In situ synchrotron investigation of the deformation behavior of nanolamellar Ti5Si3/TiNi composite

被引：24

作者：

Jiang, Daqiang ^{[1
]}

Hao, Shijie ^{[1
]}

Zhang, Junsong ^{[1
]}

Liu, Yinong ^{[2
]}

Ren, Yang ^{[3
]}

Cui, Lishan ^{[1
]}

机构：

[1] China Univ Petr, Dept Mat Sci & Engn, Beijing 102249, Peoples R China

[2] Univ Western Australia, Sch Mech & Chem Engn, Crawley, WA 6009, Australia

[3] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA

来源：

SCRIPTA MATERIALIA | 2014年 / 78-79卷

基金：

中国国家自然科学基金; 澳大利亚研究理事会;

关键词：

Composites; Shape memory alloy; NiTi; Synchrotron; Strain matching; NITI-TIC COMPOSITES; SHAPE-MEMORY COMPOSITE; MARTENSITE REORIENTATION; MECHANICAL-PROPERTIES; MATRIX COMPOSITE; ELASTIC STRAIN; ALLOY; STRENGTH; TRANSFORMATION; TEMPERATURE;

D O I：

10.1016/j.scriptamat.2014.01.034

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An in situ nanolamellar Ti5Si3/TiNi composite is prepared by arc melting based on the design principle of load sharing between a hard component and a phase transforming matrix. The composite showed a compressive strength of similar to 2.5 GPa and a fracture strain of similar to 35%. In situ synchrotron X-ray diffraction analysis revealed stage-wise load transfer between the two components and the achievement of 2.1% lattice elastic strain of the brittle ceramic compound Ti5Si3, demonstrating the effectiveness of strain matching design. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：53 / 56

页数：4

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