MATERIAL SCIENCE HW4

Thermal Expansion( 열팽창 )

2010012253 Kim Jong Chan2010012249 An Woo Jin

Mechanical EngineeringGNU

α=(L-Lo) /L(T-To)[α=coefficient of linear expansion(CTE)]

To

Lo L

T

Thermal expension

Rubber77

PET59.4

Al606123.6

Con-crete

12SM456C

11.5Glass

9

CTE(µm/m-°C)

△L(µm)

CTE - △L Relation

SM45C(Steel)

ConcreteAl6061(Al)

Rub-berPET

807060

50403020

010 Glass

P r o d u c t

BIMETAL

Thanks for your attention