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strength, grain size, quenching, annealing, re-crystalline, increased ductility, change in grain boundaries, future implementation, current scenario, micro-structure before and after cold work, strengthening mechanism of cold work by various processes

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Project Report

On

High Strength Materials Forming

ENGR-6511

Submitted To:Dr. Mamadou SYSubmitted By:Anjan Mahajan 7175442Arshveer Singh Dhadli 7151705Jaskaranjeet Singh -7195575Jatinder Singh - 7730888Narinder Singh Lota - 7167288Navraj Singh Punia 7147414Table of Contents1 Introduction2 Types of forming processes A. Bulk Deformation Rolling Forging Extrusion Drawing B. Sheet Metal Working Shearing Bending Deep Drawing3 Parameters effect the forming processes Flow Stress Strain Rate Temperature Friction & Lubrication4 Changes in grain structure during forming 5 Challenges in high strength material forming 6 Durability of high strength formed materials7 Application of high strength formed materials8 Advantages and limitations of high strength formed materials9 Conclusion 10 References

References[1] Antti Jrvenp. Fatigue of high strength steels. The Centre for Advanced Steels Research (CASR) University of Oulu Laboratory of Materials Engineering[2] E. Billur, M.S. and Prof. Dr-Ing T. Altan. Challenges in Forming Advanced High Strength Steels[3] Nasser, E., Yadav, A., Pathak, P., Altan, T. Determination of the flow stress of five AHSS sheet materials (DP 600, DP 780, DP780-CR, DP 780-HY and TRIP 780) using the uniaxial tensile and the biaxial. Viscous Pressure Bulge (VPB) tests, Journal of Materials Processing Technology 210 (2010) 429436.[4] Yan, B. Progresses and Challenges in Forming AHSS, Workshop on Forming of AHSS, April 29, 2009, The Ohio State University, Columbus, OH.[5] Choi, K.S., et al. Influence of Manufacturing Processes and Microstructures on the Performance and Manufacturability of Advanced High Strength Steels, Journal of Engineering Materials and Technology, Vol. 131 / 041205. 2009.

[6] Sohmsetty, R., et Al. DP590 GI Mechanical Property Variability and Structural Response CAE Studies, SAE Technical Paper 2009-01-0799.

[7] Keeler, S. and Ulnitz P. Forming Higher-Strength Steels. Metalforming Magazine, April 2009, pp 18-25.

[8] SSAB and Uddeholm. Tooling Solutions for Advanced High Strength Steels, Product Guide, 2008.

[9] Wu, J., et al. A Failure Criterion for Stretch Bendability of Advanced High Strength Steels, SAE Technical Paper 2006-01-0349.

[10] Shivpuri, R.,Raghupati, P.S., Altan, T. Characteristics of Forming Presses and Recent Developments for Precision and Net Shape Forming, J. Mater. Shaping Technol. (1988) 5:259-267.[11] Lisa Hallberg, Jan-Olof Sperle. Assessing the environmental advantages of high strength steel. IVL Swedish Environmental Research Institute, Gothenburg, Sweden. Sperle Consulting AB, Stockholm, Sweden.

[12] Dr. Pulak M. Pandey. Metal Forming Processes.

[13] Dykeman, J., et al. Material Property and Formability Characterization of Various Types of High Strength Dual Phase Steel. SAE Technical Paper 2009-01-0794.

[14] Chen, M. and Zhou, D.J. AHSS Forming Simulation For Shear Fracture And Edge Cracking, Great Designs in Steel Seminar, 2007, Livonia, MI.