Numerical modeling of shape memory alloy plates considering tension/compression asymmetry and its verification under pure bending. (April 2018)

• Record Type: Journal Article
• Authors: Kim, Young-Jin; Lee, Chang-Ho; Kim, Joung-Hun; Lim, Jae Hyuk
• Is Part Of: International journal of solids and structures. Volume 136/137(2018)
• Page Start: 77
• Page End: 88
• Publication Date: 2018-04
• Subjects: Shape memory alloy plate -- ABAQUS UMAT -- Shape memory effect -- Recovery force -- Pure bending -- Tension-compression asymmetry; Mechanics, Applied -- Periodicals; Structural analysis (Engineering) -- Periodicals; Elastic solids -- Periodicals; Mécanique appliquée -- Périodiques; Constructions, Théorie des -- Périodiques; Solides élastiques -- Périodiques; Elastic solids; Mechanics, Applied; Structural analysis (Engineering); Periodicals; 624.18
• DOI: 10.1016/j.ijsolstr.2017.12.004
• Languages: English
• ISSNs: 0020-7683

Abstract

Abstract: In this work, a numerical model of a SMA plate reflecting the tension/compression asymmetry of axial stress under pure bending was developed and verified experimentally. To achieve the goal, ABAQUS user-material (UMAT) based on the Brinson model with modified martensite transformation kinetics was proposed with the Drucker–Prager yield criterion to realize the tension/compression symmetry of SMA. To demonstrate the performance of the proposed model, we conducted several predictions on the recovery bending moment with temperature variation with diverse thicknesses under various strain conditions. These results were compared with pure bending test results obtained by a test device that can simulate a pure bending state for maximum 4% axial strain with uniform deformation curvature.