GB/T 38769-2020金属材料预裂纹夏比试样冲击加载断裂韧性的测定标准
英文:Metallic materials-Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces...
英文:Metallic materials-Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces...