4-DT Titanium Alloy Plates

1107

XIEYingjie, QU Henglei, YANG J ianchao, ZHANG Qing, LVLiqing, WANG XingEffect of Omega Phase on Shape Memory Properties of Ti-base Alloys 1110

Hee Young Kim , Yazan Al-Zain , Tomonari Inamura , Hideki Hosoda , Shuichi MiyazakiThe Important Technology Parameters of Elbow Made by Diameter-expanding and Pushing-bend Method 1114

Chen Jun , Yang Haiying ,Duan Wensen

Flow Stress Behavior and Microstructural Evolution of Cast TA24 Titanium Alloy During Hot Deformation 1119

Su Hangbiao , Yang Yingli ,Guo Dizi

,Wu Jinping ,

Zhao Hengzhang ,Zhao Bin

, Luo Yuanyuan

Measurement of Plastic Zone at Fatigue Crack Tip by Microhardness and Nanoindentation Technique 1124

Liu Cuiyun , Yang Han , Wen Shizhen,Ma Chaoli, Li Huanxi

The Preparation and Properties of Dissimilar Joints between Ti-6Ta and 304L Stainless Steel 1128

WU Jin-ping, YANG Ying-lin , SU Hang-biao , Guo Di-zi, Zhao Heng-zhang, Zhao Bin

Deformation Behaviour of Surface Treated Two-phase Titanium Alloy in Bending 1132

Waldemar Ziaja , Jan Sieniaivski, Maciej Ossovuski , Krzysztof Kubiak

High Cycle Fatigue Strength of Hydrostatically Extruded Nanocrystalline CP Titanium 1137

Halina Garbacz, Maciej Motyka ,Waldemar Ziaja , Malgorzata Levuandovuska , Jan Sieniaivski,

Krzysztof Topolski

Properties of Ti-5Al-4Mo-4V-4Cr-3Zr Titanium Alloy Bar 1141

GE Peng, ZHOU Wei, ZHAO Yong-qing, Wu Huan

Analysis of Double Shear Strength in (32IS Titanium Alloy 1145

Zhongbo Zhou, Lijun Zhang, Yi Chen , Hongchao Kou , Jinshan Li, Hui Chang, Lian Zhou

Comparative Study,in Pure Titanium Sheet,of the Microstructural Evolution Induced by Incremental Forming

Process and Plane Strain Tensile Tests 1148

Yannick BALCAEN, Vanessa VIDAL,Vincent VELAY, Laurent ROBERT, Philippe LOURS,

Florence PETTINARI-STURMEL, Joel DOUIN

Crystal Plasticity and Quasi-Cleavage Facet Formation During Fatigue Loading 1152

Martin R. Bache, Cameron Pleydell-Pearce , Rengen Ding, Ian. P. Jones

XXI1 • Proceedings of the 12lh World Conference on Titanium

Fatigue life Variations Due to Microstructure in Ti 6A1 4V 1156

Cameron PleydelL-Pearce ,Mark T. Whittaker, Martin R. Bache

Effect of Oxygen Content on the Properties of Commercial Pure Titanium Tubes 1161

Yang Yingli, Guo Dizi, Zhao Hengzhang, Su Hangbiao , Luo Yuanyuan ,Lu Yafeng

Deformation and Crack Propagation in Til53 Alloy 1165

Jing Chen , Xinxin Liu ,Lixi Tian , Chaoli Ma

Failure Behaviour and Energy Adsorption in Gum Metal (Ti-36Nb-2Ta-3Zr-0) 1169

Nicholas G. Jones, Russell J. Tailing, Trevor C. Lindley, David Dye

Effects of Cold-rolling Reduction and Annealing Condition on Plane Anisotropy of Mechanical Properties of

a+(3 Type Titanium Alloy Sheets 1174

Akira Kawakami, Tomonori Kunieda , Kazuhiro Takahashi, Hideki Fujii

Evaluation of Wear Properties of Ti/SiC Nano-composite Surface Layer Fabricated Using Friction Stir

Processing1179

Ali Shamsipur, Seyed Farshid Kashani-Bozorg ,Abbas Zarei-Hanzaki

Structural Relaxation of Ti-based Bulk Metallic Glasses 1183

J.N. Mei, J.L. Soubeyroux, J.J. Blandin

The Effect of Oxygen on Mechanical Properties and Deformation Modes of Ti-2Al-xO Alloys at Different

