GB/T 28896-2023 Active National standards

GB/T 28896-2023 Metallic materials—Method of test for the determination of quasistatic fracture toughness of welds

GB/T 28896-2023 Metallic materials—Method of test for the determination of quasistatic fracture toughness of welds

Publish Date: 2023-03-17 Implement Date: 2023-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 28896-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \n Test methods for the mechanical properties of metals

ICS Name: Mechanical testing of metal materials

Publish Date: 2023-03-17

Implement Date: 2023-07-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国钢标准化技术委员会(SAC/TC 183)

Pages: 41 pages

Scope

本文件描述了测试金属材料焊接接头应力强度因子（K)、裂纹尖端张开位移[CTOD(δ)]和J积分的试验方法。
本文件是对GB/T 21143的补充，GB/T 21143涵盖了金属材料母材有关断裂韧度测试的试验方法的所有方面，本文件与GB/T 21143配套使用。
本文件适用于测定断裂韧度特征值而不宜用于测定有效的Rcurve（裂纹扩展阻力曲线)，但本文件中试样的加工方法也适用于焊缝金属的Rcurve测定。规定的测试采用的是焊接之后、经机加工缺口并预制疲劳裂纹的金属材料试样，该缺口位于焊缝金属或者热影响区的目标区域，如适用时需要对疲劳裂纹位置的有效性进行评估。

Development Information

Drafting Units:

天津大学、国家石油天然气管网集团有限公司、十堰市工业产品质量检验检测所、江苏澄信检验检测认证有限公司、天津市金桥焊材集团股份有限公司、首钢集团有限公司、东莞材料基因高等理工研究院、深圳万测试验设备有限公司、北京空间机电研究所、冶金工业信息标准研究院

Drafting Persons:

[王东坡]、冯庆善、刘传龙、朱国森、张强、肖辉英、李荣锋、董莉、黄星、臧博、龚宝明、戴联双、魏启均、甘美露、邓彩艳、赵海微、王婷、王富祥、侯慧宁、王书强、郭柏辰、马强

Word Count: 82 Thousand words Pages: 41 pages

Replace the following standards

GB/T 28896-2012 Metallic materials—Method of test for the determination of quasistatic fracture toughness of welds

Referenced Standards

GB/T 21143-2007 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 21143-2014 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 21143-2025 Metallic materials—Unified method of test for determination of quasistatic fracture toughness

Adopt standards

ISO 15653:2018

Related Standards

GB/T 1814-1979 Active

GB/T 1814-1979 Inspection method for steel work fractures

Publish Date: 1979-12-29

GB/T 2107-1980 Replaced

GB/T 2107-1980 Metal material—Twisting fatigue test

Publish Date: 1980-12-09

GB/T 3075-1982 Replaced

GB/T 3075-1982 Method of axial force controlled fatigue testing of metals

Publish Date: 1982-05-10

GB/T 3373-1982 Replaced

GB/T 3373-1982 Rims for tractors, agricultural and forestry machines

Publish Date: 1982-12-29

GB/T 3771-1983 Active

GB/T 3771-1983 Conversion of hardness and strength for copper alloys

Publish Date: 1983-06-22

GB/T 4105-1983 abolished_transferred

GB/T 4105-1983 Test method for sag of tungsten wire

Publish Date: 1983-12-27