Effect of T-stress on Fracture of a Long Cracked Plate in Unsteady Heat Transfer

Shaoqing Zhou and Limin Li

Mathematical Problems in Engineering, 2021, vol. 2021, 1-8

Abstract:

In order to accurately predict the structure fracture caused by thermal load, a modified maximum tensile stress (MTS) criterion combined with T -stress is proposed. The modified MTS uses a two-parameter model (stress intensity factor K and T -stress) to describe the fracture behavior under thermal load. The T -stress and stress intensity factor at the crack tip are solved by using J-integral in the theoretical calculation of a cracked strip with temperature difference. The results show that T -stress can affect the fracture toughness and the stress at the crack tip of the cracked strip with temperature difference. This provides a basis for the simulation of structural fracture under thermal load.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:2700064

DOI: 10.1155/2021/2700064

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