摘要
采取非局部弹塑性裂纹解与Griffith裂纹失稳准则给出了该种机制达到门槛状态的描述式。晶界Griffith裂纹的产生在于晶粒塑性应变的积累,其尺度与分布可由损伤力学试验与统计理论确定。
By using of the nonlocal elastic - plasti c crack Solution and Griffith Criterion, the threshold condition discriminat has been given as:here the length and distribution of intergranular microcrack can be defined by damage mechanic experiment or statistic theory.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
1989年第4期44-47,共4页
Journal of Hefei University of Technology：Natural Science
关键词
门槛区
疲荣损伤
模型
晶间裂纹
intergranular crack, fatigue gamage, threshold
