GB/T 3879-1983
Replaced
GB/T 3488.4-2022
Active
National standards
GB/T 3488.4-2022 Hardmetals—Metallographic determination of microstructure—Part 4:Characterisation of porosity,carbon defects and eta-phase content
GB/T 3488.4-2022 Hardmetals—Metallographic determination of microstructure—Part 4:Characterisation of porosity,carbon defects and eta-phase content
Basic Information
Standard Code:
GB/T 3488.4-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2022-10-12
Implement Date:
2022-10-12
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国有色金属标准化技术委员会(SAC/TC 243)
Pages:
11 pages
Scope
本文件规定了硬质合金中孔隙度、非化合碳缺陷和脱碳相的金相测定方法，包括存在、类型以及分布。
Development Information
Drafting Units:
厦门金鹭特种合金有限公司、株洲硬质合金集团有限公司、深圳市注成科技股份有限公司、南昌硬质合金有限责任公司、崇义章源钨业股份有限公司、国合通用(青岛)测试评价有限公司、国标(北京)检验认证有限公司、国家钨与稀土产品质量检验检测中心、广东省科学院工业分析检测中心
Drafting Persons:
邹建平、樊智锐、张淑彬、林小璇、罗海辉、梁鸿、张越、周永贵、黄帅、张方、徐国钻、钟志强、崔文明、王伟伟、刘淑凤、张丽民、李亚军、余音宏、伍超群、马文花
Referenced Standards
Adopt standards
ISO 4499-4:2016
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced