Formation of diffusion barrier coating on superalloy 690 substrate and its stability in borosilicate melt at elevated temperature
► Thick Cr2O3 layer forms at borosilicate glass/superalloy 690 interface. ► Thin Al2O3 layer forms on aluminized and thermally oxidized superalloy 690. ► Good stability of aluminized alloy with Al2O3 layer found in borosilicate melt. ► Glass composition modified at coating/glass interface. ► Some Al...
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| Veröffentlicht in: | Journal of nuclear materials 2013-01, Vol.432 (1-3), p.72-77 |
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| creator | Dutta, R.S. Yusufali, C. Paul, B. Majumdar, S. Sengupta, P. Mishra, R.K. Kaushik, C.P. Kshirsagar, R.J. Kulkarni, U.D. Dey, G.K. |
| description | ► Thick Cr2O3 layer forms at borosilicate glass/superalloy 690 interface. ► Thin Al2O3 layer forms on aluminized and thermally oxidized superalloy 690. ► Good stability of aluminized alloy with Al2O3 layer found in borosilicate melt. ► Glass composition modified at coating/glass interface. ► Some Al enrichment in glass phase occurs with little Ni and subtle Cr.
Aluminized and thermally oxidized superalloy 690 substrates forming Al2O3 layer on (NiCr)Al+Cr5Al8 types aluminides and bare substrates were exposed in sodium borosilicate melt at 1248K for 192h. SEM–EDXS analysis along the cross-section of bare substrate with adhered glass revealed formation of a continuous, thick Cr2O3 layer at the substrate/glass interface due to its low solubility in borosilicate melt. XRD on aluminide coated and thermally oxidized specimen revealed existence of Al2O3 along with NiAl and Cr5Al8 type phases after the exposure in borosilicate melt. SEM–EDXS analysis along the cross-section of aluminide coated and thermally oxidized sample with adhered glass indicated good stability of coating in borosilicate melt without any phase formation at the coating/glass interface. However, some Al enrichment in glass phase adjacent to interface was noticed without any significant Ni or Cr enrichment. |
| doi_str_mv | 10.1016/j.jnucmat.2012.08.012 |
| format | Article |
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Aluminized and thermally oxidized superalloy 690 substrates forming Al2O3 layer on (NiCr)Al+Cr5Al8 types aluminides and bare substrates were exposed in sodium borosilicate melt at 1248K for 192h. SEM–EDXS analysis along the cross-section of bare substrate with adhered glass revealed formation of a continuous, thick Cr2O3 layer at the substrate/glass interface due to its low solubility in borosilicate melt. XRD on aluminide coated and thermally oxidized specimen revealed existence of Al2O3 along with NiAl and Cr5Al8 type phases after the exposure in borosilicate melt. SEM–EDXS analysis along the cross-section of aluminide coated and thermally oxidized sample with adhered glass indicated good stability of coating in borosilicate melt without any phase formation at the coating/glass interface. However, some Al enrichment in glass phase adjacent to interface was noticed without any significant Ni or Cr enrichment.</description><identifier>ISSN: 0022-3115</identifier><identifier>EISSN: 1873-4820</identifier><identifier>DOI: 10.1016/j.jnucmat.2012.08.012</identifier><identifier>CODEN: JNUMAM</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Aluminides ; Applied sciences ; Borosilicate ; Borosilicate glasses ; Coating ; Controled nuclear fusion plants ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; Fission nuclear power plants ; Fuels ; Glass ; Installations for energy generation and conversion: thermal and electrical energy ; Intermetallic compounds ; Intermetallics ; Melts ; Nuclear fuels ; Phases</subject><ispartof>Journal of nuclear materials, 2013-01, Vol.432 (1-3), p.72-77</ispartof><rights>2012 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-174d67103d4c172e5fd40bc4de85530bad4086ebfc8ae2709c30060e13c7945d3</citedby><cites>FETCH-LOGICAL-c405t-174d67103d4c172e5fd40bc4de85530bad4086ebfc8ae2709c30060e13c7945d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jnucmat.2012.08.012$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26736282$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Dutta, R.S.</creatorcontrib><creatorcontrib>Yusufali, C.</creatorcontrib><creatorcontrib>Paul, B.</creatorcontrib><creatorcontrib>Majumdar, S.</creatorcontrib><creatorcontrib>Sengupta, P.</creatorcontrib><creatorcontrib>Mishra, R.K.</creatorcontrib><creatorcontrib>Kaushik, C.P.</creatorcontrib><creatorcontrib>Kshirsagar, R.J.</creatorcontrib><creatorcontrib>Kulkarni, U.D.</creatorcontrib><creatorcontrib>Dey, G.K.</creatorcontrib><title>Formation of diffusion barrier coating on superalloy 690 substrate and its stability in borosilicate melt at elevated temperature</title><title>Journal of nuclear materials</title><description>► Thick Cr2O3 layer forms at borosilicate glass/superalloy 690 interface. ► Thin Al2O3 layer forms on aluminized and thermally oxidized superalloy 690. ► Good stability of aluminized alloy with Al2O3 layer found in borosilicate melt. ► Glass composition modified at coating/glass interface. ► Some Al enrichment in glass phase occurs with little Ni and subtle Cr.
