Experimental and numerical studies of bolted joints subjected to torsional excitation

被引：3

作者：

Liu, Xuetong ^{[1
]}

Liu, Jianhua ^{[1
]}

Ouyang, Huajiang ^{[2
]}

Cai, Zhenbing ^{[1
]}

Peng, Jinfang ^{[1
]}

Zhu, Minhao ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Tribol Res Inst, 111,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：

MODERN PHYSICS LETTERS B | 2018年 / 32卷 / 34-36期

基金：

中国国家自然科学基金;

关键词：

Bolted joint; torsional excitation; self-loosening; hysteresis loop; numerical analysis; THREADED FASTENERS;

D O I：

10.1142/S0217984918400833

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The dynamic response of bolted joints subjected to torsional excitation is investigated experimentally and numerically. First, the effects of the initial preload and the angular amplitude on axial force loss of the bolt were studied. Second, the change of hysteresis loops with the increasing number of loading cycles was found under a larger torsional angle. At last, a fine-meshed three-dimensional finite element model was built to simulate the bolted joint under torsional excitation, from which the hysteresis loops were obtained under varying angular amplitudes. The results of numerical analysis are in good agreement with those of experiments.

引用

页数：8

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