Self-loosening behavior of bolted joints subjected to dynamic shear load

被引：8
|
作者：
Zhou, Junbo [1 ]
Liu, Jianhua [1 ]
Ouyang, Huajiang [2 ]
Cai, Zhenbing [1 ]
Peng, Jinfang [1 ]
Zhu, Minhao [1 ]
机构：
[1] Southwest Jiaotong Univ 111, Tribol Res Inst, Sect Northbound 1, Second Ring Rd, Chengdu 610031, Sichuan, Peoples R China
[2] Univ Liverpool, Sch Engn, Brownlow St, Liverpool L69 3GH, Merseyside, England
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2019年 / 33卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
Bolted joints; loosening behavior; fretting wear; dynamic shear load;
D O I：
10.1142/S0217979219400095
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The loosening experiments of bolted joints under shear load have been carried out. The effects of the initial tightening torque, the shear load amplitude, and the material of bolts on loosening behavior are studied. The results indicate that there exists a critical value for the shear load amplitude, below which complete loosening would not occur. It is also found that the bolted joints made of quenched and tempered steel and stainless steel have a significant anti-loosening performance. Damage mechanisms of the contact thread surfaces are adhesive wear, delamination and oxidative wear.
引用
收藏
页数：7
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