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Analysis of Rolling Contact Bearings Test Data by the Bımodal Method

Advances in Materials Physics and Chemistry 2021年第1期11卷 1-6页

作者： Yaakov Meged The Faculty of mechanical Engineering The Technion Israel Institute of Technology Haifa Israel

Lieblein J. and Zelen A. conducted a study of the fatigue life of deep groove ball bearings. This study was based on data of 4948 bearings as obtained from 5 companies and 213 test groups. Among these data is a detailed test report #3183, lot 73, consisting of 23 failed bearings. This report states that the Weibull slope of this group is 2.23, meaning that this distribution is mono sloped. These test data were plotted by the author on a bilinear scale plane, of endurance life versus bearing number and proved to be distinctly bi sloped. This basic difference prompted a wide study resulting in several new findings and set the grounds for a new analysis method.

关键词： Bimodal Fatigue Mechanism Deep Groove Ball Bearings mechanical mode Hydraulic mode Relative Intensity Cavitation Erosion

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mechanical Method on Bimaterial Body Boundary with Crack-tip

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Semiconductor Photonics and Technology 1998年第2期4卷 94-98页

作者： QU Shiming (Dept. of Physics, Teacher’s College of Qingdao University, Qingdao 266071, CHN ) WANG Yunshan (Dept. of Physics, Shandong University of Technology Jinan 250061, CHN )

The problem of bimaterial body boundary, especially, microcosmic and macroscopic boundary behavior of bimetallic boundary, ceramic and metal, is paid close attention by many scholars in electronic device and communication, material science, aeronautical and astronautical engineering and et al. modern photoelectric technology, such as laser technique, conveniently is used to measure geometrical stress field of bimaterial body, quantitatively analyse boundary mechanical behavior with crack-tip and composition of boundary matter element. One has put forward mechanical model, which is used to analyze joint energy, atom transition of matter of medium layer, diffusion and solid solution, by means of energy theory of quasi- continuous body. This paper recommended the theory, technology, and gives the results.

关键词： Bimaterial Body mechanical mode Photoelectronic Technology

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