Temperatures1187

Qiaoyan Sun , Yanling Xu ,Lin Xiao Jun Sun

, Peng Ge

Influence of Microstructure on Tensile properties of (3-metastable Ti 17 Alloy 1191

Elisabeth Aeby-Gautier, Benoit Denand , Julien Teixeira,Moukrane Dehmas

,Benoit Appolaire ,

Amico Settefrati

Effects of Combined Process on Mechanical Properties of TB2 Titanium Alloy Bars 1196

Guocai Chen , Lei Chao ,Su Chen

, Wenjia Yang , Wenqi Zhang , Jun Zhao

Effect of Rolling Process on High Cycle Fatigue Property of Ti-6A1-4V Sheet 1199

WANG Juanhua, CHEN Yonghui, WANG Hongzvu, LIUPingping, WANG Wenjun

Influence of Loading Manner on Fatigue and Dwell-fatigue Behaviour of Ti6242 1202

Jianke Qiu , Yingjie Ma ,Haibin Ji , Jiafeng Lei, Yuyin Liu , Rui Yang

Aging Response and Properties of Ti-7333 Titanium Alloy 1206

Hongchao Kou , Minjie Lai, Bin Tang ,Zhishou Zhu, Hui Chang , Jinshan Li, Lian Zhou

Influence of Heat-treatment on Microstructure and Mechanical Properties of Ti-6A1-4V ELI Plate 1209

WANG Xin , LEI Jiafeng ,MA Yingjie ,L I Xiaoyani ,WANG Jian ,WANG Hongxuu

Structure and Electrochemical Hydrogen Storage Properties of Ti2Ni Alloys 1212

Xiangyu Zhao, Liqun Ma , Xiaodong Shen

The Influence of Loading Directions on the Failure of the Bicrystal in crTi with Grain-boundary Penetrating

Dislocations1219

H. Wang, D. S. Xu, R. Yang, D. Rugg, A. J. Huang

Effect of Aging Temperature on Microstructure and Mechanical Behavior of Aged Ti-10V-2Fe-3Al Alloy with

Prestrain1223

Wei Chen, Qiaoyan Sun ,

Lin Xiao , Jun Sun

Creep Behavior of High Temperature Titanium Alloys at Low Stress-High Temperature Regime 1227

PhaniP. Gudipati, Yoji Kosaka

Deformation Features at Rolling and Tension under Current in Ti-based Alloys 1231

Vladimir V. Stolyarov

Study on High Cycle Fatigue Behavior and Fracture Surface of TA15 Alloy 1234

Yunjin LAI, Fengshou ZHANG, Yanrong HOU, Xianghong LIU, Yong FENG, Jinshan LI,

Pingxiang ZHANG

Influence of Al Equivalent on Mechanical Properties of Ti6Al4V ELI 1237

Xiaomiao CHEN, Wensheng WANG, Xiaoyun SHI, Jie XU,Wenzhong LUO, Yi FENG, Baoquan FU,

JianchaoDU, Xianghong Liu , Yong Feng

Effect of Non-metallic Elements Si,C and O on Mechanical Properties of High Temperature Titanium Alloys

1240

Tao HE, Wenzhong LUO, J inwen LEI, Yi FENG, JianchaoDU, Baoquan FU, Yuxuan DU, Wenge MA

Effect of Heat Treatment on Properties of TG6 Titanium Alloy 1244

Wenzhong LUO, Jinwen LEI, jianming CAI, Tao HE, Jianchao DU, Xu HUANG, Baoquan FU,

Contents xxui •

WengeMA, Xianghong LIU, Yong FENG, Pingxiang ZHANG

Effect of Hot-rolling on Microstructure and Mechanical Property of BT14 Alloy 1247

Weidong WANG, Jing ZHU, Jinjin SHANG, Xiaogang ZHU, BaoquanFU, JianchaoDU

Effect of Heat Treatment Process on Structure and Property of Ti55531 1249

Yushe GAO, Xiaogang ZHU, Xiaoyuan ZHANG ,Tao HE ,Gaofeng YU, Xiaodong TANG, Yuxuan DU,

Xianghong LIU, Yong FENG, Pingxiang ZHANG

Effect of Heat Treating Regime on Mechanical Property and Microstructure of BT18Y Titanium Alloy 1252

