publication . Article . Patent . 2004

Piezoelectric ceramic-reinforced metal matrix composites

Stephen L Kampe; Jeffrey Patrick Schultz; Alexander O. Aning; Adam Goff; Jennifer Franklin;
Open Access
  • Published: 21 May 2004 Journal: The Journal of the Acoustical Society of America, volume 121, page 1,837 (issn: 0001-4966, Copyright policy)
  • Publisher: Acoustical Society of America (ASA)
  • Country: United States
Composite materials comprising piezoelectric ceramic particulates dispersed in a metal matrix are capable of vibration damping. When the piezoelectric ceramic particulates are subjected to strain, such as the strain experienced during vibration of the material, they generate an electrical voltage that is converted into Joule heat in the surrounding metal matrix, thereby dissipating the vibrational energy. The piezoelectric ceramic particulates may also act as reinforcements to improve the mechanical properties of the composites. The composite materials may be used in various structural components in vehicles, aircraft, spacecraft, buildings and tools.
Persistent Identifiers
free text keywords: 310/327, C22C32/00, H01L41/183, Matrix (mathematics), Joule heating, Spacecraft, business.industry, business, Materials science, Voltage, Vibration, Piezoelectricity, Ceramic, visual_art.visual_art_medium, visual_art, Composite material, Metal
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