Standard No.:	GB/T 41933-2022
English Name:	Plastics—Determination of tension-tension fatigue crack propagation—Linear elastic fracture mechanics (LEFM) approach
Chinese Name:	塑料 拉-拉疲劳裂纹扩展的测定 线弹性断裂力学(LEFM)法
Professional Classification:	GB    National Standard
ICS Classification:	83.080.01 83.080.01    Plastics in general 83.080.01
Issued by:	SAMR; SAC
Issued on:	2022-12-30
Implemented on:	2023-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	300.00
Delivery:	via email in 1~5 business day

本文件描述了通过对缺口试样施加在恒定正最小值和恒定正最大值之间周期性变化的拉伸载荷测定其裂纹扩展的方法。
本文件适用于裂纹长度与载荷周期次数的函数关系、以及裂纹长度增长率与裂纹尖端的应力强度因子和能量释放率的函数关系的测定。
本文件也适用于材料耐裂纹增长性能的测定。