Experimental and Numerical Investigations of the Effect of Bolt Position on the Mixed-Mode Fracture Strength of Edge Crack Specimens

被引：0
|
作者：
Maleki, H. N. [1 ]
Abazadeh, B. [2 ]
Chakherlou, T. N. [1 ]
机构：
[1] Univ Tabriz, Fac Mech Engn, POB 51666-14766, Tabriz, Iran
[2] Univ Bonab, Dept Mech Engn, POB 55517-61167, Bonab, Iran
来源：
JOURNAL OF AEROSPACE ENGINEERING | 2020年 / 33卷 / 06期
关键词：
Fracture mechanics; Mixed mode; Bolt clamping position; Stress intensity factor; STRESS INTENSITY FACTORS; FATIGUE BEHAVIOR; CLAMPING FORCE; INTERLAMINAR FRACTURE; COLD EXPANSION; GROWTH; COMPOSITE; HOLE; REPAIR; PLATE;
D O I：
10.1061/(ASCE)AS.1943-5525.0001192
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Experimental and numerical investigations were conducted to evaluate the effect of bolt position along the crack length on the mixed-mode fracture strength and effective stress intensity geometry/loading factor. The experimental tests were carried out on different batches of torque-tightened edge crack specimens, including those with bolts at different distances from the crack tip and simple (without bolt) ones. Finite-element simulations were employed to find the stress intensity geometry factors. The results showed a considerable increase in the fracture strength and a reduction of stress intensity factors in specimens with a bolt positioned closer to the crack tip. (c) 2020 American Society of Civil Engineers.
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页数：12
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