Xiaoyun SHI, Jianchao DU, Yunjin LAI, Youchuan MAO, Xiaodong TANG, Yuxuan DU

Effects of Heat Treatment on Microstructures and Properties of TA15 Alloy 1255

Yu WANG, Yunjin LAI, Kaixuan WANG, Yuxuan DU, Xiaodong TANG, Fengshou ZHANG

The Effect of Heat Treatment Process on Microstructure and Mechanical Property of Large-sized TCI8

Titanium Alloy Bar 1258

Shaoqiang LI, Xiaogang ZHU, Yushe GAO, JinwenLEI, HuWANG, Xiaodong TANG,

Fengshou ZHANG, Xianghong LIU, Yong FENG, Pingxiang ZHANG

The Microstructures and Mechanical Properties of TB3 Alloy 1261

Fengqi HOU, Yanli ZHU, Shujin LIANG, PengZHANG

Machinability of TIMETAL® 54M Evaluated by Milling 1264

Stacey Sharp Nyakana, Yoji Kosaka ,Vasisht Venkatesh , John Fanning

Effect of Microstructure on the Properties of a Near-a High-Temperature Titanium Alloy 1269

Guo Ping ,Zhao Yongqing , Hong Quan ,

Xin Shevuei, Liu Wei, Zeng Weidong

Modelling Materials Properties critical to Simulation of Thermomechanical Processing in Titanium Alloys 1272

Zhanli Guo, N. Saunders, A. P. Miodoumik, J. -Ph. Schille

On the Relation between Microstructure,Texture and Tensile Deformation Behavior of Ti3Al2. 5V Alloy at

Room Temperature 1277

Nicolas Bayona-Carrillo , Nathalie Bozzolo , Christophe Schuman , Jean-Jacques Fundenberger,

Francis Wagner

The Role of Microtexture on Fatigue Lifetime Variability and Crack Initiation Mechanisms 1281

Christopher J. Szczepanski, S. Lee Semiatin, James M. Larsen

Crack Orientation Dependence of Fatigue in Titanium Single Crystals 1285

ShinjiANDO, MasayukiTSUSHIDA, Hiromoto KITAHARA

Experimental Study of the Deformation Mechanisms in Textured Alpha-titanium Alloy Sheets 1290

Vanessa VIDAL, Yannick BALCAEN, Florence PETTINARI-STURMEL, Joel DOUIN,

Philippe LOURS, Vincent VELAY, Laurent ROBERT

The Role of Gd Addition in the Microstructure and Mechanical Property of Directionally Solidified

Ti46AlO. 5W0. 5Si Alloys 1294

R. Chen, J. Yang, H. Ding, J. Guo, H. Fu

Effect of Surfactant on Surface Morphology and Wear Resistance of a Micro Arc Oxidized Cp-Ti 1299

Isa Metin OZKARA, Murat BAYDOGAN

Primary crPhase VST5553 Alloy with Lamellar Structure Properties Effect 1303

M.S. Kalienko, A.V. Volkov, V. A. Kropotov, M. A. Konovalov, V. A. Dukhtanov

Short Fatigue Crack Initiation and Propagation in Ti-6A1-4V with Short-bar and Lamellar Microstructures

1312

Yingjie Ma , Jiafeng Lei, Jianrong Liu , Yuyin Liu ,Rui Yang

Effect of Mo Content on Creep Behavior of a Near-alpha Titanium Alloy Ti-5. 8A1-4. 0 Sn- 3. 5Zr-0. 4Mo-

0. 4Si-0. 4Nb-0. 4Ta-0. 05C 1317

S. X. Zhu, J. R. Liu, Q. J. Wang

EBSD Orientation Analysis of Secondary Cracks in Fatigued Ti-60 Specimens 1321

Lina Yang , Jianrong Liu , Zhiyong Chen , Qingjiang Wang , Rui Yang

Effects of Heat Treatment on Transformation and Shape Memory Behavior of Ti-49. 8Ni Cold-drawn Wire

1325

Wang Jian ,Chen Dai-song , Zhang Hui-ho

, Jin Wei, Liu Yu-yin

Structural Stability and Stacking Fault Energies in (3 Ti-Nb Alloys; An Ah Initio Study 1328

J. Huang, J. Sun, Y. F. Wen, H. XingInfluence of Oxygen Content on the Hardness of Ti-23Nb-0. 7Ta-2Zr-0 Alloy 1332

Y. Yang, G.P. Li, S. Q. Wu, Y.L. Li, K. Yang

XXIV • Proceedings of the 12th World Conference on Titanium

Effects of Hot-rolling Process on the Microstructure and Mechanical Properties of Ti-4. 5Al3Mo-lV AlloyPlates 1335

