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| The fracture analysis of 17CrNiMo6 reductor axle |
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Received:June 11, 2018
Revised:June 11, 2018
Accepted:June 13, 2018
Published Online:July 31, 2018
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| DOI： |
| KeyWord:reductor;axle, welding;defect, inclusions |
| Author | Institution |
| tianye |
BGRIMM Technology Group |
| wenjuan |
Technology research institute of shougang group co.LTD |
| guosuli |
JINHUAN Construction Group Co.，LTD |
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| Abstract: |
| In the research, the Macroscopic morphology, the SEM microstructure, inclusions and chemical composition of the broken reductor axle were examined. The results show that there are welding cracks, slag inclusions and other defects in the broken axle. These defects form a tiny crack source, which leads to fatigue fracture of reductor axle under bending and rotating force. |
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