| ELECTROELASTIC FIELD FOR AN IMPERMEABLE ANTI-PLANE SHEAR CRACK IN A PIEZOELECTRIC CERAMICS PLATE |
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| 作者姓名： | 李显方 范天佑 |
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| 作者单位： | LI Xian_fang，FAN Tian_you (1 College of Science，Hunan Normal University，Changsha 410081，P R China; 2 Research Center for Materials Science，Beijing Institute of Technology，Beijing 100081，P R China) (Communicated by TANG Ren_ji) |
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| 摘 要： | ＩｎｔｒｏｄｕｃｔｉｏｎＤｕｅｔｏｔｈｅｉｎｔｒｉｎｓｉｃｃｏｕｐｌｉｎｇｃｈａｒａｃｔｅｒｉｓｔｉｃｓｂｅｔｗｅｅｎｅｌｅｃｔｒｉｃａｎｄｅｌａｓｔｉｃｂｅｈａｖｉｏｒｓ,ｔｈａｔｉｓ,ａｐｐｌｉｅｄｍｅｃｈａｎｉｃａｌｌｏａｄｉｎｇｐｒｏｄｕｃｅｓｅｌａｓｔｉｃｄｅｆｏｒｍａｔｉｏｎ ,ａｓｗｅｌｌａｓｅｌｅｃｔｒｉｃｆｉｅｌｄ ,ａｎｄｃｏｎｖｅｒｓｅｌｙｅｌｅｃｔｒｉｃｆｉｅｌｄｃａｎｇｉｖｅｒｉｓｅｔｏｅｌａｓｔｉｃｄｅｆｏｒｍａｔｉｏｎ ,ｐｉｅｚｏｅｌｅｃｔｒｉｃｍａｔｅｒｉａｌｓｈａｖｅ…
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| 收稿时间： | 2000-06-20 |
Electroelastic field for an impermeable anti-plane shear crack in a piezoelectric ceramics plate |
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| LI Xian-fang Professor, Doctor,Fan Tian-you.ELECTROELASTIC FIELD FOR AN IMPERMEABLE ANTI-PLANE SHEAR CRACK IN A PIEZOELECTRIC CERAMICS PLATE[J].Applied Mathematics and Mechanics(English Edition),2002,23(2):194-202. |
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| Authors: | LI Xian-fang Professor Doctor Fan Tian-you |
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| Institution: | 1. College of Science, Hunan Normal University, Changsha,410081, P R China
2. Research Center for Materials Science, Beijing Institute of Technology,Beijing,100081, P R China |
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| Abstract: | Electroelastic behavior of a cracked piezoelectric ceramics plate subjected to four cases of combined mechanical-electrical Ioads is analyzed. The integral transform method is applied to convert the problem involving an impermeable anti-plane crack to dual integral equations . Solving the resulting equations, the explicit analytic expressions for electroelastic field along the crack line and the intensity factors of relevant quantities near the crack tip and the mechanical strain energy release rate are obtained. The known results for an infinite piezoelectric ceramics plane containing an impermeable anti-plane crack are recoveredfrom the present results only if the thickness of the plate h → ∞. |
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| Keywords: | piezoelectric ceramics electroelastic field anti_plane shear problem impermeable crack |
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