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作者:

Dai, Yanwei (Dai, Yanwei.) | Liu, Yinghua (Liu, Yinghua.) | Qin, Fei (Qin, Fei.) (学者:秦飞) | Chao, Yuh J. (Chao, Yuh J..)

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EI Scopus SCIE

摘要:

A higher order asymptotic analysis with separable variable form is presented in this paper for crack tip mechanics fields under mixed mode creep conditions. By defining a second order mode mixity factor, higher order term solutions are investigated by solving the boundary value problem. The solution procedure is validated first and then the characteristics of various kinds of second order asymptotic solutions for mixed I/II creep crack tip field are presented and discussed. The angular distribution functions of the second order stress and the stress exponent for various cases are given. Detailed relations between the amplitudes of the second order term and the first order term are also discussed. The method and solutions given in this paper encompass the higher order term solutions of pure mode I, pure mode II and mixed mode I/II.

关键词:

Power-law creep Second order mixity factor High order terms Mixed mode I/II Asymptotic analysis

作者机构:

  • [ 1 ] [Dai, Yanwei]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Qin, Fei]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Liu, Yinghua]Tsinghua Univ, AML, Dept Engn Mech, Beijing 100084, Peoples R China
  • [ 4 ] [Chao, Yuh J.]Univ South Carolina, Dept Mech Engn, 300 Main St Columbia, Columbia, SC 29208 USA

通讯作者信息:

  • [Dai, Yanwei]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China

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来源 :

ENGINEERING FRACTURE MECHANICS

ISSN: 0013-7944

年份: 2019

卷: 218

5 . 4 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:136

JCR分区:1

被引次数:

WoS核心集被引频次: 10

SCOPUS被引频次: 14

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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