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

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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.

Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

679-682

DOI:

10.4028/www.scientific.net/MSF.561-565.679

Citation:

Y. C. Qin and S.Y. He, "Damping Capacities of B/Al Composite Subjected to Thermal-Mechanical Cycling", Materials Science Forum, Vols. 561-565, pp. 679-682, 2007

Online since:

October 2007

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$35.00

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