8. The S-N curve of a material is described by: log N = 20(1 - ) max A component made from this material is subjected to 1010 cycles at ơa = 0.40max- Next, it subjected to 1012 cycles at ơa = 0.3ơmax...


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8. The S-N curve of a material is described by:<br>log N = 20(1 - )<br>max<br>A component made from this material is subjected to 1010 cycles at ơa = 0.40max-<br>Next, it subjected to 1012 cycles at ơa = 0.3ơmax<br>If the cyclic load is increased to 0.80max<br>(a) How many more cycles will the material withstand?<br>(b) Point out the limitations of Palmgren-Miner rule.<br>

Extracted text: 8. The S-N curve of a material is described by: log N = 20(1 - ) max A component made from this material is subjected to 1010 cycles at ơa = 0.40max- Next, it subjected to 1012 cycles at ơa = 0.3ơmax If the cyclic load is increased to 0.80max (a) How many more cycles will the material withstand? (b) Point out the limitations of Palmgren-Miner rule.

Jun 11, 2022
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