3
4
17)
from SAE 1040, 4140, 4340, 4640
SAE 5160 OQT 1000
5
6
Problem 38 (Continued)
7
PET, polyurethane
Resins used for composites include polyesters, epoxies,
8
Questions 70-73 refer to Figure 2
–
2
3 and Table 2-17 in the text.
General conclusions from Questions 70
–
7
3
:
The specific
strengths of the metals listed range from 0.194×106 to
