3
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17)
17)
(Table 2-8)
from SAE 1040, 4140, 4340, 4640
(Table 2-9)
5
6
Problem 38 (Continued)
7
PET, polyurethane
PET.
PET
Resins used for composites include polyesters, epoxies,
8
Questions 70-73 refer to Figure 2-23 and Table 2-17 in the text.
General conclusions from Questions 70-73: The specific
strengths of the metals listed range from 0.194×106 to
1.00×106, approximately a factor of 5.0. The specific
9