Aluminized and thermally oxidized superalloy 690 substrates forming Al2O3 layer on (NiCr)Al+Cr5Al8 types aluminides and bare substrates were exposed in sodium borosilicate melt at 1248K for 192h. SEM–EDXS analysis along the cross-section of bare substrate with adhered glass revealed formation of a continuous, thick Cr2O3 layer at the substrate/glass interface due to its low solubility in borosilicate melt. XRD on aluminide coated and thermally oxidized specimen revealed existence of Al2O3 along with NiAl and Cr5Al8 type phases after the exposure in borosilicate melt. SEM–EDXS analysis along the cross-section of aluminide coated and thermally oxidized sample with adhered glass indicated good stability of coating in borosilicate melt without any phase formation at the coating/glass interface. However, some Al enrichment in glass phase adjacent to interface was noticed without any significant Ni or Cr enrichment.</description><subject>Aluminides</subject><subject>Applied sciences</subject><subject>Borosilicate</subject><subject>Borosilicate glasses</subject><subject>Coating</subject><subject>Controled nuclear fusion plants</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Fission nuclear power plants</subject><subject>Fuels</subject><subject>Glass</subject><subject>Installations for energy generation and conversion: thermal and electrical energy</subject><subject>Intermetallic compounds</subject><subject>Intermetallics</subject><subject>Melts</subject><subject>Nuclear fuels</subject><subject>Phases</subject><issn>0022-3115</issn><issn>1873-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkU-L1TAUxYMo-Bz9CEI2gpvWm6Rp05XI4PyBATe6DmlyK3mkzTNJB97Sb27Ke7id1eUkv3MuySHkI4OWAeu_HNvjutnFlJYD4y2oto5X5MDUIJpOcXhNDgCcN4Ix-Za8y_kIAHIEeSB_72KqTh9XGmfq_DxveReTScljojbWy_U3rUd5O2EyIcQz7UeocsolmYLUrI76kmkuZvLBlzP1NSCmmKuyO7FgKNQUigGfq3a04LKHlS3he_JmNiHjh-u8Ib_uvv-8fWieftw_3n57amwHsjRs6Fw_MBCus2zgKGfXwWQ7h0pKAZOpUvU4zVYZ5AOMVgD0gEzYYeykEzfk8yX3lOKfDXPRi88WQzArxi1rVlNGxYSSL6Oil4yzDkRF5QW19bk54axPyS8mnTUDvbejj_rajt7b0aB0HdX36brCZGvCnMxqff5v5v0geq527uuFw_o1z7URna3H1aLzCW3RLvoXNv0D5GCp1g</recordid><startdate>201301</startdate><enddate>201301</enddate><creator>Dutta, R.S.</creator><creator>Yusufali, C.</creator><creator>Paul, B.</creator><creator>Majumdar, S.</creator><creator>Sengupta, P.</creator><creator>Mishra, R.K.</creator><creator>Kaushik, C.P.</creator><creator>Kshirsagar, R.J.</creator><creator>Kulkarni, U.D.</creator><creator>Dey, G.K.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7QF</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>201301</creationdate><title>Formation of diffusion barrier coating on superalloy 690 substrate and its stability in borosilicate melt at elevated temperature</title><author>Dutta, R.S. ; Yusufali, C. ; Paul, B. ; Majumdar, S. ; Sengupta, P. ; Mishra, R.K. ; Kaushik, C.P. ; Kshirsagar, R.J. ; Kulkarni, U.D. ; Dey, G.K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-174d67103d4c172e5fd40bc4de85530bad4086ebfc8ae2709c30060e13c7945d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Aluminides</topic><topic>Applied sciences</topic><topic>Borosilicate</topic><topic>Borosilicate glasses</topic><topic>Coating</topic><topic>Controled nuclear fusion plants</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Fission nuclear power plants</topic><topic>Fuels</topic><topic>Glass</topic><topic>Installations for energy generation and conversion: thermal and electrical energy</topic><topic>Intermetallic compounds</topic><topic>Intermetallics</topic><topic>Melts</topic><topic>Nuclear fuels</topic><topic>Phases</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dutta, R.S.