1. Exercise Problem Of Homework No.3
For a composite lamina heated by a temperature difference and using mechanics of
materials appraoch
Given:
Get:
Where: is the thermal expansion coefficient.
is the volume fraction.
Young's modulus of elasticity.
Subscript for fiber and subscript for matrix.
Solution
Assumptions:
1)
2)
From Equilibrium:
From Hook's law:
From assumption (1):

2. From assumption (2)
Final Answer