FAILURE ANALYSIS OF BRAKE PIN OF DRILLER

LIU Si-yong; LIN Li

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PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING > 2008 > 44(2): 100-102.

LIU Si-yong, LIN Li. FAILURE ANALYSIS OF BRAKE PIN OF DRILLER[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(2): 100-102.

Citation:

LIU Si-yong, LIN Li. FAILURE ANALYSIS OF BRAKE PIN OF DRILLER[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(2): 100-102.

Citation:

LIU Si-yong, LIN Li. FAILURE ANALYSIS OF BRAKE PIN OF DRILLER[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(2): 100-102.

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FAILURE ANALYSIS OF BRAKE PIN OF DRILLER

LIU Si-yong,
LIN Li

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Received Date: January 24, 2007

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Brake pin of oil drill had fractured in procession of work. To find out the reason to keep from the same accident,the fracture sample was analyzed by scanelectronic microscope (SEM),spectral analysis and metallographic examination,the major reason was that much oxide inclusion which existed in original organization and unsuitable heat treatment weakened material′s flexibility.
- Brake pin,
- Macroscopical analysis,
- Metallographic examination,
- Chemical composition,
- Mechanics performance,
- Failure analysis

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[1]	任颂赞,张静江,陈质如.钢铁金相图谱［M］.上海:上海科学技术文献出版社,2004．

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