week 3 material engineering and their characteristics

8/19/2019 Week 3 Material Engineering and Their Characteristics

1/10

En. Muhammad Hanaf BinAsril Rajo Mantari

CHAPTER 3 :MATERIALS ENINEERIN

!

THEIR CHARACTERISTICS

1

"AM #$$%#ENINEERIN MATERIAL

SELECTI&N


2/10

Hanaf,JKM,PPD,2015

CONTENTS

2

Introduction

Classifcation o

!n"in!!rin" #at!rials D!fnitions o #at!rials

$!%a&iours'


3/10

Hanaf,JKM,PPD,2015

INT(OD)CTION

*

+ood &alu! or #on!+ood &alu! or #on!


4/10

Hanaf,JKM,PPD,2015

C-.SSI/IC.TION O/

EN+INEE(IN+ M.TE(I.-S

Pol#!rs

Co#osit!s

M!tals

Elasto#!r +lass!s

C!ra#ics


5/10

Hanaf,JKM,PPD,2015

MET.-

5

R'lati('l) hi*h moduli +,oun*-s modulussh'ar modulus /ul0 modulus Poisson-s ratio1

Can /' str'n*th'n (ia allo)in* ! tr'atm'nt+h'at ! m'2hani2al1 /ut still du2til' 'nou*hto /' d'orm'd

Pr') to ati*u'

R'lati('l) l'ast r'sistant to 2orrosion

Iron Co44'r Aluminum 5in2 Ni20'l

Titanium Sil('r old 't2. and th'ir allo)sSt''l Brass Bron6' 't2.

Mostl) r'2)2la/l'


6/10

Hanaf,JKM,PPD,2015

CERAMICS AN"LASSES

I. Hi*h moduli /ut /rittl'

II. Lo7 tol'r'n2' or str'ss 2on2'ntrations+'*. hol's or 2ra20s1 or hi*h 2onta2tstr'ss's +'*. 2lam4in* 4oint1

III.Sti8 hard and a/rasion9r'sistant

I. R'tain str'n*th to hi*h t'm4'ratur's

. Corrosion r'sistant.

I.Por2'lain lass Sili2on Car/id' BoronNitrid' Aluminum &;id' 't2.


7/10

3Hanaf,JKM,PPD,2015

i. Lo7 moduli + 2om4l'; sha4's1

(. Corrosion r'sistant

(i. Lo7 2o'?2i'nts o ri2tion

(ii.Pol)'th)l'n' PC T'=on N)lonPl';i*las Ba0'lit' E4o;) Pol)'st'rsM'lamin' N'o4r'n' Sili2on'

P&L,MERS AN"ELAST&MERS


8/10

Hanaf,JKM,PPD,2015 4

C&MP&SITESi. Com/in' attra2ti(' 4ro4'rti's o oth'r

2lass's o mat'rials 7hil' a(oidin* som'

dra7/a20sii. Li*ht sti8 stron* and tou*h

iii. Pr's'ntl) 4ol)m'r matri; +'4o;) or4ol)'st'r1 7ith f/'r r'inor2'm'nts +*lass

2ar/on or @'(lar1i(. A44li2ation t'm4'ratur' limit o #


9/10

Mat!rials S!l!ction Hanaf,JKM,PPD,2015

Class Property Symbol Units

General

Mechanical

Thermal

Wear

Corrosion/

oxidation

Cost

Density

Elastic moduli (Young’s, shear, bul!

"trength (yield, ultimate, #racture!

Toughness$racture toughness

Dam%ing ca%acity

$atigue endurance limit

Thermal conducti&ity

Thermal di##usi&ity

"%eci#ic heatMelting %oint

Glass tem%erature

Thermal ex%ansion coe##icient

Thermal shoc resistance

Cree% resistence

'rchard ear constant

Corrosion rate

)arabolic rate constant

C m

ρ

E, G, K

σ f

Gc

K Ic

η

σ e

λ

A

C p

T m

T g

α

∆T

-

k A

K

k p

*/g

g/m+

G)a

M)a

/m-

M)a.m

0

M)a

W/m1

m-/s

/g.1 1

1

21 03

21

0

M)a03

mm/year

m-/s

"'si*n9limitin*mat'rial

4ro4'rti's

and2orr's4ond SI units


10/10

''''''/INISH ''''''

THan6 ou

10Hanaf,JKM,PPD,2015

week 3 material engineering and their characteristics

Documents