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Materials 2009, 2(3), 958-977;

Design, Fabrication, and Properties of High Damping Metal Matrix Composites—A Review

Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
Author to whom correspondence should be addressed.
Received: 30 July 2009 / Revised: 14 August 2009 / Accepted: 17 August 2009 / Published: 18 August 2009
(This article belongs to the Special Issue Composite Materials)
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Nowadays it is commonly considered that high damping materials which have both the good mechanical properties as structural materials and the high damping capacity for vibration damping are the most direct vibration damping solution. In metals and alloys however, exhibiting simultaneously high damping capacity and good mechanical properties has been noted to be normally incompatible because the microscopic mechanisms responsible for internal friction (namely damping capacity) are dependent upon the parameters that control mechanical strength. To achieve a compromise, one of the most important methods is to develop two-phase composites, in which each phase plays a specific role: damping or mechanical strength. In this review, we have summarized the development of the design concept of high damping composite materials and the investigation of their fabrication and properties, including mechanical and damping properties, and suggested a new design concept of high damping composite materials where the hard ceramic additives exhibit high damping capacity at room temperature owing to the stress-induced reorientation of high density point defects in the ceramic phases and the high damping capacity of the composite comes mainly from the ceramic phases. View Full-Text
Keywords: metal matrix composite; high damping; internal friction metal matrix composite; high damping; internal friction

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MDPI and ACS Style

Lu, H.; Wang, X.; Zhang, T.; Cheng, Z.; Fang, Q. Design, Fabrication, and Properties of High Damping Metal Matrix Composites—A Review. Materials 2009, 2, 958-977.

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