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ZHONG Zengyong , ZO U Dunxu , LI Shiqiong (Central Iron and Steel Research Institute , Beijing 100081 . China)
金属学报(英文版)
Recent work on Ti_3Al base alloy,TAC-1, developed in CISRI, including investigations of effects of modification in alloying and TMP on microstructural characteristics and mechanical behaviour,indicates that alloy TAC -1 is very promising structural material for a number of elevated temperature appli...
关键词: : Ti_3Al , null , null
张跃 , 褚武扬 , 袁润章 , 王燕斌 , 欧阳世翕 , 肖纪美
金属学报
Ｔｉ－２４Ａｌ－１１Ｎｂ合金在室温下恒载荷动态充氢以及交变载荷动态充氢时，氢通过促进裂纹在滑移面上的解理，促进了裂纹扩展。不连续的氢致解理裂纹优先在α_２相形核，α_２／β相界面是裂纹扩展的有效障碍。氢通过促进裂尖位错的发射、解理微裂纹在无位错区（ＤＦＺ）的形核以及解理裂纹的扩展，导致氢致解理断裂
关键词: Ｔｉ_３Ａｌ , intermetallic compound , hydrogen induced crack , mechanism
