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《Lubrication Engineering》 2009-06
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Study on Weibull Distribution Form Parameter of Automotive Chain Fatigue Lifetime

Cheng Yabing1 Meng Fanzhong2 Feng Zengming1(1.College of Mechanical Science and Engineering,Jilin University,Changchun Jilin 130025,China;2.Chain Transmission Institute,Jilin University,Changchun Jilin 130025,China)  
The distribution function of automotive chain fatigue lifetime was discussed and the characteristics of Weibull distribution form parameter of fatigue lifetime that vary with its specification and loading were analyzed,the sampling inspection plan of lifetime of reliability was designed.The test results show that the lifetime of automotive chain under high stress test conditions complys with Weibull distribution with two parameters,the form parameter increases with test load increasing and decreases with pitch increasing.The sampling test by accelerating test can save time and cost,and the suggested overload level is 0.30 to 0.33 times of the minimum limit tensile load that the standard requires.
【Fund】: 国家科技型中小企业技术创新基金项目(01C26213300872)
【CateGory Index】: U467
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Chinese Journal Full-text Database 3 Hits
1 Li Baolin~(1,2) Meng Fanzhong~1 Li Yanchun~1 Tang Li~2 Mu Song~2(1.Jilin University,Changchun Jilin 130025,China;2.Jilin Province Agricultural Machine Test Center,Changchun Jilin 130062,China);Analysis on Failure Timing Chain System of Automobile Engine[J];Lubrication Engineering;2006-02
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