Zhang Hailong, Li changfu

Surface Layer Properties and Fatigue Behavior in Ti-6A1-4V: Comparing Results after Laser Shock Peening,Shot Peening and Ball-Burnishing 1338

Mansour Mhaede , Yuji Sano , Igor Altenberger, Lothar Wagner

Damage-tolerance Property of TA15 alloy 1342

Heshulin, Mayingjie, Wangdingchun

Research for Thermal Stability of Ti-6. 5A1-3. 5Mo-0. 2Si 1345

TAO Hailin,LI Geping , ZHANG Peng , CHEN Zhanqian, WEI Shouyong

Fabrication and Characterization of Porous Ti by Powder Metallurgy 1349

Guangzhong Li, Huiping Tang , Changshu Xiang , Xinting Kang, Wenyan Zhang , Gang Li

Studies and Researches on TiN Coating of Cutting Plates by Chemical Vapor Deposition Method at High

Temperatures 1352

Ilie Butnariu,Ioana Butnariu

,Dana Butnariu

5. Intermetallics & MMCs

Development of High Temperature TiAl Alloys 1357

J. P. Lin, F. Yang, X. F. Ding, L. L. Zhao, G. L. Chen, Y. H. He

Investigation of Inert Refractory systems for Investment Cast TiAl Alloys 1363

X. Cheng, C. Yuan , P. Withey , N. R. Green

Microstructures of directionally solidified Ti-45Al-6Nb-0. 3B alloys 1368

Xianfei Ding, Haoliang Wang , J ianpin He , Junpin Lin , Laiqi Zhang , Guoliang Chen

Isothermal Low-cycle and Thermo-mechanical Fatigue of a High-strength Multiphase Titanium Aluminide Alloy

1374

Ali EL-Chaikh,Thomas K. Heckel, Hans- J. Christ, Fritz Appel

Microstructure Evolution of Rapidly Solidified TiAl Alloys with Various Nb Contents 1379

Lihua Chai, Yuyo?ig Chen, J unpin Lin

Opportunities of Increase of Mechanical Properties of the Deformed Semifinished Products from Ti-Al-Nb

System Alloys 1383

Nadezda Nochovtiaya . Alexandra Izotova, Evgeniy Alexeev, Viktor Ivanov

Problems of Formation of Fine-grained Structure in Castings from Ti-Al System Alloys (y-Alloys) 1387

Nadezda Nochovnaya . Alexey Kochetkov, KostyaBokov, Svetlana Yakimova

Designed Experiments for Optimized Mechanical Properties in Cast and PM TiAl-based Alloys 1390

Marc Thomas. Olivier Berteaux . Jean-Louis Raviart

Influence of Ti/Al Ratio and Al Powder Size on Pore Features of PM Titanium Aluminide Porous Material

1394

Li Daren , Cai Yixiang , Fu J ingyi

Sintering of gamma Titanium Aluminide (TiAl) Alloys Aided by Small Additions of Copper 1398

Y. Xia, G. B. Schaffer, M. Qian

Characterisation of a Ductile Ti-3Al-2. 5V/TiBp Composite Produced via Mechanical Alloying 1402

ROPARS Ludovic , SILK Jonathan , BASS Nigel, BIZE Tanguy , GOURDET SophieCarbides in Ti-45Al-5Nb Alloys with Different Carbon Contents 1407

Heike Gahrisch , Andreas Stark , Frank-Peter Schimansky , Li Wang, Norhert Schell, Florian Pyczak

Effect of Nb Content on Phase Evolutions and Microstructure of TiAl/Al2 03 Nano-composite Prepared by

Mechano-thermal Processing 1411

Saeed Heshmati-Manesh, Somaye Alamolhoda , Abolghasem Ataie

The Influence of Cooling Rate and Alloy Composition on the Formation of Borides during Solidification of

Boron-containing TiAl Alloys 1416

Chao Yang, Daivei Hu , Xinhua Wu, Aijun Huang, Mark Dixon

The Effect of Molybdenum on the Phase Transformation Behavior of (3/y-TiAl alloys 1421

Svea Mayer, Christian Sailer, Thomas Schmoelzer, Janny Lindemann, Thomas Lippmann ,

