Design of multi-state and smart-bias components using Shape Memory Alloy and Shape Memory Polymer composites

被引：73

作者：

Ghosh, Pritha ^{[1
]}

Rao, Ashwin ^{[1
]}

Srinivasa, Arun R. ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA

来源：

MATERIALS & DESIGN | 2013年 / 44卷

基金：

美国国家科学基金会;

关键词：

ACTUATORS; SMP;

D O I：

10.1016/j.matdes.2012.05.063

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A Multifunctional Smart Material System (MSMS) consists of two or more different smart material phases in the form of a hybrid system, in which every phase performs a different but necessary function. In this work, thermally responsive Shape Memory Alloys (SMAs) and Shape Memory Polymers (SMPs) are combined to form a MSMS. The transformation temperatures martensitic start (M-s), martensitic finish (M-f), austenitic start (A(s)) and austenitic finish (A(f)) of SMA and the glass transition (T-g) for the SMP play a critical role in designing such a MSMS. Multi-state smart bias systems with varying stiffnesses can be obtained by varying the T-g of SMP between the transformation temperatures M-f and A(f) of SMA. Guidelines to form such MSMS have been established by estimating the volume fractions of the individual constituents. Various ideas for "smart-bias" tools/devices have been proposed, such that they can operate under three different temperature regimes, with one material constituent being passive and the other active at a given temperature. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：164 / 171

页数：8

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