Higher Order Asymptotic Solution for an Interfacial Crack in Piezoelectric Bimaterial under Impact
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概要
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This paper investigates the asymptotic transient structure of the near-tip field in an anisotropic piezoelectric bimaterial system under impact loading. By using an asymptotic methodology, the goveming equation is reduced to a series of coupled partial differential equations. Using the extended version of Stroh's formulation and the method of analytical continuation, the problem is further recast into a Riemann-Hilbert problem of vector form. Upon solving the Riemann-Hilbert equation, the higher order near-tip transient asymptotic fields are obtained. For a bimaterial of PZT and PZT-4 piezoelectric ceramics, the direct and converse piezoelectric effects on the stress intensity factors and electric displacement intensity factors are clarified.
- 社団法人日本材料学会の論文
- 2001-09-15
著者
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Nishioka Toshihisa
Department Of Ocean Mechanical Engineering Kobe University Of Mercantile Marine
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Nishioka Toshihisa
Department Of Ocean Electro-mechanical Engineering Kobe University Of Mercantile Marine
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SHEN Shengping
Department of Ocean Mechanical Engineering, Kobe University of Mercantile Marine
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Shen S
Department Of Ocean Mechanical Engineering Kobe University Of Mercantile Marine
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Nishioka Toshihisa
Department of Ocean Mechanical Engineering, Kobe University of Mercantile Marine
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