https://scholars.lib.ntu.edu.tw/handle/123456789/424943
標題: | Some Considerations of Determination of Residual Stresses and Young's Moduli in Ceramic Coatings | 作者: | CHUN-HWAY HSUEH | 關鍵字: | bending;coatings;stress;substrates;Young's modulus | 公開日期: | 1991 | 卷: | 74 | 期: | 7 | 起(迄)頁: | 1646-1649 | 來源出版物: | Journal of the American Ceramic Society | 摘要: | Residual stresses that develop during cooling of a ceramic coating/substrate strip are considered. Bending occurs because of an asymmetric stress distribution in the strip. In the presence of residual stresses, strains induced on the surfaces of the coating and the substrate are analyzed when (1) the coating?substrate interface exhibits a transition from a bonded to a debonded state, and (2) a bending moment is applied to straighten the strip. The result shows that both the residual stress and Young's modulus in the ceramic coating can be determined from the surface strains due to either interfacial debonding or strip straightening, Young's modulus of the substrate, and the thicknesses of the coating and the substrate. Copyright ? 1991, Wiley Blackwell. All rights reserved |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/424943 | ISSN: | 00027820 | DOI: | 10.1111/j.1151-2916.1991.tb07153.x |
顯示於: | 材料科學與工程學系 |
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