MICROSTRUCTURE, DEFORMATION, AND FRACTURE CHARACTERISTICS OF AN AL67PD8TI25 INTERMETALLIC ALLOY

被引：40

作者：

POWERS, WO ^{[1
]}

WERT, JA ^{[1
]}

机构：

[1] UNIV VIRGINIA,SCH ENGN & APPL SCI,DEPT MAT SCI,CHARLOTTESVILLE,VA 22903

来源：

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1990年 / 21卷 / 01期

关键词：

D O I：

10.1007/BF02656432

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Microstructure, indentation, and fracture characteristics of an intermetallic alloy with nominal composition Al67Pd8Ti25 have been investigated. Following a homogenization anneal at 1323 K, the material consists primarily of a phase having the Ll2 crystal structure. This phase is analogous to the π phase previously reported in (Al,X)3Ti alloys, where X represents Ni, Cu, Zn, or Fe substituted for Al in Al3Ti. The deformation and fracture characteristics of Al67Pd8Ti25 are similar to those previously reported for Al67Ni8Ti25: Vickers hardness is moderate, plastic deformation occurs by a0 «110» 111 slip, and fracture in bending occurs by transgranular cleavage with no evidence of associated plasticity. © 1990 The Metallurgical of Society of AIME.

引用

页码：145 / 151

页数：7

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