Chapter 2 Image Slides

1. Chapter 2 Image Slides Shigley’s Mechanical Engineering Design Ninth Edition

2. Figure 2.1 = Stress Hooke’s law Engineering strain True strain =

3. Figure 2.2a Maximum Shear Stress Also

4. Figure 2.2b

5. Figure 2.3

6. Figure 2.4 Ultimate Torsional Strength Ssu = Tur/J Modulus of resilience Modulus of toughness

7. Figure 2.5

8. Figure 2.6a ε = εp + εe εe = σi /E

9. Figure 2.6b

10. R = (A0 – Af)/A0 W = (A0 – Ai’)/A0 σ = σ0 εm where σ = true stress σ0 = a strength coefficient, or strain strengthening coefficient ε = true plastic strain m = strain strengthening exponent m = εu ε = ln (l/l0) = ln(A0/A) Sy’ = Pi/Ai’ = σ0 εim for Pi ≤ Pu Su’ = Pu/Ai’ Su’ = Su /(1-W) εi ≤ εu Su’ ≈ Sy’ ≈ σ0 εim for εi > εu Brinell Hardness Su = 0.5 HB kpsi 3.4HB MPa

11. Figure 2.7

12. Figure 2.8

13. Figure 2.9

14. Figure 2.10

15. Table 2.1

16. Figure 2.11a

17. Figure 2.11b

18. Figure 2.12

19. Figure 2.13

20. Table 2.2

21. Table 2.3

22. Figure 2.14

23. Table 2.4

24. Table 2.4 Continued

25. Figure 2.15

26. Figure 2.16

27. Figure 2.17

28. Figure 2.18

29. Figure 2.19