GB/T 3488.4-2022
Hardmetals—Metallographic determination of microstructure—Part 4: Characterisation of porosity, carbon defects and eta-phase content (English Version)

Standard No.

GB/T 3488.4-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 3488.4-2022

Scope

This document specifies the metallographic determination of porosity, non-combined carbon defects and decarburization phases in cemented carbides, including their presence, type and distribution.

GB/T 3488.4-2022 Referenced Document

• GB/T 3488.2-2018 Hardmetals.Metallographic determination of microstructure.Part 2:Measurement of WC grain size

GB/T 3488.4-2022 history

• 2022 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 -All Parts