文献类型：会议论文

英文题名：J₂-Integral and its application in estimates of stress intensity factors

作者：Xie, YJ; Chen, BZ; Xu, H; Li, PN

机构：[1]Fushun Petr Inst, Dept Mech Engn, Fushun 113001, Peoples R China;[2]E China Univ Sci & Technol, Res Inst Proc Equipment & Pressure Vessels, Shanghai 200237, Peoples R China

会议论文集：3rd International Conference on Fracture and Strength of Solids

会议日期：DEC 08-10, 1997

会议地点：HONG KONG, HONG KONG

语种：英文

外文关键词：J(2)-Integral; stress intensity factor; fracture

摘要：In present paper, a new relationship between J(2)-Integral and stress intensity factor is derived in K-Field of Mode I Crack. This relationship indicates that J(2)-Integral. For tracked beams, pipes and other beam class of problem, J(2)-Integral can be proposed to estimate stress intensity factors, by which a closed-form expression of stress intensity factors is derived. The example shows that this proposal is very simple and valid for engineering. Additionally, the approach in this paper gives theoretically the Kienzler and Hermann's relationship between 'material force'([1-3]) and stress intensity factors.