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Influence of porosity characteristics in MgO.ZrO2-GG coating subjected to thermal loading

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dc.contributor.authors Mimaroglu, A; Kocabicak, U; Genc, S;
dc.date.accessioned 2020-01-13T07:56:58Z
dc.date.available 2020-01-13T07:56:58Z
dc.date.issued 1997
dc.identifier.citation Mimaroglu, A; Kocabicak, U; Genc, S; (1997). Influence of porosity characteristics in MgO.ZrO2-GG coating subjected to thermal loading. MATERIALS & DESIGN, 18, 80-77
dc.identifier.issn 0261-3069
dc.identifier.uri https://hdl.handle.net/20.500.12619/2411
dc.identifier.uri https://www.sciencedirect.com/science/article/pii/S0261306997000423
dc.description.abstract In this investigation, coupled (thermal and structure) finite-element analysis has been employed to analyse the influences of porosity volume, size and distribution in MgO.ZrO2-GG coating subjected to thermal loading. Coatings with and without NiAl interlayer material were modeled. All models had a 1/10 coating-to-substrate thickness ratio and a porosity ratio of 3% and 7%. The porosity location and distribution were also considered and modeled. Thermal stresses at the vulnerable areas (film/substrate) were obtained and compared. The results showed that the volume, size, location and distribution of the porosity have a significant influence on the level of the developed thermal stresses. In the case of MgO.ZrO2-GG coatings the optimum low-level stresses are developed with 7% small-size uniformly-distributed porosity allocated far away from the coating surface. (C) 1997 Elsevier Science Ltd. All rights reserved.
dc.language English
dc.publisher ELSEVIER SCI LTD
dc.subject Materials Science
dc.title Influence of porosity characteristics in MgO.ZrO2-GG coating subjected to thermal loading
dc.type Article
dc.identifier.volume 18
dc.identifier.startpage 77
dc.identifier.endpage 80
dc.contributor.department Sakarya Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü
dc.contributor.saüauthor Mimaroğlu, Abdullah
dc.contributor.saüauthor Kocabıçak, Ümit
dc.relation.journal MATERIALS & DESIGN
dc.identifier.wos WOS:000071383100004
dc.contributor.author Mimaroğlu, Abdullah
dc.contributor.author Kocabıçak, Ümit


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