</creatorcontrib><creatorcontrib>Yusufali, C.</creatorcontrib><creatorcontrib>Paul, B.</creatorcontrib><creatorcontrib>Majumdar, S.</creatorcontrib><creatorcontrib>Sengupta, P.</creatorcontrib><creatorcontrib>Mishra, R.K.</creatorcontrib><creatorcontrib>Kaushik, C.P.</creatorcontrib><creatorcontrib>Kshirsagar, R.J.</creatorcontrib><creatorcontrib>Kulkarni, U.D.</creatorcontrib><creatorcontrib>Dey, G.K.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of nuclear materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dutta, R.S.</au><au>Yusufali, C.</au><au>Paul, B.</au><au>Majumdar, S.</au><au>Sengupta, P.</au><au>Mishra, R.K.</au><au>Kaushik, C.P.</au><au>Kshirsagar, R.J.</au><au>Kulkarni, U.D.</au><au>Dey, G.K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of diffusion barrier coating on superalloy 690 substrate and its stability in borosilicate melt at elevated temperature</atitle><jtitle>Journal of nuclear materials</jtitle><date>2013-01</date><risdate>2013</risdate><volume>432</volume><issue>1-3</issue><spage>72</spage><epage>77</epage><pages>72-77</pages><issn>0022-3115</issn><eissn>1873-4820</eissn><coden>JNUMAM</coden><abstract>► Thick Cr2O3 layer forms at borosilicate glass/superalloy 690 interface. ► Thin Al2O3 layer forms on aluminized and thermally oxidized superalloy 690. ► Good stability of aluminized alloy with Al2O3 layer found in borosilicate melt. ► Glass composition modified at coating/glass interface. ► Some Al enrichment in glass phase occurs with little Ni and subtle Cr.
Aluminized and thermally oxidized superalloy 690 substrates forming Al2O3 layer on (NiCr)Al+Cr5Al8 types aluminides and bare substrates were exposed in sodium borosilicate melt at 1248K for 192h. SEM–EDXS analysis along the cross-section of bare substrate with adhered glass revealed formation of a continuous, thick Cr2O3 layer at the substrate/glass interface due to its low solubility in borosilicate melt. XRD on aluminide coated and thermally oxidized specimen revealed existence of Al2O3 along with NiAl and Cr5Al8 type phases after the exposure in borosilicate melt. SEM–EDXS analysis along the cross-section of aluminide coated and thermally oxidized sample with adhered glass indicated good stability of coating in borosilicate melt without any phase formation at the coating/glass interface. However, some Al enrichment in glass phase adjacent to interface was noticed without any significant Ni or Cr enrichment.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jnucmat.2012.08.012</doi><tpages>6</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Aluminides Applied sciences Borosilicate Borosilicate glasses Coating Controled nuclear fusion plants Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Fuels Glass Installations for energy generation and conversion: thermal and electrical energy Intermetallic compounds Intermetallics Melts Nuclear fuels Phases |
| title | Formation of diffusion barrier coating on superalloy 690 substrate and its stability in borosilicate melt at elevated temperature |
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