A comparative analysis of different shape memory alloy actuator configurations

被引：8
|
作者：
Monteiro, Paulo Cesar C. [1 ]
da Silva Monteiro, Luciana Loureiro [2 ]
Savi, Marcelo A. [3 ]
Netto, Theodoro Antoun [1 ]
Pacheco, Pedro M. C. L. [2 ]
de Paiva, Tamara [2 ]
机构：
[1] Univ Fed Rio de Janeiro, COPPE Dept Ocean Engn, Rio De Janeiro, Brazil
[2] CEFET RJ, Dept Mech Engn, Rio De Janeiro, Brazil
[3] Univ Fed Rio de Janeiro, COPPE Dept Mech Engn, Ctr Nonlinear Mech, POB 68-503, BR-21941972 Rio De Janeiro, Brazil
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2017年 / 28卷 / 11期
关键词：
Shape memory alloys; actuators; finite element method; CONSTITUTIVE MODEL; TRANSFORMATION; FABRICATION;
D O I：
10.1177/1045389X16672571
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Shape memory alloys are attractive engineering materials due to their potential application as actuators using the ability to memorize shapes through a thermomechanical loading. This article develops a numerical investigation of different shape memory alloy actuator configurations considering bias and antagonistic arrangements. Numerical simulations are carried out using the finite element method together with a constitutive model for shape memory alloys. Parametric analysis is carried out evaluating the performance of each actuator configuration based on stress and strain. Basically, four representative configurations of general actuators are treated: shape memory alloy wire, linear spring connected to a shape memory alloy wire, two elastic springs connected by a shape memory alloy wire, and two shape memory alloy wires connected by a spring.
引用
收藏
页码：1415 / 1427
页数：13
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