Microstructure and intergranular corrosion resistance of UNS S17400 (17-4PH) stainless steel
UNS S17400 or 17-4PH is a precipitation hardening martensitic stainless steel with many industrial applications. Quite different mechanical properties can be produced in this material by varying the aging temperature. In this work, the influence of aging temperature on the intergranular corrosion su...
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| Veröffentlicht in: | Corrosion science 2010-11, Vol.52 (11), p.3835-3839 |
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| creator | Tavares, S.S.M. da Silva, F.J. Scandian, C. da Silva, G.F. de Abreu, H.F.G. |
| description | UNS S17400 or 17-4PH is a precipitation hardening martensitic stainless steel with many industrial applications. Quite different mechanical properties can be produced in this material by varying the aging temperature. In this work, the influence of aging temperature on the intergranular corrosion susceptibility was evaluated by electrochemical and metallographic tests. The microstructural features were investigated by X-ray diffraction, optical and scanning electron microscopy. Intergranular chromium carbide precipitation occurs in specimens aged at high temperatures, although NbC carbides were also observed. The results obtained by double loop electrochemical potentiodynamic reactivation tests (DL-EPR) show that the susceptibility to intergranular corrosion resistance increases with the increase of aging temperature. Healing due to Cr diffusion in the 600–650
°C range was not observed by DL-EPR tests. |
| doi_str_mv | 10.1016/j.corsci.2010.07.016 |
| format | Article |
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°C range was not observed by DL-EPR tests.</description><subject>A. Stainless steel</subject><subject>Activation</subject><subject>Applied sciences</subject><subject>B. SEM</subject><subject>B. XRD</subject><subject>C. Intergranular corrosion</subject><subject>Chromium</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Corrosion resistance</subject><subject>Diffraction</subject><subject>Diffusion</subject><subject>Exact sciences and technology</subject><subject>Intergranular corrosion</subject><subject>Metals. Metallurgy</subject><subject>Microstructure</subject><subject>Precipitation hardening</subject><subject>Stainless steels</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxYMoWKvfwEMuoh62Tna3m-xFkKJWqH-gFjwIIU0mkrLdrcmu4Lc3a4tHySHhzZs3mR8hpwxGDFhxtRrpxgftRilECfgointkwAQvE8jLYp8MIFaSMhNvh-QohBUA9N4BeX902jeh9Z1uO49U1Ya6ukX_4VXdVcrTGB0Nrqmpx-BCq2qNtLF08TSnc8ZzAHrBeJK_TC9prLq6whDiC7E6JgdWVQFPdveQLO5uXyfTZPZ8_zC5mSU6F9AmTKc2FZqJlGUCQcdvshIwS-04XxrBhVbKCgVYmoLDEoulYqI0whquhTE2G5Lzbe7GN58dhlauXdBYVarGpguSC57-nujMt85-6eDRyo13a-W_JQPZs5QruWUpez4SuIxibDvbDVBBq8pGNtqFv940S4txxvr4660P47ZfDr2MSRiBGedRt9I07v9BP6OEi7M</recordid><startdate>20101101</startdate><enddate>20101101</enddate><creator>Tavares, S.S.M.</creator><creator>da Silva, F.J.</creator><creator>Scandian, C.</creator><creator>da Silva, G.F.</creator><creator>de Abreu, H.F.G.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><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>20101101</creationdate><title>Microstructure and intergranular corrosion resistance of UNS S17400 (17-4PH) stainless steel</title><author>Tavares, S.S.M. ; da Silva, F.J. ; Scandian, C. ; da Silva, G.F. ; de Abreu, H.F.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c480t-1c2f28c182138e0c938190e32f54bd878caaf8a0e9d670be6ba189d8fd7c8ddf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>A. Stainless steel</topic><topic>Activation</topic><topic>Applied sciences</topic><topic>B. SEM</topic><topic>B. XRD</topic><topic>C. Intergranular corrosion</topic><topic>Chromium</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Corrosion resistance</topic><topic>Diffraction</topic><topic>Diffusion</topic><topic>Exact sciences and technology</topic><topic>Intergranular corrosion</topic><topic>Metals. Metallurgy</topic><topic>Microstructure</topic><topic>Precipitation hardening</topic><topic>Stainless steels</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tavares, S.S.M.</creatorcontrib><creatorcontrib>da Silva, F.J.</creatorcontrib><creatorcontrib>Scandian, C.</creatorcontrib><creatorcontrib>da Silva, G.F.</creatorcontrib><creatorcontrib>de Abreu, H.F.G.</creatorcontrib><collection>Pascal-Francis</collection><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>Tavares, S.S.M.</au><au>da Silva, F.J.</au><au>Scandian, C.</au><au>da Silva, G.F.</au><au>de Abreu, H.F.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and intergranular corrosion resistance of UNS S17400 (17-4PH) stainless steel</atitle><jtitle>Corrosion science</jtitle><date>2010-11-01</date><risdate>2010</risdate><volume>52</volume><issue>11</issue><spage>3835</spage><epage>3839</epage><pages>3835-3839</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><coden>CRRSAA</coden><abstract>UNS S17400 or 17-4PH is a precipitation hardening martensitic stainless steel with many industrial applications. Quite different mechanical properties can be produced in this material by varying the aging temperature. In this work, the influence of aging temperature on the intergranular corrosion susceptibility was evaluated by electrochemical and metallographic tests. The microstructural features were investigated by X-ray diffraction, optical and scanning electron microscopy. Intergranular chromium carbide precipitation occurs in specimens aged at high temperatures, although NbC carbides were also observed. The results obtained by double loop electrochemical potentiodynamic reactivation tests (DL-EPR) show that the susceptibility to intergranular corrosion resistance increases with the increase of aging temperature. Healing due to Cr diffusion in the 600–650
°C range was not observed by DL-EPR tests.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2010.07.016</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | A. Stainless steel Activation Applied sciences B. SEM B. XRD C. Intergranular corrosion Chromium Corrosion Corrosion environments Corrosion resistance Diffraction Diffusion Exact sciences and technology Intergranular corrosion Metals. Metallurgy Microstructure Precipitation hardening Stainless steels |
| title | Microstructure and intergranular corrosion resistance of UNS S17400 (17-4PH) stainless steel |
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