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CHEN Yuan-yuan, LU Hui. Failure Analysis on Fracture of 35CrMo Steel Bolts[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2014, 50(8): 616-618.
Citation: CHEN Yuan-yuan, LU Hui. Failure Analysis on Fracture of 35CrMo Steel Bolts[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2014, 50(8): 616-618.

Failure Analysis on Fracture of 35CrMo Steel Bolts

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  • Received Date: June 02, 2014
  • The 10.9 grade 35CrMo steel bolts for elevators fractured after being installed for a period of time, and the fracture reasons were analyzed by direct-reading spectrometer, scanning electronic microscope, optical microscope, Vickers hardness test machine and so on. The results show that the fracture of the bolts was hydrogen induced delay fracture under the co-action of hydrogen and static tensile stress.
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    机械工业理化检验人员技术培训和资格鉴定委员会. 金相检验[M]. 北京: 中国计量出版社, 2008: 268.
    [2]
    王春亮. 8.8级螺栓断裂原因分析[J]. 理化检验-物理分册, 2013, 49(增刊2): 305-311.

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