Masao Takeyama , Peter Staron , Helmut Clemens

The Transformation Mechanism of Beta Phase to Omega-related Phases in Nb-rich Gamma-TiAl Alloys Studied

by in-situ High-energy X-ray Diffraction 1425

Contents • xxv •

Andreas Stark,Michael Oehring, FLorian Pyczak ,

Thomas Lippmann, Lars Lottermoser, Andreas Schreyer

Shear Localization and Cracking during Hot-working of Gamma-Based Titanium Aluminides 1429

Ulrich Froebel

Fatigue Behaviour of Advanced 7 TiAl Alloys Subjected to Small Particle Impacts 1433

MartinR. Bache, Mark Dixon, Wayne E. Voice

The Influence of Thermomechanical Processing on the Microstructure of Particulate Reinforced Titanium

Metal Matrix Composites 1437

Jean-Baptiste Fruhauf, Sebastien Saunier, Christophe Desrayaud ,Frank Montheillet

Effect of Reinforcement Size and Distribution on Tensile and Wear Properties of Titanium Matrix Composites

by Horizontal-type Centrifugal Casting 1442

Bong-Jae Choi, SeuL Lee, Young-Jig Kim

Microstructure and Properties of Microstructurally Refined Cast Ti46A18Nb and Ti46A18Ta 1447

Michael H Loretto , Zhixvei Wu , Ming Q Chu , Dawei Hu , Holger Saage

Strengthening Mechanism of Ti3 Al/(a+(3)Ti Dual Alloy's Joining Interface 1451

Yao Zekun, Zhao Zhanglong, Guo Hongzhen, Cao Jingxia , Zhang Jianwei

Characterization of microstructure and texture of a cold-rolled high Nb containing TiAl Alloy 1454

Wang Xing ,Lin Junpin , Yang Jianchao , Qu Henlei, Xaie Yingjie , Wang Ruining

Fabrication of Tiz AlC/Ti-44Al-6Nb-0. 3Y Composite by Spark Plasma Sintering 1457

Fei Yang, Yixiang Cai, Yuyong Chen,Fantao Kong

Rapid Solidification of Ti-Al Alloys under Electromagnetic Levitation Condition 1460

K. Zhou, H. P. Wang, J. Chang, B. Wei

Hot Workability of Orthorhombic Ti-22Al-llNb-2Mo-lFe Alloy 1463

Yong Mao , Masuo Hagivuara

Flow Behavior and Microstructure Evolution of Ti-46Al-6(Cr,Nb,Si,B) Alloy During Hot Compression •• 1467

Shi Puying ,Li Zhenxi

,Cao Chunxiao

Application of Zirconia Ceramic Moulds for Investment Casting of TiAl Alloys 1471

Yuyong Chen, Yanfei Chen, Shulong Xiao, Jing Tian , Lijuan Xu

The Phase Transformation and Microstructure Evolution during Heating of Ti2 AlNb-based Alloys 1475

Wei Dang, Jin-shan Li, Tie-bang Zhang, Hong Zhong, Xiang-yi Xue, Rut Hu

Influence of Oxygen on the Solidification Behavior of High-Nb TiAl Alloys 1478

Y.L. Yang, J.S. Li, H. Zhong, T.B. Zhang, H.C. Kou, R. Hu, H. Chang

Fabrication of Continuous SiC Fiber Reinforced Ti-Al Intermetallic Composites using Elemental Foils 1481

Tingting Wang, Yangbo Sun, Haoyan Diao

,Di Zhang, Fengmei Ma ,

Chaoli Ma

Hot Deformation Behavior of a (3-solidified TiAl Alloy 1486

Zhihai Deng , JinshanLi, Tiebang Zhang , Hong Zhong, RuiHu, Hui Chang

Phase Transition in Directionally Solidified TiAl-based Alloys Containing Nb and Mo 1491

Hong Zhong , Kun Bai, Jin Wang , Tiebang Zhang , Hongchao Kou , Shuangming Li , Jinshan Li

Interfacial Reaction and Microstructure Evolution of the Matrix in Mo-coated SiC Fiber Reinforced Ti6A14V

Composite 1494

X. Luo, Y.Q. Yang, Q. Sun, Y.J. Yu, G.M. Zhao, W. ZhangResearch on High-temperature Creep Properties of TP-650 Titanium Matrix Composites 1499

Deng Chao , Mao Xiaonan , Qu Henglei, Li Mingli, Yang Jianchao

Study on Explosive Welding Effect of Large Area Titanium/Steel Clad Plates on Different Dynamite

