NiTi-Polyimide Composites Prepared Using Thermal Imidization Process

被引：5

作者：

Vokoun, D. ^{[1
]}

Sysel, P. ^{[2
]}

Heller, L. ^{[1
]}

Kaderavek, L. ^{[1
,3
]}

Svatuska, M. ^{[1
,4
]}

Goryczka, T. ^{[5
]}

Kafka, V. ^{[6
]}

Sittner, P. ^{[1
]}

机构：

[1] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic

[2] Univ Chem & Technol, Dept Polymers, Prague, Czech Republic

[3] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Dept Mat, Prague, Czech Republic

[4] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic

[5] Silesian Univ, Inst Mat Sci, Katowice, Poland

[6] Acad Sci Czech Republic, Inst Theoret & Appl Mech, Prague, Czech Republic

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2016年 / 25卷 / 05期

关键词：

actuator; composite; model; NiTi; polyimide; residual stress; LOW-TEMPERATURE; THIN-FILMS; EXPANSION; SUBSTRATE; BEHAVIOR;

D O I：

10.1007/s11665-016-2019-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We manufactured NiTi plate-polyimide composite samples and analyzed their thermomechanical behavior. The residual stresses formed in the composite result from the shift of transformation temperatures and shape changes during thermal cycling. We demonstrate the use of finite element analysis for modeling the shape changes. The shape changes result from the difference in coefficients of thermal expansion and from the changes of Young's modulus and of the coefficient of thermal expansion in the NiTi shape memory alloy.

引用

页码：1993 / 1999

页数：7

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