Microstructural and high-temperature cyclic oxidation response of NiCoCrAlY coatings with and without SiC + ZrB2 reactive-element dispenser
•The SiC-ZrB2 can be used as a reactive-element (Si) compound dispenser.•Silicon behaves as a reactive-element reducing the oxidation.•Coatings with 1 % SiC-ZrB2 displayed thinner TGO layers and a lower oxidation rate.•Silicon seems to promote the stabilization of α-Al2O3 at earlier stages of oxidat...
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| Veröffentlicht in: | Corrosion science 2021-08, Vol.189, p.109617, Article 109617 |
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| creator | Vásquez Hernández, Gabriel Israel González Albarrán, Marco Aurelio Rodríguez de Anda, Eduardo Díaz Guillen, Juan Carlos Jiménez Alemán, Omar Portilla Zea, Karla Guadalupe Olmos, Luis |
| description | •The SiC-ZrB2 can be used as a reactive-element (Si) compound dispenser.•Silicon behaves as a reactive-element reducing the oxidation.•Coatings with 1 % SiC-ZrB2 displayed thinner TGO layers and a lower oxidation rate.•Silicon seems to promote the stabilization of α-Al2O3 at earlier stages of oxidation.
In this study, the microstructural and cyclic-oxidation evolution behavior of bond coats (BC) containing SiC + ZrB2 dispersed particles were evaluated. The SiC + ZrB2 dispersed particles at the oxidation temperature of 1130 °C, dissolved at early stages, stabilizing the beta phase, diminishing the aluminum outward diffusion. The silicon at the BC/TC interface, or very close to it, behaved as a reactive element promoting the rapid formation and stabilization of α-Al2O3 (TGO), and a second scale layer of mixed oxides and silicon-rich compounds, jointly limiting inward oxygen diffusion and resulting in thinner TGO layers, whose kinetic oxidation follows a sub-parabolic behavior, increasing oxidation life-span. |
| doi_str_mv | 10.1016/j.corsci.2021.109617 |
| format | Article |
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In this study, the microstructural and cyclic-oxidation evolution behavior of bond coats (BC) containing SiC + ZrB2 dispersed particles were evaluated. The SiC + ZrB2 dispersed particles at the oxidation temperature of 1130 °C, dissolved at early stages, stabilizing the beta phase, diminishing the aluminum outward diffusion. The silicon at the BC/TC interface, or very close to it, behaved as a reactive element promoting the rapid formation and stabilization of α-Al2O3 (TGO), and a second scale layer of mixed oxides and silicon-rich compounds, jointly limiting inward oxygen diffusion and resulting in thinner TGO layers, whose kinetic oxidation follows a sub-parabolic behavior, increasing oxidation life-span.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2021.109617</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Aluminum oxide ; Beta phase ; Cycling oxidation ; Diffusion layers ; High temperature ; Interfaces ; Intermetallics ; Mixed oxides ; Oxidation ; Refractory materials ; Scale (corrosion) ; Silicon carbide ; Silicon compounds ; XRD ; Zirconium compounds</subject><ispartof>Corrosion science, 2021-08, Vol.189, p.109617, Article 109617</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Aug 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c283t-91d6412500002746071e9cbfd30279b27f04a8363c3802ebf8aa5df76851cb5f3</cites><orcidid>0000-0001-7399-2643 ; 0000-0002-1802-7979</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0010938X21003838$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Vásquez Hernández, Gabriel Israel</creatorcontrib><creatorcontrib>González Albarrán, Marco Aurelio</creatorcontrib><creatorcontrib>Rodríguez de Anda, Eduardo</creatorcontrib><creatorcontrib>Díaz Guillen, Juan Carlos</creatorcontrib><creatorcontrib>Jiménez Alemán, Omar</creatorcontrib><creatorcontrib>Portilla Zea, Karla Guadalupe</creatorcontrib><creatorcontrib>Olmos, Luis</creatorcontrib><title>Microstructural and high-temperature cyclic oxidation response of NiCoCrAlY coatings with and without SiC + ZrB2 reactive-element dispenser</title><title>Corrosion science</title><description>•The SiC-ZrB2 can be used as a reactive-element (Si) compound dispenser.•Silicon behaves as a reactive-element reducing the oxidation.•Coatings with 1 % SiC-ZrB2 displayed thinner TGO layers and a lower oxidation rate.•Silicon seems to promote the stabilization of α-Al2O3 at earlier stages of oxidation.