Arrangement 1502

Zhang Hangyong ,Liu Runsheng ,

Guan Shangzhe , Pang Lei, Che Longquan ,Fu Guanghui ,Li Yindi

Formation Process of Ti-Al Intermetallics during Solid-Liquid Reaction between Titanium and Aluminum Foils

1506

Yanbo Sun, Tingting Wang ,

Di Zhang , Yeqing Zhao ,Shasha Zhao ,

Chaoli Ma

Compressive Properties of High Nb-TiAl Porous Materials Fabricated by Element Powder Metallurgy 1511

Fan Yang , Junpin Lin ,Yuehui He

, Guoliang Chen

Precipitation Process of The New Intermetallic yx Phase in Ti-Al-Nb Ternary System 1515

YiFan Hu, Xiaojiao Zhang , Junpin Lin, Guoliang Chen

On the Site Ordering Behaviors of Elements in Ti3 Al and Ti2 AlNb-based Intermetallics by using Sublattice

Model Supported with ab initio calculations 1519

Bo Wu, Tuo Chen , Zhenhuan Zheng, Guoxin Ye, Likun Zhang, Chaohui Zhang, Gang Wu, Hailong Liu,

XXVI • Proceedings of the 12th World Conference on Titanium

Chaoran Huang ,Min Wang , Maohua Lin, Qiang Li, Yanqun Shao , Cheng Wang

Microstructure and Mechanical Properties of TiB and Ti-6A1-4V Composites by Powder-metallurgy 1523

Yongren Liang, Qingvuen Duan ,Tuanwei Yang, Yinjiang Wu

Nucleation of Crystallization in Titanium and Vitreous State in Glass-forming Melt 1527

Robert F. Tournier

Preparation and Characterization of High Titanium Ferrous with Low Oxygen Content by Enhanced Reduction-

SHS 1532

Dou Zhihe, Zhang Ting-an , Zhang Hanbo

, Zhang Zhiqi ,Niu Liping ,Yao Yonglin, He Jicheng

Effects of the Surface Fine-grain Layer on the Mechanical Properties of Cast TiAl 1538

Chunlei Zhu,Chen Luo

, Sheng Li, Ji Zhang

Room and Elevated Temperature Tensile Properties of SiCf/TC17 Composite 1545

Xu ZHANG, Qing YANG, Yu-min WANG, Jia-fengLEI, RuiYANG

FEM Simulation of Hot Compression of TiAl on Gleeble Simulator 1549

D.J. Yu, C.Y. Teng, D. S. Xu, C.G. Bai, G.Z. Wei, R. YangInfluence of Extrusion Temperature on Microstructure of Ti-47Al-2Cr-2Nb-0. 15B 1553

Renci Liu, Dong Liu, Yuyou Cui, Rui Yang

Manufacturing of y-TiAl Sheet by Hot Packed Rolling of Powder Metallurgy Preform 1558

Lei Xu, Chunguang Bai, Gang Wang, Dejun Yu , Dongsheng Xu , Yuyou Cui, Rui YangMolecular Dynamics Simulation of the Tensile Deformation of <C11C» Tilt Grain Boundaries in Gamma TiAl

1563

W. J. Zhao, D. S. Xu, H. Wang, R. Yang

Synthesis of Ti2AlN Cermet Strengthened by A1203 1567

Zhuo Zheng, Gang Wang , Yuyou Cui, Rui Yang

Microstructure Refinement and Improvement of Mechanical Properties of as-cast TiAl Based Intermetallics

with Yttrium and Boron Addition 1571

Yang Xin, Xi Zhengping, LiuYong, Tang Huiping, JiaWenpeng, HeWevwei, Liu HaiyanEffects of Mo Addition on the Microstructure and Mechanical Properties of Ti45Al5NbO. 3Y Alloy 1575

Hao Zhang, Debin Shan, Wenchen Xu

Study on Production of Pre-alloyed Powders and Powder Metallurgy Processing of A Gamma Titanium

Aluminide 1579

Lang Zebao, Zhang Xuhu , Shi Jinliang , Wang Liang , Jia Wenjun

6. Component Manufacturing

Development of Welding Technologies in Titanium Component Manufacturing 1585

Boris E. Raton, SergiiV. Akhonin, Vatery P. Prilutsky

Comparison of Different Routes for Production of CP-Ti Powder Compacts used as Preform for Forging of

