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Damping Capacities of B/Al Composite Subjected to Thermal-Mechanical Cycling

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Abstract:

The damping capacities of B/Al composite subjected to thermal-mechanical cycling (TMC) were studied. The damping capacities, including the mechanical loss Q-1 and the logarithmic decrement δ , increase with increasing the TMC cycles. The damping capacities of B/Al composite increase more greatly under the elevated applied stresses at the same temperature interval and cycles. After the TMC, the damping capacities can increase 10 times than that of as-fabricated B/Al composite. The damping behavior of B/Al composite under the present test condition is primarily associated with the interfacial degradation during the TMC.

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Periodical:

Materials Science Forum (Volumes 561-565)

Pages:

679-682

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.561-565.679

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Online since:

October 2007

Authors:

Yao Chun Qin, S.Y. He

Keywords:

B/Al Composite, Damping Capacities, Thermal-Mechanical Cycling

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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