Plot S-N curves for both metals using log scale and showing appropriate axes limits and labels and compare the fatigue characteristics.
Plot S-N curves for both metals using log scale and showing appropriate axes limits and labels and compare the fatigue characteristics.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
C36000 Brass
| Load (lbs) | Cycles to failure (N) | Stress (S) in (ksi) |
| 60 | 21925 | 45.28 |
| 45 | 62333 | 33.96 |
| 40 | 162745 | 30.18 |
| 35 | 274145 | 26.40 |
4130CF Steel
| Load (lbs) | Cycles to failure (N) | Stress (S) in (ksi) |
| 100 | 4444 | 75.46 |
| 80 | 223126 | 60.35 |
| 70 | 611424 | 52.80 |
| 67 | 2191170 | 50.55 |
Plot S-N curves for both metals using log scale and showing appropriate axes limits and labels and compare the fatigue characteristics.
Expert Solution
Step 1: To determine
Given the cycles to failure and stress data for two materials as follows:
C36000 Brass
| Load (lbs) | Cycles to failure (N) | Stress (S) in (ksi) |
| 60 | 21925 | 45.28 |
| 45 | 62333 | 33.96 |
| 40 | 162745 | 30.18 |
| 35 | 274145 | 26.40 |
4130CF Steel
| Load (lbs) | Cycles to failure (N) | Stress (S) in (ksi) |
| 100 | 4444 | 75.46 |
| 80 | 223126 | 60.35 |
| 70 | 611424 | 52.80 |
| 67 | 2191170 | 50.55 |
The SN curves have to be plotted and the fatigue characteristics of the two metals have to be compared
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