GB/T 1423-1996
Active
GB/T 31309-2014
Replaced
National standards
GB/T 31309-2014 Calculation of electoron vacancy number in nickel-base superalloys
GB/T 31309-2014 Calculation of electoron vacancy number in nickel-base superalloys
Basic Information
Standard Code:
GB/T 31309-2014
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Metallographic examination methods
ICS Name:
Other testing methods for metal materials
Publish Date:
2015-12-05
Implement Date:
2015-09-01
Pages:
9 pages
Scope
This standard specifies the calculation principles, calculation steps, calculation methods, and result evaluation for the electron vacancy count of nickel-based high-temperature alloys and their castings.
This standard is applicable to the calculation of the electron vacancy count of nickel-based high-temperature alloys, providing a basis for evaluating the microstructural stability of nickel-based cast high-temperature alloys.
Development Information
Superseded by the following standards
Related Standards
GB/T 1424-1996
Active
GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys
GB/T 1425-1996
Replaced
GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis
GB/T 17433-1998
Replaced
GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products
GB/T 4334.1-2000
Replaced
GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels
GB/T 4334.2-2000
Replaced