OS0911 Finite Element Analysis of Transformation and Plastic Deformation in Shape Memory Alloy under Cyclic Thermomechanical Loadings

• MIYANISHI Tomohiro

  Department of Mechanical Engineering, Iwate University

• NISHIMURA Fumihito

  Department of Mechanical Engineering, Iwate University

Bibliographic Information

Other Title

• OS0911 くり返し熱・力学的負荷のもとでの形状記憶合金の塑性・変態挙動の有限要素解析

Abstract

Shape memory alloys are known to exhibit shape memory effect and pseudo elastic effect. The alloys show two-way shape memory effect which is spontaneous deformation during thermal cycling without applied stress after appropriate thermomechanical cyclic loading. In this study, a polycrystalline finite element method which is able to take into account plastic slip and martensitic transformation is used to analyze the stress strain-temperature behavior under cyclic thermomechanical loading. Numerical results show that the origin of two-way shape memory effect is the local stress field induced by accumulation of plastic strain during thermomechanical cyclic loading.

Journal

• The Proceedings of the Materials and Mechanics Conference

  The Proceedings of the Materials and Mechanics Conference 2012 (0), _OS0911-1_-_OS0911-3_, 2012

  The Japan Society of Mechanical Engineers

Keywords

• Shape Memory Alloy
• Polycrystalline Finite Element Method
• Two-Way Shape Memory Effect

Details

• CRID: 1390001205872025600
• NII Article ID: 110009937401
• DOI: 10.1299/jsmemm.2012._os0911-1_
• ISSN: 24242845
• Web Site: https://www.jstage.jst.go.jp/article/jsmemm/2012/0/2012__OS0911-1_/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed