OALib Journal期刊
ISSN: 2333-9721
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约束态TiNi形状记忆合金丝可逆形状响应应变和响应力的分析模型
, PP. 775-779
Keywords: TiNi,形状记忆合金,智能复合材料
Abstract:
建立了TiNi形状记忆合金(SAM)主导的金属基或聚合物基智能复合材料中TiNi丝形状响应应变和响应力的分析模型,并进行了计算分析和实验考察,计算和实验结果符合良好结果表明,当基体预定曲率km一定时,随TiNiSMA丝数量n增加,智能复合材料的形状响应应变ε和响应力F增加,形状回复率ρ减小;随基体宽度b增加,ε和F皆减小,而ρ则增加当b一定时,随n增加,ε和F皆增加;随κm增加,F增加,ε则基本保持不变.因此,设计该类智能复合材料时应综合考虑增强材料数量、基体尺寸及其预变形量等因素.
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