Response to the following problem:
Explain how the matrix influences the extent of chemical attack on the fibers. Explain the effect of the applied load.
What is the effect of temperature and moisture on the mechanical properties of a polymer?
Use empirical formulas to plot the estimated stiffness and strength variation of Epon 9420/9470(A) from room temperature to high temperature.
Based on the data, what is a reasonable maximum operating temperature for this resin?