Fundamental Investigations of Fretting Fatigue : Part 1,On the Relative Slip Amplitude of Press-fitted Axle Assemblies

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概要

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• Although the significant reduction in fatigue strength produced by fretting of the press-fitted axle assemblies has been well known, the causes of this phenomenon have not been fully clarified. The purpose of this study is to clarify the influence of fretting on the fatigue strength of press-fitted axle assemblies where the minute relative slips at the end region of the hub on the axle surface occur due to the alternate elongation and contraction of the axle fibers. In the present paper, the authors have focused their attention on the amplitudes of the relative slips near the end of the press-fit, and investigated them quantitatively. The effects of various factors, such as size, shape, clamping pressures, magnitude of nominal stresses, number of cycles and frequency of alternating stresses, on the amplitudes of relative slips are evaluated extensively.

• 一般社団法人日本機械学会の論文

著者

• Hirakawa Kenji

  Central Research Laboratories Sumitomo Metal Industries Ltd.

• NISHIOKA Kunio

  Central Research Laboratories, Sumitomo Metal Industries.

• NISHIMURA Seiichi

  Central Research Laboratories, Sumitomo Metal Industries, Ltd.

• Nishioka Kunio

  Central Research Laboratories

• Nishimura Seiichi

  Central Research Laboratories Sumitomo Metal Industries Ltd.

関連論文

• Fundamental Investigations of Fretting Fatigue : Part 3,Some Phenomena and Mechanisms of Surface Cracks
• Fundamental Investigations of Fretting Fatigue : Part 1,On the Relative Slip Amplitude of Press-fitted Axle Assemblies
• Fundamental Investigations of Fretting Fatigue : Part 4,The Effect of Mean Stress
• Fundamental Investigations of Fretting Fatigue : (Part 5,The Effect of Relative Slip Amplitude)
• Strength of Integral Pipe Flanges : No.2 Gasket Seating Stress and the Influence of Number of Bolts
• Strength of Integral Pipe Flanges : No.1 Stress Distribution in Flange and the Criticism of the Conventional Standards
• Research on the Reinforcement with a Rib : (5th Report, The Deformation of Structural Parts Reinforced with Ribs where the Cross Section of Intersecting Members is Equal)
• Researches on Increasing the Fatigue Strength of Press-Fit Axle : 2nd Report Press-Fitted Shaft Assembly Two Dimensional Photoelasticity
• Researches on Increasing the Fatigue Strength of Press-Fit Shaft : 4th Report, Geometry of the End of Press-Fitting and σ_< w1 >
• The Strength of Railroad Wheels : 1st Report, Thermal Stresses in Disc Wheels
• Research on the Reinforcement with a Rib : (6th Report, The Deformation of Structural Parts Reinforced with Ribs where the Cross Sections of Two Intersecting Members Are Different in Rigidity)
• Fatigue Strengths of Shafts with Press-fitted Collar
• The Effects of Metallurgical Factors on Fatigue Strengths : Part 1,The Effects of Carbon and the Relations between Static Strengths and Fatigue Strengths
• An Improved Method for Measuring the Residual Stresses in Railroad Solid Wheels
• The Effects of Metallurgical Factors on Fatigue Strength : Part 3, The Effects of C, Si, Mn, P and Cu (2)
• Researches on Increasing the Fatigue Strength of Press-Fitted Shaft Assembly
• The Effects of Metallurgical Factors on Fatigue Strength : Part 4, The Effects of N and B
• The Effects of Metallurgical Factors on Fatigue Strength : Part 5, The Effects of Ni, Cr and Mo (1)
• The Effects of Metallurgical Factors on Fatigue Strength : Part 2, The Effects of C, Si, Mn, P and Cu (1)
• Vibration of Air Suspension Bogies and Their Design
• The Strength of Railroad Wheels : 2nd Report, The Effect of Wheel Contours on Thermal Stresses in Wheels
• A Fractographic Study of Fatigue Fracture of AISI 4340 Steel

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