Corrosion resistant nanostructured eutectic high entropy alloy
•A nanostructured eutectic high-entropy alloy (EHEA) with composition of FeCrNiCoNb0.5 was developed.•The EHEA shows superior corrosion-preventive and repassivation ability in 1 M NaCl.•Amorphous passive film formed on EHEA is compact and protective.•The unique nanostructure effectively prohibited p...
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| Veröffentlicht in: | Corrosion science 2020-03, Vol.164, p.108315, Article 108315 |
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| container_title | Corrosion science |
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| creator | Shuang, S. Ding, Z.Y. Chung, D. Shi, S.Q. Yang, Y. |
| description | •A nanostructured eutectic high-entropy alloy (EHEA) with composition of FeCrNiCoNb0.5 was developed.•The EHEA shows superior corrosion-preventive and repassivation ability in 1 M NaCl.•Amorphous passive film formed on EHEA is compact and protective.•The unique nanostructure effectively prohibited pitting corrosion.
In this work, we developed a nanostructured eutectic high entropy alloy (EHEA) of composition FeCrNiCoNb0.5 (atomic %). Due to the formation of a compact amorphous high entropy passive film and the two-phase nanostructure, our EHEA exhibits unique combination of a low corrosion current density, a large passivation region and a superior repassivation ability in 1 M NaCl, outperforming the variety of conventional alloys and other high entropy alloys hitherto reported. The outcome of our research suggests that the notion of EHEAs could be explored to design corrosion resistant chemically complex alloys. |
| doi_str_mv | 10.1016/j.corsci.2019.108315 |
| format | Article |
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In this work, we developed a nanostructured eutectic high entropy alloy (EHEA) of composition FeCrNiCoNb0.5 (atomic %). Due to the formation of a compact amorphous high entropy passive film and the two-phase nanostructure, our EHEA exhibits unique combination of a low corrosion current density, a large passivation region and a superior repassivation ability in 1 M NaCl, outperforming the variety of conventional alloys and other high entropy alloys hitherto reported. The outcome of our research suggests that the notion of EHEAs could be explored to design corrosion resistant chemically complex alloys.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2019.108315</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>A. High entropy alloy ; Alloys ; C. Passivity ; C. Pitting corrosion ; C. Repassivation ; Corrosion ; Corrosion currents ; Corrosion resistance ; Corrosion resistant alloys ; Eutectic alloys ; High entropy alloys ; Nanostructure</subject><ispartof>Corrosion science, 2020-03, Vol.164, p.108315, Article 108315</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV Mar 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-6399b1c464d55dfaaa84994fc20ec168d5fe25cae2a68a4213e298cf908463333</citedby><cites>FETCH-LOGICAL-c380t-6399b1c464d55dfaaa84994fc20ec168d5fe25cae2a68a4213e298cf908463333</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.corsci.2019.108315$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids></links><search><creatorcontrib>Shuang, S.</creatorcontrib><creatorcontrib>Ding, Z.Y.</creatorcontrib><creatorcontrib>Chung, D.</creatorcontrib><creatorcontrib>Shi, S.Q.</creatorcontrib><creatorcontrib>Yang, Y.</creatorcontrib><title>Corrosion resistant nanostructured eutectic high entropy alloy</title><title>Corrosion science</title><description>•A nanostructured eutectic high-entropy alloy (EHEA) with composition of FeCrNiCoNb0.5 was developed.•The EHEA shows superior corrosion-preventive and repassivation ability in 1 M NaCl.•Amorphous passive film formed on EHEA is compact and protective.•The unique nanostructure effectively prohibited pitting corrosion.
