Standard No.:	GB/T 24522-2009
English Name:	Metallic materials—Method of test for the determination of resistance to stable crack extension using specimens of low constraint
Chinese Name:	金属材料 低拘束试样测定稳定裂纹扩展阻力的试验方法
Chinese Classification:	H22    Metal mechanical property test method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.10 77.040.10    Mechanical testing of metals 77.040.10
Source Content Issued by:	AQSIQ;SAC
Issued on:	2009-10-30
Implemented on:	2010-5-1
Status:	superseded
Superseded by:	GB/T 24522-2020 Metallic materials—Method of test for the determination of resistance to stable crack extension using specimens of low constraint
Superseded on:	2020-12-1
Target Language:	English
File Format:	PDF
Word Count:	18000 words
Translation Price(USD):	480.0
Delivery:	via email in 1~3 business day

本标准规定了均匀金属材料低拘束裂纹体试样塑性变形在承受准静态加载时稳定裂纹扩展阻力δ5 和ΨC 的测定方法。紧凑拉伸试样和中心裂纹拉伸试样有缺口,采用疲劳的方法预制裂纹,在缓慢增加位移量的条件下进行试验。
本标准描述的试验方法涵盖那些不满足断裂性能尺寸不敏感的试样,例如尺寸相对单薄的紧凑拉伸试样和中心裂纹拉伸试样。