Influence of the blanking burr on fatigue life based on numerical simulation methods

Duanya Jishu (2016)

Luo Deyang Zhaohui Hu Yi Liao Yu Yi

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Keywords:

Blanking

Topics:

Fatigue and fracture mechanics

Metallurgy and Material Forming

Engineering Diagnostics and Reliability

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Fatigue life prediction method of mechanical parts based on Weibull distribution

IOP Conference Series Materials Science and Engineering (2020)

Yang Wang Zhiling Peng

Abstract Aiming at the randomness of fatigue life of mechanical parts, the reliability analysis and fatigue life prediction of mechanical parts are carried out through the Weibull distribution of three parameters. The process of solving the complex transcendental equation is analyzed, and the method of solving the likelihood function by unconstrained optimization method is proposed to estimate the values of the three parameters of Weibull distribution. A complete and accurate Weibull distribution model was established to analyze and calculate the data of gear tooth fracture, and the accuracy of the model was verified. The fatigue life of mechanical parts could be predicted by this model.

Weibull modulus

10.1088/1757-899x/782/2/022068

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Citations (4)

Development of a computer-based evaluation system for soil parameters in the reliability design method

CRC Press eBooks (2011)

Yoichi Watabe Masanori Tanaka T. Nishioka I Nozaki

10.1201/b11332-252

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Fracture mechanics based modelling of the corrosion fatigue process.

David W. Hoeppner David Mann Jake Weekes