Metallic MaterialsNo Access

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

Tribology Research Institute, Southwest Jiaotong University 111#, The Section of the Northbound 1, The Second Ring Road, Chengdu 610031, P. R. China

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Jianhua Liu

Tribology Research Institute, Southwest Jiaotong University 111#, The Section of the Northbound 1, The Second Ring Road, Chengdu 610031, P. R. China

E-mail Address: jianhua-liu@live.cn

Corresponding author.

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Huajiang Ouyang

School of Engineering, University of Liverpool, Brownlow Street, Liverpool L69 3GH, UK

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Zhenbing Cai

Tribology Research Institute, Southwest Jiaotong University 111#, The Section of the Northbound 1, The Second Ring Road, Chengdu 610031, P. R. China

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Jinfang Peng

Tribology Research Institute, Southwest Jiaotong University 111#, The Section of the Northbound 1, The Second Ring Road, Chengdu 610031, P. R. China

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, and

Minhao Zhu

Tribology Research Institute, Southwest Jiaotong University 111#, The Section of the Northbound 1, The Second Ring Road, Chengdu 610031, P. R. China

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https://doi.org/10.1142/S0217979219400095Cited by:8 (Source: Crossref)

This article is part of the issue:

Special Issue — Materials Science and Nanotechnology

Abstract

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.

Keywords:

PACS: 81.40.Pq

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