A Novel TiNi/AlSi Composite with High Strength and High Damping Capacity

J Mater Sci Technol ›› 2008, Vol. 24 ›› Issue (06): 903-906.

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A Novel TiNi/AlSi Composite with High Strength and High Damping Capacity

Shuwei LIU, Xiuyan LI, Desheng YAN, Haichang JIANG, Lijian RONG

Institute of Metal Research, Chinese Academy of Science, Shenyang 110016, China

Received:2007-07-02 Revised:2007-12-29 Online:2008-11-28 Published:2009-10-10
Contact: Lijian RONG

Abstract

Abstract: A novel TiNi/AlSi composite with high compressive strength and high damping capacity was obtained by infiltrating Al-12%Si alloy into porous TiNi alloy. It had been found that the high compressive strength (440 MPa) of TiNi/AlSi composite is due to the increase of effective carrying area after infiltrating Al-12%Si alloy, while the high damping capacity is contributed to TiNi carcass, Al-12%Si filling material and micro-slipping at the interface.

Key words: Damping capacity, Internal friction, TiNi/AlSi composite, Compressive strength

Shuwei LIU, Xiuyan LI, Desheng YAN, Haichang JIANG, Lijian RONG. A Novel TiNi/AlSi Composite with High Strength and High Damping Capacity[J]. J Mater Sci Technol, 2008, 24(06): 903-906.

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A Novel TiNi/AlSi Composite with High Strength and High Damping Capacity

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