In this work, we developed a nanostructured eutectic high entropy alloy (EHEA) of composition FeCrNiCoNb0.5 (atomic %). Due to the formation of a compact amorphous high entropy passive film and the two-phase nanostructure, our EHEA exhibits unique combination of a low corrosion current density, a large passivation region and a superior repassivation ability in 1 M NaCl, outperforming the variety of conventional alloys and other high entropy alloys hitherto reported. The outcome of our research suggests that the notion of EHEAs could be explored to design corrosion resistant chemically complex alloys.</description><subject>A. High entropy alloy</subject><subject>Alloys</subject><subject>C. Passivity</subject><subject>C. Pitting corrosion</subject><subject>C. Repassivation</subject><subject>Corrosion</subject><subject>Corrosion currents</subject><subject>Corrosion resistance</subject><subject>Corrosion resistant alloys</subject><subject>Eutectic alloys</subject><subject>High entropy alloys</subject><subject>Nanostructure</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kEFLAzEQhYMoWKv_wMOC562TbBKTS0GKVqHgRcFbiNlZm6VuapIV-u9NWc_OHAaG92Z4HyHXFBYUqLztFy7E5PyCAdVlpRoqTsiMqjtdA9fylMwAKNS6Ue_n5CKlHgCKFmZkuQoxhuTDUEVMPmU75GqwQ0g5ji6PEdsKx4wue1dt_ee2wiHHsD9UdrcLh0ty1tldwqu_OSdvjw-vq6d687J-Xt1vatcoyLVstP6gjkveCtF21lrFteadY4COStWKDplwFpmVynJGG2RauU6D4rIpNSc30919DN8jpmz6MMahvDRMMMZLK1FUfFK5EilF7Mw--i8bD4aCOZIyvZlImSMpM5EqtuVkw5Lgx2M0RYGDw9bHEty0wf9_4Bfb6HPb</recordid><startdate>202003</startdate><enddate>202003</enddate><creator>Shuang, S.</creator><creator>Ding, Z.Y.</creator><creator>Chung, D.</creator><creator>Shi, S.Q.</creator><creator>Yang, Y.</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>202003</creationdate><title>Corrosion resistant nanostructured eutectic high entropy alloy</title><author>Shuang, S. ; Ding, Z.Y. ; Chung, D. ; Shi, S.Q. ; Yang, Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-6399b1c464d55dfaaa84994fc20ec168d5fe25cae2a68a4213e298cf908463333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>A. High entropy alloy</topic><topic>Alloys</topic><topic>C. Passivity</topic><topic>C. Pitting corrosion</topic><topic>C. Repassivation</topic><topic>Corrosion</topic><topic>Corrosion currents</topic><topic>Corrosion resistance</topic><topic>Corrosion resistant alloys</topic><topic>Eutectic alloys</topic><topic>High entropy alloys</topic><topic>Nanostructure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shuang, S.</creatorcontrib><creatorcontrib>Ding, Z.Y.</creatorcontrib><creatorcontrib>Chung, D.</creatorcontrib><creatorcontrib>Shi, S.Q.</creatorcontrib><creatorcontrib>Yang, Y.</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>Shuang, S.</au><au>Ding, Z.Y.</au><au>Chung, D.</au><au>Shi, S.Q.</au><au>Yang, Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Corrosion resistant nanostructured eutectic high entropy alloy</atitle><jtitle>Corrosion science</jtitle><date>2020-03</date><risdate>2020</risdate><volume>164</volume><spage>108315</spage><pages>108315-</pages><artnum>108315</artnum><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>•A nanostructured eutectic high-entropy alloy (EHEA) with composition of FeCrNiCoNb0.5 was developed.•The EHEA shows superior corrosion-preventive and repassivation ability in 1 M NaCl.•Amorphous passive film formed on EHEA is compact and protective.•The unique nanostructure effectively prohibited pitting corrosion.
In this work, we developed a nanostructured eutectic high entropy alloy (EHEA) of composition FeCrNiCoNb0.5 (atomic %). Due to the formation of a compact amorphous high entropy passive film and the two-phase nanostructure, our EHEA exhibits unique combination of a low corrosion current density, a large passivation region and a superior repassivation ability in 1 M NaCl, outperforming the variety of conventional alloys and other high entropy alloys hitherto reported. The outcome of our research suggests that the notion of EHEAs could be explored to design corrosion resistant chemically complex alloys.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2019.108315</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Corrosion science, 2020-03, Vol.164, p.108315, Article 108315 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | A. High entropy alloy Alloys C. Passivity C. Pitting corrosion C. Repassivation Corrosion Corrosion currents Corrosion resistance Corrosion resistant alloys Eutectic alloys High entropy alloys Nanostructure |
| title | Corrosion resistant nanostructured eutectic high entropy alloy |
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