Fabrication and Damping Behavior of Barium Titanate Reinforced Copper Matrix Composites

Asare, T. A.; Schultz, Jeff; Poquette, B. D.; Aning, A.; Kampe, S. L.

doi:10.1002/9780470291238.ch32

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“…Some piezoelectric materials such as BaTiO 3 PZT (Pb(ZrTi)O 3 ) and LiNbO 3 have been focussed and considered as the new reinforcements for developing high-damping composites. The piezoelectric powder has been successfully added to fabricate Al-matrix composites as the reinforcement, realizing the high-damping capacities [6][7][8][9]. Besides, based on the experimental and theoretical studies, some novel properties of piezoelectric materials could also be observed with decreasing grain size, and there existed the decrease of dielectric constant and the multiphase coexistence in fine-grained BaTiO 3 powder [10,11].…”

Section: Introductionmentioning

confidence: 99%

A study on the damping capacity of BaTiO3-reinforced Al-matrix composites

Xiao

2016

Bull Mater Sci

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To study the damping capacity of BaTiO 3 /Al composites, Al composites reinforced with BaTiO 3 powder (average grain sizes: 100 and 1000 nm) were fabricated by the hot-pressing sintering method. The damping properties of pure Al and BaTiO 3 /Al composites were investigated and compared based on the dynamic mechanical analysis over a wide range of temperatures (50-285 • C). Compared with pure Al matrix, 1000 nm BaTiO 3 /Al composites with 5 and 10% mass fractions of BaTiO 3 exhibited better damping capacity. For 100 nm BaTiO 3 /Al composite, its damping capacity is slightly higher than that of pure Al below 145 • C, while it becomes lower above this degree. The damping capacity enhancement of BaTiO 3 /Al composites can be explained by the ferroelastic domain damping. Furthermore, 5 and 10% BaTiO 3 /Al composites have higher bending strength and hardness than pure Al sample.

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Section: Introductionmentioning

confidence: 99%

A study on the damping capacity of BaTiO3-reinforced Al-matrix composites

Xiao

2016

Bull Mater Sci

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Fabrication and Damping Behavior of Barium Titanate Reinforced Copper Matrix Composites

Cited by 1 publication

References 0 publications

A study on the damping capacity of BaTiO3-reinforced Al-matrix composites

A study on the damping capacity of BaTiO3-reinforced Al-matrix composites

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