Research on stress intensity factor and fatigue crack propagation rate of the general-purpose gondola car body-Reference-Cited by-同舟云学术

Research on stress intensity factor and fatigue crack propagation rate of the general-purpose gondola car body

Published:2021-06-01 Issue:2 Volume:45 Page:297-307
ISSN:0315-8977
Container-title:Transactions of the Canadian Society for Mechanical Engineering
language:en
Short-container-title:Trans. Can. Soc. Mech. Eng.

Author:

Liu Wenfei¹²,Zhang Yongju¹²,Li Ning¹²,Wang Libiao¹²

Affiliation:

1. School of Intelligent Manufacturing, Taizhou University, Taizhou 318000, China

2. School of Intelligent Manufacturing, Taizhou University, Taizhou 318000, China.

Abstract

In order to study the crack propagation characteristics of key parts of the general-purpose gondola car body, according to the structural characteristics and crack statistics results of the car body, the floor along the cross bearer weld was taken as the research object. The stress intensity factors under different conditions of the floor were studied, based on linear elastic fracture mechanics and finite element analysis. In addition, the crack propagation rates of the floor were studied by the Paris formula. These research results will provide a reference not only for formulating maintenance procedures for the general-purpose gondola car body, but also for evaluating the safety and reliability of wagon bodies.

Publisher

Canadian Science Publishing

Subject

Mechanical Engineering

Link

https://cdnsciencepub.com/doi/pdf/10.1139/tcsme-2020-0008

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