The Stress Concentration Factor Produced by a Projection under Tensile Load

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概要

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• The stress concentration factor, K, for the circular fillets under tensile load was investigated photoelastically for flat bars having a projection on both sides (i.e. a cross-shaped plate). The experiment shows that the values of K are given by the empirical formula as follows : [numerical formula] where D and L are the width and length of the projection respectively, r is the radius of the circular fillet, d is the width of the bar ; and the coefficient C and the exponent α are indicated as functions of L/d. Then, the values of K increase with increasing D/d, L/d and d/r respectively, but in a range of L/d>5,K agrees with the values of stress concentration factors of the shouldered plates which are the limiting cases when the value of L/d tends to infinity.

• 一般社団法人日本機械学会の論文

著者

• Kumagai Kazuo

  National Training Institute For Engineering Teachers Tohoku University

• Shimada Heihachi

  Faculty Of Engineering Tokoku University

関連論文

• Quantitative Measurement of Ultrasonic Wave Stress in a Solid by Stroboscopic Photoelasticity : Ultrasonic Imaging and Microscopy
• The Stress Concentration Factor Produced by a Projection under Tensile Load

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