Fundamental Investigations of Fretting Fatigue : (Part 5,The Effect of Relative Slip Amplitude)

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概要

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• The fact that the fretting fatigue strength is significantly influenced by the relative slip amplitude was confirmed experimentally and reported in the previous paper. In the present paper, in order to make clear why the relative slip has a marked influence upon the fretting fatigue strength, the relation between the frictional force and the relative slip is investigated experimentally. As the result, the alternating stress amplitude, σ_<fw1>, which is the fatigue limit based upon the initation of fatigue cracks under the condition of fretting, could be expressed in the following equation as a function of relative slip, S, σ_<fw1>=σ_<w1>-2_<μp0>{1-exp (-S/κ)}, where σ_<w1> is the fatigue strength of plain specimen, μ is the coefficient of friction, and k is a constant.

• 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.

• Nishioka Kunio

  Central Research Laboratories

• Nishioka Kunio

  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
• 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)
• 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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