Con-rod 1592

Rimma Lapovok , Ma Qian , Colleen Bettles

Free-machining Titanium Alloys Based on Ti 15V 3A1 3Cr 3Sn 1597

Badya Zahra , Francesco Depentori ,Carsten Siemers, Joachim Rosier

Infrared Brazing Ti5oNi5o and Ti-15-3 Alloys Using Two Ag-based Fillers 1602

T. E. Yang , R. K. Shiue, S. K. Wu

High Performance Machining of Ti-834: Mechanisms of Microstructural Damage 1607

Pete Craw'forth , Meurig Thomas, Brad Wynne, Sam Turner, Martin Jackson

Diffusion Bonding of Ti6Al4V using Encapsulation-free Hot Isostatic Pressing 1612

Z. Wu, J. Mei, W Voice , Steve Beech, X Wu

Friction Stir Welding of Titanium Alloy using a Co-based Alloy Tool 1616

Seung Hxvan C. Park, Yoshito Nagahama ,Satoshi Hirano , Shinya Imano

,Yutaka S. Sato,

Hiroyuki Kokavua , Toshihiro Omori, Kiyohito Ishida

Powder Mixed Electrical Discharge Machining of Titanium Alloy (Ti-6A1-4V) 1621

Lin Tang, Yongfeng Guo , Muxi Wang , Pengju Hou, Xinlei Ma

Study on Porosity Formation in the Keyhole Mode Electron Beam Full-penetration Welding of Titanium Alloys

1624

Jianglin Huang, Alistair Smith, NilsWarnken , J ean-Christophe Gebelin

,Martin Strangvuood , Roger Reed

Post-weld Atmospheric Contamination of Gas Tungsten arc Deposited Welds in Commercially Pure and

Contents • xxvii •

Ti-6A1-4V Titanium Alloys 1629

Nicholas Hoye , Huijun Li, John Norrish,Rian Dippenaar

Study on Microstructures and Mechanical Properties of Gr5-SS304 Clad Plate Manufactured by Explosive

Welding 1634

Hui Zhao , Pingcang Li , Yinggang Zhou, Xiaosong He

High Performance Titanium Powder Metallurgy Components Produced from Hydrogenated Titanium Powder

by Low Cost Blended Elemental Approach 1639

Georg Abakumov, Vlad Duz, Orest Ivasishin

,Vladimir Moxson

, Dmytro Sawakin

Discussion on X-ray Test Method of T-shaped Titanium Castings 1644

Xin Tianning

Research on TIG Manual Welding Technology of Ti-3Al-2Mo-2Zr Titanium Alloy 1647

Yuan Xiaogang , Wang JianhongIsothermal Local Loading Technology and Its Application in Large-scale Integral Component Forming of

Ti-alloy 1651

Sun Zhichao , Yang He

Oxidation Behavior of Cast Alpha-Titanium Scrap Blends for Exhaust Systems Applications 1656

Silvia Gaiani, Paolo Veronesi, Bostjan Jurisevic

Calciothermic Reduction of Ti-6A1-4V 1662

Benjamin. S. Moorhouse, Malcolm. Ward-Close, Mary. P. Ryan, Barbara. A. Shollock

Manufacture of Titanium condenser tubes for Nuclear industry in China 1666

Lodoic de Kerret, Pascal Gerard, Li Changjiang, Raphael Seghier

The Influence and Mechanism of Rare Earth Elements on Microstructure and Performance to Welded

Titanium Cathode Drum for Copper Foil Production 1670

Ren Lina, Ju He , Feng Sheng ,

Cai Tianxiao,Liu Bo

,Sun Wenbin

Preparation of Unitary Titanium Porous Restrictor 1676

Tan Ping , Pang GuangQing , Tang HuiPing , Chen Jinmei , Ge Yuan , Wang QiangBin , Kang XinTing

Finite Element Analysis of Coupling Force for TiNiFe Shape Memory Pipe Coupling 1681

Huibo Zhang, Jian Wang, Wei Jin, Rui Yang

Microstructure and Mechanical Property of Linear Friction Weldment of a Near-alpha Titanium Alloy Ti-60

1685

Z.Y. Chen, Q.J. Wang, J.R. Liu, T.C. Zhang, R. Yang

Research on Surface Properties of TA2 Commercially Pure Titanium Surface by Friction Stir Processing ••• 1690

Ma Honggang , Wang Kuaishe