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Transversely isotropic MREs containing chain-like magnetic particle structures particularly exhibit enhanced mechanical and actuation properties compared with their isotropic counterparts. Employing nonlinear continuum mechanics framework together with finite strain theory, this study develops a physics-based constitutive model to predict the coupled magneto\u2013mechanical\u2013thermal behavior of such materials. In this formulation, the deformation gradient, magnetic induction, temperature, and particle-chain orientation are treated as independent variables in defining the total Helmholtz free energy function. In addition to the proposed theoretical framework, a series of experimental tests are performed for model validation and parameter identification. The overall behavior of transversely isotropic MREs is subsequently examined under different particle-chain orientations and loading conditions. For the cylindrical MRE specimen, the results show that the material stiffness increases with both magnetic field strength and temperature, and exhibits a peak response at a particle-chain tilt angle of approximately 45\u00b0 relative to the axial direction.<\/jats:p>","DOI":"10.1177\/1045389x261432516","type":"journal-article","created":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T10:47:28Z","timestamp":1774349248000},"page":"1027-1038","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["A coupled magneto\u2013mechanical\u2013thermal constitutive model for transversely isotropic magnetorheological elastomers verified by experimental validation"],"prefix":"10.1177","volume":"37","author":[{"given":"Amin","family":"Saber","sequence":"first","affiliation":[{"name":"Department of Mechanical, Industrial and Aerospace, Concordia University, Montreal, QC, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9223-6878","authenticated-orcid":false,"given":"Ramin","family":"Sedaghati","sequence":"additional","affiliation":[{"name":"Department of Mechanical, Industrial and Aerospace, Concordia University, Montreal, QC, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,3,24]]},"reference":[{"key":"e_1_3_2_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/1045389X15580658"},{"key":"e_1_3_2_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/1045389X20986995"},{"key":"e_1_3_2_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.matdes.2018.08.009"},{"key":"e_1_3_2_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00419-020-01778-0"},{"key":"e_1_3_2_6_1","doi-asserted-by":"publisher","DOI":"10.1142\/S0217979202012499"},{"key":"e_1_3_2_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40430-025-05433-z"},{"key":"e_1_3_2_8_1","doi-asserted-by":"publisher","DOI":"10.1177\/1045389X21990888"},{"key":"e_1_3_2_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00707-009-0193-0"},{"key":"e_1_3_2_10_1","doi-asserted-by":"publisher","DOI":"10.1177\/1045389X221113065"},{"key":"e_1_3_2_11_1","doi-asserted-by":"publisher","DOI":"10.3390\/act11060157"},{"key":"e_1_3_2_12_1","doi-asserted-by":"publisher","DOI":"10.1177\/1045389X231188608"},{"key":"e_1_3_2_13_1","doi-asserted-by":"publisher","DOI":"10.3390\/mi13040492"},{"key":"e_1_3_2_14_1","doi-asserted-by":"crossref","unstructured":"Gong D Yang F Qian W et al. 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