GB/T 3879-1983
Replaced
GB/T 37561-2019
Active
National standards
GB/T 37561-2019 Standard practice for de-agglomeration of refractory metal powders and their compounds prior to particle size analysis
GB/T 37561-2019 Standard practice for de-agglomeration of refractory metal powders and their compounds prior to particle size analysis
Basic Information
Standard Code:
GB/T 37561-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical properties of metals
ICS Name:
Powder metallurgy
Publish Date:
2019-06-04
Implement Date:
2020-05-01
Publisher:
国家市场监督管理总局、中国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:
5 pages
Scope
本标准规定了难熔金属及其化合物粉末在粒度测定之前的分散处理规则。
本标准适用于钨、钼、铼、钽及碳化钨等难熔金属及化合物粉末的分散处理，其他的金属粉末（或碳化物、氮化物）也可参照本标准进行分散处理。
Development Information
Drafting Units:
株洲硬质合金集团有限公司、安泰天龙(天津)钨钼科技有限公司、崇义章源钨业股份有限公司、深圳市注成科技股份有限公司、中南大学、广东省工业分析检测中心
Drafting Persons:
张卫东、彭宇、梁鸿、章秋霖、郭雪琪、曾洁、张越、周鹏
Referenced Standards
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