Modeling stress evolution in porous ceramics subjected to molten silicate infiltration and corrosion
•A model of corrosion failure in porous ceramics is proposed.•The coupled effects of infiltration, corrosion, and deformation are considered.•The corrosion process and delamination mechanism of TBCs are successfully predicted.•Cracks tend to initiate from the side edges of TBCs columns at the infilt...
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| Veröffentlicht in: | Corrosion science 2021-10, Vol.191, p.109698, Article 109698 |
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| container_title | Corrosion science |
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| creator | Liu, Z.Y. Yang, L. Zhou, Q.Q. Zhou, Y.C. Yan, G. |
| description | •A model of corrosion failure in porous ceramics is proposed.•The coupled effects of infiltration, corrosion, and deformation are considered.•The corrosion process and delamination mechanism of TBCs are successfully predicted.•Cracks tend to initiate from the side edges of TBCs columns at the infiltration interface.
Corrosion failure leads to huge economic losses and potential safety issues in many fields. With a focus on corrosion failure in porous ceramics infiltrated by molten silicates, we developed a mechanical model based on thermodynamic laws that considers infiltration, diffusion, corrosion, and deformation. The model was used to analyze the failure mechanism of thermal barrier coatings (TBCs) corroded by molten silicates. The modeled corrosion process was consistent with experimental results. The delamination mechanism of TBCs due to corrosion was successfully revealed. The model has great potential in analyzing corrosion failure in porous ceramics. |
| doi_str_mv | 10.1016/j.corsci.2021.109698 |
| format | Article |
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Corrosion failure leads to huge economic losses and potential safety issues in many fields. With a focus on corrosion failure in porous ceramics infiltrated by molten silicates, we developed a mechanical model based on thermodynamic laws that considers infiltration, diffusion, corrosion, and deformation. The model was used to analyze the failure mechanism of thermal barrier coatings (TBCs) corroded by molten silicates. The modeled corrosion process was consistent with experimental results. The delamination mechanism of TBCs due to corrosion was successfully revealed. The model has great potential in analyzing corrosion failure in porous ceramics.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2021.109698</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Ceramics ; Corrosion ; Corrosion mechanisms ; Corrosion potential ; Economic impact ; Failure analysis ; Failure mechanisms ; Infiltration ; Molten silicates ; Silicates ; Thermal barrier coatings ; Thermodynamics</subject><ispartof>Corrosion science, 2021-10, Vol.191, p.109698, Article 109698</ispartof><rights>2021</rights><rights>Copyright Elsevier BV Oct 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-2adec59ef4684aed32ef824cdfff18d7cc42c6bd73a6ebc0dab6f509952fbacf3</citedby><cites>FETCH-LOGICAL-c334t-2adec59ef4684aed32ef824cdfff18d7cc42c6bd73a6ebc0dab6f509952fbacf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0010938X21004649$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Liu, Z.Y.</creatorcontrib><creatorcontrib>Yang, L.</creatorcontrib><creatorcontrib>Zhou, Q.Q.</creatorcontrib><creatorcontrib>Zhou, Y.C.</creatorcontrib><creatorcontrib>Yan, G.</creatorcontrib><title>Modeling stress evolution in porous ceramics subjected to molten silicate infiltration and corrosion</title><title>Corrosion science</title><description>•A model of corrosion failure in porous ceramics is proposed.•The coupled effects of infiltration, corrosion, and deformation are considered.•The corrosion process and delamination mechanism of TBCs are successfully predicted.•Cracks tend to initiate from the side edges of TBCs columns at the infiltration interface.
