material science hw4
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MATERIAL SCIENCE HW4. Thermal Expansion(열팽창). Thermal expension. α= (L-Lo ) /L (T-T o) [ α =coefficient of linear expansion(CTE)]. L o. L. T o. T. CTE - △L Relation. △L (µm). CTE (µm/m-°C). P r o d u c t. 80. Rubber. 70. PET. 60. Al6061(Al). 50. 40. Concrete. 30. - PowerPoint PPT Presentation
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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
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