{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T04:19:12Z","timestamp":1787631552039,"version":"build-2736575974"},"reference-count":43,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2025,7,17]],"date-time":"2025-07-17T00:00:00Z","timestamp":1752710400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007219","name":"Shanghai Natural Science Foundation","doi-asserted-by":"publisher","award":["24ZR1401700"],"award-info":[{"award-number":["24ZR1401700"]}],"id":[{"id":"10.13039\/100007219","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007219","name":"Shanghai Natural Science Foundation","doi-asserted-by":"publisher","award":["25ZR1402003"],"award-info":[{"award-number":["25ZR1402003"]}],"id":[{"id":"10.13039\/100007219","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007219","name":"Shanghai Natural Science Foundation","doi-asserted-by":"publisher","award":["KZ571801"],"award-info":[{"award-number":["KZ571801"]}],"id":[{"id":"10.13039\/100007219","id-type":"DOI","asserted-by":"publisher"}]},{"name":"National Key Laboratory of High Energy Beam Processing Technology Fund","award":["24ZR1401700"],"award-info":[{"award-number":["24ZR1401700"]}]},{"name":"National Key Laboratory of High Energy Beam Processing Technology Fund","award":["25ZR1402003"],"award-info":[{"award-number":["25ZR1402003"]}]},{"name":"National Key Laboratory of High Energy Beam Processing Technology Fund","award":["KZ571801"],"award-info":[{"award-number":["KZ571801"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>In composites, fiber\u2013matrix thermal mismatch induces stress heterogeneity that is beyond the resolution of macroscopic approaches. The asymptotic expansion homogenization method is used to create a multi-scale thermo-mechanical coupling model that predicts the elastic modulus, thermal expansion coefficients, and thermal conductivity of ceramic matrix composites at both the macro- and micro-scales. These predictions are verified to be accurate with a maximum relative error of 9.7% between the measured and predicted values. The multi-scale analysis method is then used to guide the vane\u2019s thermal stress analysis, and a macro\u2013meso\u2013micro multi-scale model is created. The thermal stress distribution and stress magnitudes of the guide vane under a transient high-temperature load are investigated. The results indicate that the temperature and thermal stress distributions of the guide vane under the homogenization and lamination theory models are rather comparable, and the locations of the maximum thermal stress are predicted to be reasonably close to one another. The homogenization model allows for the rapid and accurate prediction of the guide vane\u2019s thermal stress distribution. When compared to the macro-scale stress values, the meso-scale predicted stress levels exhibit excellent accuracy, with an inaccuracy of 11.7%. Micro-scale studies reveal significant stress concentrations at the fiber\u2013matrix interface, which is essential for the macro-scale fatigue and fracture behavior of the guide vane.<\/jats:p>","DOI":"10.3390\/ma18143348","type":"journal-article","created":{"date-parts":[[2025,7,17]],"date-time":"2025-07-17T10:33:47Z","timestamp":1752748427000},"page":"3348","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Multi-Scale Transient Thermo-Mechanical Coupling Analysis Method for the SiCf\/SiC Composite Guide Vane"],"prefix":"10.3390","volume":"18","author":[{"given":"Min","family":"Li","sequence":"first","affiliation":[{"name":"Hunan Aviation Powerplant Research Institute, Aero Engine Corporation of China, Zhuzhou 412000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xue","family":"Chen","sequence":"additional","affiliation":[{"name":"Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Deng","sequence":"additional","affiliation":[{"name":"Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenjun","family":"Wang","sequence":"additional","affiliation":[{"name":"Hunan Aviation Powerplant Research Institute, Aero Engine Corporation of China, Zhuzhou 412000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Li","sequence":"additional","affiliation":[{"name":"Hunan Aviation Powerplant Research Institute, Aero Engine Corporation of China, Zhuzhou 412000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-0630-9119","authenticated-orcid":false,"given":"Evance","family":"Obara","sequence":"additional","affiliation":[{"name":"Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-4681-3158","authenticated-orcid":false,"given":"Zhilin","family":"Han","sequence":"additional","affiliation":[{"name":"College of Physics, Donghua University, Shanghai 201620, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7109-7730","authenticated-orcid":false,"given":"Chuyang","family":"Luo","sequence":"additional","affiliation":[{"name":"Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,7,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"061001","DOI":"10.1115\/1.4046547","article-title":"Erosion testing of environmental barrier-coated ceramic matrix composite and its behavior on an aero-engine turbine vane under particle-laden hot gas stream","volume":"142","author":"Okita","year":"2020","journal-title":"J. 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