In this study, the microstructural and cyclic-oxidation evolution behavior of bond coats (BC) containing SiC + ZrB2 dispersed particles were evaluated. The SiC + ZrB2 dispersed particles at the oxidation temperature of 1130 °C, dissolved at early stages, stabilizing the beta phase, diminishing the aluminum outward diffusion. The silicon at the BC/TC interface, or very close to it, behaved as a reactive element promoting the rapid formation and stabilization of α-Al2O3 (TGO), and a second scale layer of mixed oxides and silicon-rich compounds, jointly limiting inward oxygen diffusion and resulting in thinner TGO layers, whose kinetic oxidation follows a sub-parabolic behavior, increasing oxidation life-span.</description><subject>Aluminum oxide</subject><subject>Beta phase</subject><subject>Cycling oxidation</subject><subject>Diffusion layers</subject><subject>High temperature</subject><subject>Interfaces</subject><subject>Intermetallics</subject><subject>Mixed oxides</subject><subject>Oxidation</subject><subject>Refractory materials</subject><subject>Scale (corrosion)</subject><subject>Silicon carbide</subject><subject>Silicon compounds</subject><subject>XRD</subject><subject>Zirconium compounds</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OxCAUhYnRxHH0DVyQuDQdgba03Zho418y6kJN1A1h6O0Mk06pQP15Bl9aal27Ag7nnJv7IXRIyYwSyk_WM2WsU3rGCKNBKjjNttCE5lkRkaTg22hCCCVREefPu2jPuTUhhAVlgr5vtbLGedsr31vZYNlWeKWXq8jDpgMrgwpYfalGK2w-dSW9Ni224DrTOsCmxne6NKU9a16wMuG3XTr8of3qt2m4mN7jB13iY_xqz1mISuX1O0TQwAZajyvtOghddh_t1LJxcPB3TtHT5cVjeR3N769uyrN5pFge-6igFU8oS8mwRJZwklEo1KKu4vAsFiyrSSLzmMcqzgmDRZ1LmVZ1xvOUqkVax1N0NPZ21rz14LxYm962YaRgKaeUJHHOgysZXQMfZ6EWndUbab8EJWLALtZixC4G7GLEHmKnYwzCBu8arAgOaBVU2oLyojL6_4If98OOow</recordid><startdate>20210815</startdate><enddate>20210815</enddate><creator>Vásquez Hernández, Gabriel Israel</creator><creator>González Albarrán, Marco Aurelio</creator><creator>Rodríguez de Anda, Eduardo</creator><creator>Díaz Guillen, Juan Carlos</creator><creator>Jiménez Alemán, Omar</creator><creator>Portilla Zea, Karla Guadalupe</creator><creator>Olmos, Luis</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><orcidid>https://orcid.org/0000-0001-7399-2643</orcidid><orcidid>https://orcid.org/0000-0002-1802-7979</orcidid></search><sort><creationdate>20210815</creationdate><title>Microstructural and high-temperature cyclic oxidation response of NiCoCrAlY coatings with and without SiC + ZrB2 reactive-element dispenser</title><author>Vásquez Hernández, Gabriel Israel ; González Albarrán, Marco Aurelio ; Rodríguez de Anda, Eduardo ; Díaz Guillen, Juan Carlos ; Jiménez Alemán, Omar ; Portilla Zea, Karla Guadalupe ; Olmos, Luis</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c283t-91d6412500002746071e9cbfd30279b27f04a8363c3802ebf8aa5df76851cb5f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aluminum oxide</topic><topic>Beta phase</topic><topic>Cycling oxidation</topic><topic>Diffusion layers</topic><topic>High temperature</topic><topic>Interfaces</topic><topic>Intermetallics</topic><topic>Mixed oxides</topic><topic>Oxidation</topic><topic>Refractory materials</topic><topic>Scale (corrosion)</topic><topic>Silicon carbide</topic><topic>Silicon compounds</topic><topic>XRD</topic><topic>Zirconium compounds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vásquez Hernández, Gabriel Israel</creatorcontrib><creatorcontrib>González Albarrán, Marco Aurelio</creatorcontrib><creatorcontrib>Rodríguez de Anda, Eduardo</creatorcontrib><creatorcontrib>Díaz Guillen, Juan Carlos</creatorcontrib><creatorcontrib>Jiménez Alemán, Omar</creatorcontrib><creatorcontrib>Portilla Zea, Karla Guadalupe</creatorcontrib><creatorcontrib>Olmos, Luis</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>Vásquez Hernández, Gabriel Israel</au><au>González Albarrán, Marco Aurelio</au><au>Rodríguez de Anda, Eduardo</au><au>Díaz Guillen, Juan Carlos</au><au>Jiménez Alemán, Omar</au><au>Portilla Zea, Karla Guadalupe</au><au>Olmos, Luis</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructural and high-temperature cyclic oxidation response of NiCoCrAlY coatings with and without SiC + ZrB2 reactive-element dispenser</atitle><jtitle>Corrosion science</jtitle><date>2021-08-15</date><risdate>2021</risdate><volume>189</volume><spage>109617</spage><pages>109617-</pages><artnum>109617</artnum><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>•The SiC-ZrB2 can be used as a reactive-element (Si) compound dispenser.•Silicon behaves as a reactive-element reducing the oxidation.•Coatings with 1 % SiC-ZrB2 displayed thinner TGO layers and a lower oxidation rate.•Silicon seems to promote the stabilization of α-Al2O3 at earlier stages of oxidation.
In this study, the microstructural and cyclic-oxidation evolution behavior of bond coats (BC) containing SiC + ZrB2 dispersed particles were evaluated. The SiC + ZrB2 dispersed particles at the oxidation temperature of 1130 °C, dissolved at early stages, stabilizing the beta phase, diminishing the aluminum outward diffusion. The silicon at the BC/TC interface, or very close to it, behaved as a reactive element promoting the rapid formation and stabilization of α-Al2O3 (TGO), and a second scale layer of mixed oxides and silicon-rich compounds, jointly limiting inward oxygen diffusion and resulting in thinner TGO layers, whose kinetic oxidation follows a sub-parabolic behavior, increasing oxidation life-span.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2021.109617</doi><orcidid>https://orcid.org/0000-0001-7399-2643</orcidid><orcidid>https://orcid.org/0000-0002-1802-7979</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Aluminum oxide Beta phase Cycling oxidation Diffusion layers High temperature Interfaces Intermetallics Mixed oxides Oxidation Refractory materials Scale (corrosion) Silicon carbide Silicon compounds XRD Zirconium compounds |
| title | Microstructural and high-temperature cyclic oxidation response of NiCoCrAlY coatings with and without SiC + ZrB2 reactive-element dispenser |
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