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MULTIAXIAL CREEP-FATIGUE life evaluation UNDER PROPORTIONAL LOADING

Acta Metallurgica Sinica(English Letters) 2004年第4期17卷 355-360页

作者： Y.Noguchi M.Miyahara Corporate Research & Development Laboratories Sumitomo Metal Industries Ltd. Amagasaki Hyogo 660-0891 JapanCorporate Research & Development Laboratories Sumitomo Metal Industries Ltd. Amagasaki Hyogo 660-0891 Japan

A new method was proposed for the multiaxial creep-fatigue life evaluation under proportional loadings. Because this method was derived from the strain range partitioning method with a multiaxiality factor, it was possible to consider the influence of both creep-fatigue interaction and multiaxial stress state on fatigue life. In order to predict the combined axial-torsional fatigue life the damage under combined loading was defined as linear summation of the damages under axial loading and torsional loading. Axial-torsional creep-fatigue tests were carried out using tubular specimens of 316LC austenitic stainless steel and the ferritic rotor steel. This rotor steel was developed for the permanent magnet type eddy current retarder in heavy trucks. Experimentally obtained lives of both steels were well corresponded with the lives predicted by the proposed method. It was found that the proposed method was effective in multiaxial fatigue life evaluation under proportional creep-fatigue loadings.

关键词： multiaxial fatigue creep-fatigue proportional loading life evaluation

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A life evaluation System and its Application to Mining Machinery Equipment

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International Journal of Plant Engineering and Management 2010年第3期15卷 149-156页

作者： LIU Hun-ju WANG Yi-liang YANG Zhao-jian School of Mechanical Engineering Taiyuan University of Technology Taiyuan 030024 P.R. China

Based on analyzing the mining equipment life evaluation theoretical system, the equipment life evaluation target system of the mining machinery is put forward taking the economic life, security life, reliability life and technical life as the targets. Then, the structure and model of the mining equipment life evaluation system are established and prepared for the realization of the system theoretically. Taking hydraulic support as the research object, the life evaluation system of hydraulic support is established and practice shows that the life evaluation system is feasible.

关键词： mining machinery equipment life evaluation theoretical system target system

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维普期刊数据库

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Reliability evaluation of CRH_(3C) Brake Pads Based on Bayes Method

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Journal of Donghua University(English Edition) 2016年第2期33卷 227-230页

作者：李永华程杰王剑 School of Traffic and Transportation Engineering Dalian Jiaotong University School of Mechanical Engineering Dalian Jiaotong University

In the reliability life evaluation of CRH_(3C) brake pads,the evaluation model of reliability life is put forward based on the Bayes method in the small sample. The correctness of evaluation model is validated by comparing and analyzing with the evaluation results based on Bootstrap simulation. Also by comparing the result with the semi-empirical method,the life evaluation results of the brake pads which are based on the Bayes method are more actual. The results which are based on the Bayes method can provide the theoretical basis and guidance for the repair and replacement of brake pads.

关键词： small sample life evaluation brake pads Bayes

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维普期刊数据库

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Fatigue life Prediction of Vehicle Transmission Shaft Assembly without Intermediate Support

Fatigue Life Prediction of Vehicle Transmission Shaft Assemb...

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The 2nd International Conference on Computer-Aided Design, Manufacturing, Modeling and Simulation(CDMMS 2012)

作者： Kang Huang Jiawei Li Huo Cao Taier Heavy Industries Economic and Technological Development Zone

Vehicle transmission shaft assembly is an important component of automotive transmission,parts of which are facing the problem of prematurely resulting in fatigue failure.This paper responding for nee

ISBN: (纸本)9783037855409

关键词： Transmission shaft Workbench Fatigue life prediction intermediate support assemblies life evaluation Fatigue fracture place of use Automotive transmissions SHAFT Fatigue life

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