Examination of the Condition on the Threshold of Propagation of Fatigue Cracks Using Slip-initiation Phenomena : 1st Report, Behaviour of Crack Opening or Closing and Crack Opening Stress
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概要
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In order to investigate the relation between the critical stress amplitude of slip-initiation at the crack tip and the crack length, fatigue cracks of tensile mode grown up in an eutectoid steel are examined under various magnitudes of the mean stress. Taking note of the fact that slip-initiation phenomena are controlled by shearing stress amplitude, the relation between the mean stress and the critical stress amplitude of slip-initiation can reasonabaly be explained by the stress concentration factor at the microregion near the crack tip, resulting from the crack opening or closing, and the crack tip opening stress.
- 一般社団法人日本機械学会の論文
著者
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Kimura Nobuo
Sumitomo Heavy Industry Co.
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KITAOKA Seiichiro
Faculty of Engineering,Nagoya University
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Kitaoka Seiichiro
Faculty Of Engineering Nagoya University
関連論文
- Basic Research on Slip-initiation Phenomenon by Fatigue and Its Application to Stress Measurement
- Examination of the Condition on the Threshold of Propagation of Fatigue Cracks Using Slip-initiation Phenomena : 1st Report, Behaviour of Crack Opening or Closing and Crack Opening Stress
- On the Temperature- and cyclic speed-dependence of the Method of Stress Measurement Using Iron-foils
- Stress Measurement Using Slip-initiation Phenomenon in Iron Foil
- Basic Study on Stress Measurement Using Slip-initiation Phenomenon in Electro-deposited Iron
- Experimental Evaluation of the Stress Intensity Factor Using the Phenomena of Grain Growth and Slip-initiation in Copper Foil
- Dependence of the Threshold Stress of Microcrack Propagation on the Stress Ratio
- The Effect of Crack Closure on the Threshold of Micro Fatigue Crack Propagation under Mixed Mode
- On the Understressing Effect of the Eutectoid Steel
- A Study on the Improvement in Sensitivity of Strain Gauges Made of Copper Electrodeposited Foil
- Examination of the Threshold Condition for Propagation of Fatigue Cracks Using Slip-initiation Phenomena : 3rd Report, In the Case of Aged Cracked Specimen
- The Threshold of Micro Crack Propagation under Mixed Mode
- Measurement of Biaxial Stress Using Electrodeposited Copper Foil with a Microcircular Hole : Method Using the Probability of the Occurrence of Slip
- The Behavior of Fatigue Cracks in Pure Iron Subjected to Rotary Bending and Cyclic Torsion : 2nd Report, Effect of Crystal Grain Size
- The Behavior of Fatigue Cracks in Pure Iron Subjected to Rotary Bending and Cyclic Torsion : 1st Report, Stress-Concentration Factor and Fatigue-Notch Factor due to Fatigue Cracks
- On the Understressing Effect of the Eutectoid Steel at -60℃
- On the Stress Measurement Method Using Grain Growth Process of Electrodeposited Copper Foil : 1st Report, Grain Nucleation and Grain Growth : Series A : Solid-Mechanics, Strength of Materials
- On the Stress Measurement Method Using Slip Lines in Copper Foil with Grown Grain Structure : Solid-Mechanics, Strength of Materials
- The Propagation Behaviour of Mode I Surface Cracks under Biaxial Stresses by the Combination of Plane Bending and Cyclic Torsion
- The Propagation Threshold of a Through Crack in a Plate Under the Mixed Mode : (Plane Bending and Cyclic Torsion)
- Change of Material Properties at the Tips of Fatigue Cracks Subjected to Macroscopic Tensile and Shear Stresses for Propagation : in Rotary Bending and Cyclic Torsion