GB/T 31309-2014
Calculation of electoron vacancy number in nickel-base superalloys
2021-01
- Standard No.
- GB/T 31309-2014
- Language
- Chinese
- Release Date
- 2015
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 31309-2020
- Lastest
- 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