Plastic deformation of the C14 Laves phase (Fe,Ni)2Nb

被引：48
|
作者：
Takata, N. [1 ]
Armaki, H. Ghassemi [2 ]
Terada, Y. [1 ]
Takeyama, M. [1 ]
Kumar, K. S. [2 ]
机构：
[1] Tokyo Inst Technol, Dept Met & Ceram Sci, Tokyo 1528552, Japan
[2] Brown Univ, Sch Engn, Providence, RI 02912 USA
来源：
SCRIPTA MATERIALIA | 2013年 / 68卷 / 08期
基金：
日本科学技术振兴机构;
关键词：
Laves phases; Slip; Dislocations; Micropillars; NB TERNARY-SYSTEM; ELEVATED-TEMPERATURES; MECHANICAL-PROPERTIES; ALLOY; TRANSFORMATIONS; EQUILIBRIA; BEHAVIOR; PILLARS;
D O I：
10.1016/j.scriptamat.2012.12.019
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Single-crystal micropillar specimens of a hexagonal Laves phase (Fe,Ni)(2)Nb, produced by focused ion beam milling, demonstrated plastic deformation in compression at room temperature by slip. Specifically, if dislocation sources are introduced in the pillars, or are previously present, plastic deformation proceeds in these small volumes in the absence of local tensile stresses that can be present in macroscopic specimens. Thus, this approach enables the fundamental mechanical properties of this important class of brittle materials to be extracted. (c) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：615 / 618
页数：4
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