ASTM E1820-17被替代
Standard Test Method for Measurement of Fracture Toughness
出版：American Society for Testing and Materials
專家解讀視頻
基本信息
標準編號： ASTM E1820-17
發(fā)布時間：2017/6/1 0:00:00
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數(shù)：53
標準簡介
1.1?These test methods cover the determination of the Rockwell hardness and the Rockwell superficial hardness of metallic materials by the Rockwell indentation hardness principle. This standard provides the requirements for Rockwell hardness machines and the procedures for performing Rockwell hardness tests.
