The effect of cobalt on surface energy of Ag(Co) alloys
•The surface energies of silver-cobalt alloys were measured.•It is shown that cobalt increases the surface energy of solid silver.•The concentration behavior of the effect is nonmonotonic. The surface energy of Ag–Co alloys in a gaseous atmosphere of Ar + 10% H2 in the temperature range from 1050 K...
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| Veröffentlicht in: | Materials letters 2020-01, Vol.258, p.126800, Article 126800 |
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| creator | Zhevnenko, S.N. Chernyshikhin, S.V. |
| description | •The surface energies of silver-cobalt alloys were measured.•It is shown that cobalt increases the surface energy of solid silver.•The concentration behavior of the effect is nonmonotonic.
The surface energy of Ag–Co alloys in a gaseous atmosphere of Ar + 10% H2 in the temperature range from 1050 K to 1160 K was measured using the zero creep method. The alloys (0.2 at.% Co, 0.8 at.% Co, 2.1 at.% Co) and pure Ag were used as samples. The measurement results are presented as surface energy polytherms. The polytherms for the Ag + 0.2 at.% Co solid solution and two phase alloys have a noticeable jump, which can be interpreted to be a surface phase transition. An increase in surface energy with decreasing temperature occurs to values corresponding to pure cobalt (about 3 J/m2). |
| doi_str_mv | 10.1016/j.matlet.2019.126800 |
| format | Article |
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The surface energy of Ag–Co alloys in a gaseous atmosphere of Ar + 10% H2 in the temperature range from 1050 K to 1160 K was measured using the zero creep method. The alloys (0.2 at.% Co, 0.8 at.% Co, 2.1 at.% Co) and pure Ag were used as samples. The measurement results are presented as surface energy polytherms. The polytherms for the Ag + 0.2 at.% Co solid solution and two phase alloys have a noticeable jump, which can be interpreted to be a surface phase transition. An increase in surface energy with decreasing temperature occurs to values corresponding to pure cobalt (about 3 J/m2).</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2019.126800</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Cobalt base alloys ; Creep (materials) ; Interfacial free energy ; Materials science ; Phase transitions ; Polytherms ; Silver ; Silver-cobalt alloys ; Solid solutions ; Surface energy</subject><ispartof>Materials letters, 2020-01, Vol.258, p.126800, Article 126800</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-7c5bac2705902fc894829a5ee1e64a40e90222cd75c3500f40aef9bf119c02063</citedby><cites>FETCH-LOGICAL-c334t-7c5bac2705902fc894829a5ee1e64a40e90222cd75c3500f40aef9bf119c02063</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167577X19314314$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Zhevnenko, S.N.</creatorcontrib><creatorcontrib>Chernyshikhin, S.V.</creatorcontrib><title>The effect of cobalt on surface energy of Ag(Co) alloys</title><title>Materials letters</title><description>•The surface energies of silver-cobalt alloys were measured.•It is shown that cobalt increases the surface energy of solid silver.•The concentration behavior of the effect is nonmonotonic.
The surface energy of Ag–Co alloys in a gaseous atmosphere of Ar + 10% H2 in the temperature range from 1050 K to 1160 K was measured using the zero creep method. The alloys (0.2 at.% Co, 0.8 at.% Co, 2.1 at.% Co) and pure Ag were used as samples. The measurement results are presented as surface energy polytherms. The polytherms for the Ag + 0.2 at.% Co solid solution and two phase alloys have a noticeable jump, which can be interpreted to be a surface phase transition. An increase in surface energy with decreasing temperature occurs to values corresponding to pure cobalt (about 3 J/m2).</description><subject>Cobalt base alloys</subject><subject>Creep (materials)</subject><subject>Interfacial free energy</subject><subject>Materials science</subject><subject>Phase transitions</subject><subject>Polytherms</subject><subject>Silver</subject><subject>Silver-cobalt alloys</subject><subject>Solid solutions</subject><subject>Surface energy</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKv_wMOCFz3sOvnYzeYilFI_oOClgreQppO6y3ZTk63Qf2_KevY0w7zvO8M8hNxSKCjQ6rEtdmbocCgYUFVQVtUAZ2RCa8lzoaQ6J5Nkk3kp5ecluYqxBQChQEyIXH1hhs6hHTLvMuvXpktdn8VDcMYmrcewPZ602fZ-7h8y03X-GK_JhTNdxJu_OiUfz4vV_DVfvr-8zWfL3HIuhlzacm0sk1AqYM7WStRMmRKRYiWMAExjxuxGlpaXAE6AQafWjlJlgUHFp-Ru3LsP_vuAcdCtP4Q-ndSMM1FLxSuZXGJ02eBjDOj0PjQ7E46agj4h0q0eEekTIj0iSrGnMYbpg58Gg462wd7ipgkJiN745v8Fvy_ibpE</recordid><startdate>20200101</startdate><enddate>20200101</enddate><creator>Zhevnenko, S.N.</creator><creator>Chernyshikhin, S.V.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200101</creationdate><title>The effect of cobalt on surface energy of Ag(Co) alloys</title><author>Zhevnenko, S.N. ; Chernyshikhin, S.V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-7c5bac2705902fc894829a5ee1e64a40e90222cd75c3500f40aef9bf119c02063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Cobalt base alloys</topic><topic>Creep (materials)</topic><topic>Interfacial free energy</topic><topic>Materials science</topic><topic>Phase transitions</topic><topic>Polytherms</topic><topic>Silver</topic><topic>Silver-cobalt alloys</topic><topic>Solid solutions</topic><topic>Surface energy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhevnenko, S.N.</creatorcontrib><creatorcontrib>Chernyshikhin, S.V.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhevnenko, S.N.</au><au>Chernyshikhin, S.V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of cobalt on surface energy of Ag(Co) alloys</atitle><jtitle>Materials letters</jtitle><date>2020-01-01</date><risdate>2020</risdate><volume>258</volume><spage>126800</spage><pages>126800-</pages><artnum>126800</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>•The surface energies of silver-cobalt alloys were measured.•It is shown that cobalt increases the surface energy of solid silver.•The concentration behavior of the effect is nonmonotonic.
The surface energy of Ag–Co alloys in a gaseous atmosphere of Ar + 10% H2 in the temperature range from 1050 K to 1160 K was measured using the zero creep method. The alloys (0.2 at.% Co, 0.8 at.% Co, 2.1 at.% Co) and pure Ag were used as samples. The measurement results are presented as surface energy polytherms. The polytherms for the Ag + 0.2 at.% Co solid solution and two phase alloys have a noticeable jump, which can be interpreted to be a surface phase transition. An increase in surface energy with decreasing temperature occurs to values corresponding to pure cobalt (about 3 J/m2).</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2019.126800</doi></addata></record> |
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| ispartof | Materials letters, 2020-01, Vol.258, p.126800, Article 126800 |
| issn | 0167-577X 1873-4979 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Cobalt base alloys Creep (materials) Interfacial free energy Materials science Phase transitions Polytherms Silver Silver-cobalt alloys Solid solutions Surface energy |
| title | The effect of cobalt on surface energy of Ag(Co) alloys |
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