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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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PZT铁电陶瓷力电耦合的三维相场模拟
, PP. 927-932
Keywords: 铁电材料,力电耦合,三维相场模拟,畴变
Abstract:
利用三维相场理论模拟了铁电材料的自发极化、电滞回线以及力电耦合对畴变的影响.结果表明,外场下的畴变是通过新畴形核及畴壁移动所引起的长大实现的.逐渐改变外场时,在矫顽场附近各类电畴均发生90°畴变,从而导致极化强度突变.沿垂直电场方向加拉、压应变能阻止或促进沿电场方向的畴变.
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