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MATERIAL SCIENCE HW4

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.

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MATERIAL SCIENCE HW4

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  1. MATERIAL SCIENCE HW4 Thermal Expansion(열팽창)

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

  3. CTE - △L Relation △L (µm) CTE (µm/m-°C)

  4. P r o d u c t 80 Rubber 70 PET 60 Al6061(Al) 50 40 Concrete 30 SM45C(Steel) 20 10 Glass 0

  5. BIMETAL

  6. Thanks for your attention

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