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| QY16汽车起重机主梁断裂失效分析 | |
| 摘 要： | 利用断裂力学理论和试手段对ＱＹ１６汽车起重机主梁断裂失效进行分析，找出断裂的主要原因为焊缝开裂。 |
| 关 键 词： | 起重机，断裂，焊接，疲劳寿命 |
Anaysis on Fracture Failure ina QY16-Car-Lifter |
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| Authors: | Yu Xiaoguang Cao Wanhao |
| Institution: | Dept.of Mechanical Engineering |
| Abstract: | This text analyse the fracture failure in the main beam of a QY16-car-lifter through theory calculation and test.It is found that the main reason of fracture failure is the break of welding seam. |
| Keywords: | liffer frocture welding fatigue life-span |
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