Corrosion failure leads to huge economic losses and potential safety issues in many fields. With a focus on corrosion failure in porous ceramics infiltrated by molten silicates, we developed a mechanical model based on thermodynamic laws that considers infiltration, diffusion, corrosion, and deformation. The model was used to analyze the failure mechanism of thermal barrier coatings (TBCs) corroded by molten silicates. The modeled corrosion process was consistent with experimental results. The delamination mechanism of TBCs due to corrosion was successfully revealed. The model has great potential in analyzing corrosion failure in porous ceramics.</description><subject>Ceramics</subject><subject>Corrosion</subject><subject>Corrosion mechanisms</subject><subject>Corrosion potential</subject><subject>Economic impact</subject><subject>Failure analysis</subject><subject>Failure mechanisms</subject><subject>Infiltration</subject><subject>Molten silicates</subject><subject>Silicates</subject><subject>Thermal barrier coatings</subject><subject>Thermodynamics</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouH78Aw8Bz12TtM0mF0EWv2DFi4K3kCYTSek2a5Iu-O_NWs-ehhned-adB6ErSpaUUH7TL02IyfglI4yWkeRSHKEFFStZkUbyY7QghJJK1uLjFJ2l1BNCWJkskH0JFgY_fuKUI6SEYR-GKfswYj_iXYhhSthA1FtvEk5T14PJYHEOeBuGDCNOfvBGZyh654cc9a9ZjxaXUDGk0l2gE6eHBJd_9Ry9P9y_rZ-qzevj8_puU5m6bnLFtAXTSnANF40GWzNwgjXGOueosCtjGmZ4Z1e15tAZYnXHXUukbJnrtHH1Obqe9-5i-JogZdWHKY7lpGKtICsmWi6KqplVpqRLEZzaRb_V8VtRog48Va9mnurAU808i-12tkH5YO8hqqKA0YD1sTBRNvj_F_wAzqOEdw</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Liu, Z.Y.</creator><creator>Yang, L.</creator><creator>Zhou, Q.Q.</creator><creator>Zhou, Y.C.</creator><creator>Yan, G.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>202110</creationdate><title>Modeling stress evolution in porous ceramics subjected to molten silicate infiltration and corrosion</title><author>Liu, Z.Y. ; Yang, L. ; Zhou, Q.Q. ; Zhou, Y.C. ; Yan, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-2adec59ef4684aed32ef824cdfff18d7cc42c6bd73a6ebc0dab6f509952fbacf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Ceramics</topic><topic>Corrosion</topic><topic>Corrosion mechanisms</topic><topic>Corrosion potential</topic><topic>Economic impact</topic><topic>Failure analysis</topic><topic>Failure mechanisms</topic><topic>Infiltration</topic><topic>Molten silicates</topic><topic>Silicates</topic><topic>Thermal barrier coatings</topic><topic>Thermodynamics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Z.Y.</creatorcontrib><creatorcontrib>Yang, L.</creatorcontrib><creatorcontrib>Zhou, Q.Q.</creatorcontrib><creatorcontrib>Zhou, Y.C.</creatorcontrib><creatorcontrib>Yan, G.</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Z.Y.</au><au>Yang, L.</au><au>Zhou, Q.Q.</au><au>Zhou, Y.C.</au><au>Yan, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling stress evolution in porous ceramics subjected to molten silicate infiltration and corrosion</atitle><jtitle>Corrosion science</jtitle><date>2021-10</date><risdate>2021</risdate><volume>191</volume><spage>109698</spage><pages>109698-</pages><artnum>109698</artnum><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>•A model of corrosion failure in porous ceramics is proposed.•The coupled effects of infiltration, corrosion, and deformation are considered.•The corrosion process and delamination mechanism of TBCs are successfully predicted.•Cracks tend to initiate from the side edges of TBCs columns at the infiltration interface.
Corrosion failure leads to huge economic losses and potential safety issues in many fields. With a focus on corrosion failure in porous ceramics infiltrated by molten silicates, we developed a mechanical model based on thermodynamic laws that considers infiltration, diffusion, corrosion, and deformation. The model was used to analyze the failure mechanism of thermal barrier coatings (TBCs) corroded by molten silicates. The modeled corrosion process was consistent with experimental results. The delamination mechanism of TBCs due to corrosion was successfully revealed. The model has great potential in analyzing corrosion failure in porous ceramics.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2021.109698</doi></addata></record> |
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| issn | 0010-938X 1879-0496 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Ceramics Corrosion Corrosion mechanisms Corrosion potential Economic impact Failure analysis Failure mechanisms Infiltration Molten silicates Silicates Thermal barrier coatings Thermodynamics |
| title | Modeling stress evolution in porous ceramics subjected to molten silicate infiltration and corrosion |
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