GB/T 24177-2009
ActiveStandard test methods for characterizing duplex grain sizes
双重晶粒度表征与测定方法
Application Summary AI generated
This standard specifies test methods for characterizing and measuring duplex grain sizes in metallic materials, where two distinct grain size populations coexist. It is applied in the metallurgical industry for quality control and material characterization of steels, superalloys, and other alloys used in critical components like turbine disks, pipelines, and structural parts. The standard ensures consistent evaluation of mixed grain structures, which directly impact mechanical properties such as strength, toughness, and fatigue resistance.
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