GB/T 31309-2014
Calculation of electoron vacancy number in nickel-base superalloys (English Version)

Standard No.

GB/T 31309-2014

Language

Chinese, Available in English version

Release Date

2015

Published By

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

Status

Be replaced 2021-01

Replace By

GB/T 31309-2020

Latest

GB/T 31309-2020

Scope

This standard specifies the calculation principle, calculation steps, calculation methods and result evaluation of the master alloy of nickel-based superalloy and its castings. This standard applies to the calculation of electron vacancies in nickel-based superalloys, and provides a basis for evaluating the microstructure stability of nickel-based cast superalloys.

GB/T 31309-2014 history

• 2020 GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys
• 2015 GB/T 31309-2014 Calculation of electoron vacancy number in nickel-base superalloys