Microstructure and properties of titanium and Ti-6Al-4V with and without TiCp reinforcement deformed by transformation superplasticity

被引：0
|
作者：
Schuh, C [1 ]
Zimmer, W [1 ]
Dunand, DC [1 ]
机构：
[1] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
来源：
CREEP BEHAVIOR OF ADVANCED MATERIALS FOR THE 21ST CENTURY | 1999年
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D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Transformation superplasticity, whereby large failure strains are produced by thermally cycling a material about a solid-state phase transformation under the action of an applied stress, was investigated for Ti and Ti-6Al-4V as well as Ti/TiCP and Ti-6Al-4V/TiCP composites. The plastic strain accumulated on each thermal cycle about the transformation range of the matrix is measured as a function of applied stress. The results are discussed in the framework of existing continuum mechanics-based models. Microstructural evolution during superplastic deformation is studied and related to the roam temperature tensile properties of deformed specimens.
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页码：61 / 70
页数：10
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