標題: ASTM B 934-2004 用顯微硬度測量鐵粉末冶金(P/M)部件有效... [打印本頁] 作者: 兌水 時間: 2009-9-15 15:33 標題: ASTM B 934-2004 用顯微硬度測量鐵粉末冶金(P/M)部件有效... B934-04 Standard Test Method for Effective Case Depth of Ferrous Powder Metallurgy (P/M) Parts Using Microindentation Hardness Measurements