MECHANICAL, ELASTIC, AND STRUCTURAL-PROPERTIES OF ALLOYS OF RU-TA HIGH-TEMPERATURE INTERMETALLIC COMPOUNDS

被引：9
|
作者：
FLEISCHER, RL [1 ]
FIELD, RD [1 ]
BRIANT, CL [1 ]
机构：
[1] GE AIRCRAFT ENGINES,EVENDALE,OH 45215
来源：
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1991年 / 22卷 / 01期
关键词：
D O I：
10.1007/BF03350955
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Screening tests of binary high-temperature intermetallic compounds showed the Ru-Ta L1(0) structure to have room-temperature impact resistance and high-temperature strength. Twenty alloys based on Ru11 Ta9 have been studied for microhardness, elastic modulus, impact strength, and, in two cases, compressional stress-strain behavior. L1(0) lamallae are commonly seen, and their character on fracture surfaces correlates with relative toughness. The B2 phase is present in some alloys, also a twinned lamellar structure, and the beginnings of a martensitic transformation to the L1(2) form were observed in the transmission electron microscope at 93 K.
引用
收藏
页码：129 / 137
页数：9
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