Standard No.:	GB/T 24522-2009
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
English Name:	Metallic materials—Method of test for the determination of resistance to stable crack extension using specimens of low constraint
Professional Classification:	H22 Metal mechanical property test method
Professional Classification:	GB National Standard
ICS Classification:	77.040.10 Mechanical testing of metals
Issued by:
Issued on:	2009-10-30
Implemented on:	2010-05-01
Status:	VALID
Replace By:	GB/T24522-2020 Metallic materials—Method of test for the determination of resistance to stable crack extension using specimens of low constraint
Replace By Date:	2020-12-01
Language:	English
File Format:	PDF
Word Count:	20000 words
Price(USD):	600 (USD)
Delivery:	via email in 1-5 business day

前言Ⅰ
引言Ⅱ
1 范围1
2 规范性引用文件1
3 术语和定义1
4 符号和说明2
5 总则3
5.1 绪言3
5.2 试样4
5.3 试验前的要求6
5.4 试验设备7
5.5 试验要求8
5.6 试验后裂纹测量12
6 δ5?犪阻力曲线和CTOA 的确定15
6.1 总则15
6.2 试验步骤15
6.3 犚曲线图16
6.4 临界CTOA 的测定17
7 试验报告18
7.1 通则18
7.2 试样、材料和试验环境18
7.3 试验数据的有效性判定19
7.4 δ5?犪曲线的判定20
7.5 ΨC 的判定20
附录A (资料性附录) 试验报告实例21
附录B (资料性附录) 测量裂纹尖端张开位移δ5 的装置25
附录C (资料性附录) 裂纹尖端张开角Ψ 的测量27
附录D (资料性附录) 断裂韧度特征值的测定34