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Temperature-dependence of mechanical properties of open-cell titanium foam

Liu, Xuebin, Ma, Mo, Wang, Xiufeng, Wu, Xueqing, Lin, Jianguo and Wen, Cuie 2008, Temperature-dependence of mechanical properties of open-cell titanium foam, Rare metal materials and engineering, vol. 37, no. 2, pp. 277-280.

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Title Temperature-dependence of mechanical properties of open-cell titanium foam
Author(s) Liu, Xuebin
Ma, Mo
Wang, Xiufeng
Wu, Xueqing
Lin, Jianguo
Wen, Cuie
Journal name Rare metal materials and engineering
Volume number 37
Issue number 2
Start page 277
End page 280
Total pages 4
Publisher Xibei Youse Jinshu Yanjiuyuan
Place of publication Beijing, China
Publication date 2008
ISSN 1002-185X
Keyword(s) Open-cell titanium foams
Relative density
Temperature-dependence
Summary An open-cell titanium foam with relative density of 0.2 was prepared by powder metallurgical process. The compressive mechanical properties of the foam at the different temperatures in the range of 20-600°C were measured and the temperature-dependence of its mechanical properties was discussed. The results indicate that the foam material exhibit fragile fracture characteristic at room temperature. When it is deformed over 200°C, the stress-strain curves exhibit plastic deformation characteristic, including three distinct regions: the linear elasticity region, the plastic collapse region, and the densification region. The Young's modulus, yield stress and elastic limit decrease with increasing of temperature. The temperature-dependence of these properties can be expressed as E*=1.5217 × 10 9-5.988 × 10 5T, σ cl*=85.7-0.095T, σ ys*=99.1-0.167V7.02 × 10 -5T 2 respectively.
Language chi
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Xibei Youse Jinshu Yanjiuyuan
Persistent URL http://hdl.handle.net/10536/DRO/DU:30065151

Document type: Journal Article
Collection: Institute for Frontier Materials
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