Tribological behavior of an AlCoCrFeNi2.1 eutectic high entropy alloy sliding against different counterfaces
Tribological behavior of the model AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) sliding against different counterfaces including Al2O3, Si3N4, SiC ceramics and GCr15 steel at room temperature (RT), and particularly SiC at elevated temperatures were investigated. Our EHEA was found to maintain hi...
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| Veröffentlicht in: | Tribology international 2021-01, Vol.153, p.106599, Article 106599 |
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| creator | Miao, Junwei Liang, Hui Zhang, Aijun He, Junyang Meng, Junhu Lu, Yiping |
| description | Tribological behavior of the model AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) sliding against different counterfaces including Al2O3, Si3N4, SiC ceramics and GCr15 steel at room temperature (RT), and particularly SiC at elevated temperatures were investigated. Our EHEA was found to maintain high hardness (＞197 HV) up to 900 °C. The RT tribology tests show that the friction and wear of the EHEA are slightest when against SiC. The wear rates of the EHEA increases monotonously from RT to 900 °C, but the friction coefficient drops sharply (＜0.35) when the temperature exceeds 600 °C. This is attributed to the enhancing in the oxidative wear and the formation of deformed fine-grained layer beneath the worn surface.
[Display omitted]
•Tribological behavior of the AlCoCrFeNi2.1 EHEA against different counterfaces was investigated.•The EHEA/SiC tribo-pair shows the optimal compatibility at RT.•The high hardness of over 197 HV of the EHEA could be maintained up to 900 °C, superior to the Inconel 718 superalloy.•The EHEA exhibits good wear resistance over a wide temperature range from RT to 900 °C. |
| doi_str_mv | 10.1016/j.triboint.2020.106599 |
| format | Article |
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[Display omitted]
•Tribological behavior of the AlCoCrFeNi2.1 EHEA against different counterfaces was investigated.•The EHEA/SiC tribo-pair shows the optimal compatibility at RT.•The high hardness of over 197 HV of the EHEA could be maintained up to 900 °C, superior to the Inconel 718 superalloy.•The EHEA exhibits good wear resistance over a wide temperature range from RT to 900 °C.</description><identifier>ISSN: 0301-679X</identifier><identifier>EISSN: 1879-2464</identifier><identifier>DOI: 10.1016/j.triboint.2020.106599</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Coefficient of friction ; Counterfaces ; Deformation wear ; Eutectic alloy ; Eutectic alloys ; High entropy alloy ; High entropy alloys ; High temperature ; Room temperature ; Silicon carbide ; Sliding ; Tribological behavior ; Tribology ; Wear rate</subject><ispartof>Tribology international, 2021-01, Vol.153, p.106599, Article 106599</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jan 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-87d5b4dd1233254612b183d49b688e798197b2fc03085d88a527601d437d9b3f3</citedby><cites>FETCH-LOGICAL-c340t-87d5b4dd1233254612b183d49b688e798197b2fc03085d88a527601d437d9b3f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.triboint.2020.106599$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Miao, Junwei</creatorcontrib><creatorcontrib>Liang, Hui</creatorcontrib><creatorcontrib>Zhang, Aijun</creatorcontrib><creatorcontrib>He, Junyang</creatorcontrib><creatorcontrib>Meng, Junhu</creatorcontrib><creatorcontrib>Lu, Yiping</creatorcontrib><title>Tribological behavior of an AlCoCrFeNi2.1 eutectic high entropy alloy sliding against different counterfaces</title><title>Tribology international</title><description>Tribological behavior of the model AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) sliding against different counterfaces including Al2O3, Si3N4, SiC ceramics and GCr15 steel at room temperature (RT), and particularly SiC at elevated temperatures were investigated. Our EHEA was found to maintain high hardness (＞197 HV) up to 900 °C. The RT tribology tests show that the friction and wear of the EHEA are slightest when against SiC. The wear rates of the EHEA increases monotonously from RT to 900 °C, but the friction coefficient drops sharply (＜0.35) when the temperature exceeds 600 °C. This is attributed to the enhancing in the oxidative wear and the formation of deformed fine-grained layer beneath the worn surface.
[Display omitted]
•Tribological behavior of the AlCoCrFeNi2.1 EHEA against different counterfaces was investigated.•The EHEA/SiC tribo-pair shows the optimal compatibility at RT.•The high hardness of over 197 HV of the EHEA could be maintained up to 900 °C, superior to the Inconel 718 superalloy.•The EHEA exhibits good wear resistance over a wide temperature range from RT to 900 °C.</description><subject>Coefficient of friction</subject><subject>Counterfaces</subject><subject>Deformation wear</subject><subject>Eutectic alloy</subject><subject>Eutectic alloys</subject><subject>High entropy alloy</subject><subject>High entropy alloys</subject><subject>High temperature</subject><subject>Room temperature</subject><subject>Silicon carbide</subject><subject>Sliding</subject><subject>Tribological behavior</subject><subject>Tribology</subject><subject>Wear rate</subject><issn>0301-679X</issn><issn>1879-2464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEYhIMoWKt_QQKetybZbD5uluIXFL1U8BaySXabZd3UJFvov3dL9ezphWFmXuYB4BajBUaY3XeLHH0d_JAXBJGjyCopz8AMCy4LQhk9BzNUIlwwLj8vwVVKHUKIU8lnoN8cs31ovdE9rN1W732IMDRQD3DZr8IqPrk3TxYYujE7k72BW99uoRtyDLsD1H0fDjD13vqhhbrVfkgZWt80Lk4eaMI4ZBcbbVy6BheN7pO7-b1z8PH0uFm9FOv359fVcl2YkqJcCG6rmlqLSVmSijJMaixKS2XNhHBcCix5TRozbRKVFUJXhDOELS25lXXZlHNwd-rdxfA9upRVF8Y4TC_VhIMzQiXhk4udXCaGlKJr1C76Lx0PCiN1JKs69UdWHcmqE9kp-HAKumnD3ruokvFuMM76OBFSNvj_Kn4A3xWFYA</recordid><startdate>202101</startdate><enddate>202101</enddate><creator>Miao, Junwei</creator><creator>Liang, Hui</creator><creator>Zhang, Aijun</creator><creator>He, Junyang</creator><creator>Meng, Junhu</creator><creator>Lu, Yiping</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>202101</creationdate><title>Tribological behavior of an AlCoCrFeNi2.1 eutectic high entropy alloy sliding against different counterfaces</title><author>Miao, Junwei ; Liang, Hui ; Zhang, Aijun ; He, Junyang ; Meng, Junhu ; Lu, Yiping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-87d5b4dd1233254612b183d49b688e798197b2fc03085d88a527601d437d9b3f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Coefficient of friction</topic><topic>Counterfaces</topic><topic>Deformation wear</topic><topic>Eutectic alloy</topic><topic>Eutectic alloys</topic><topic>High entropy alloy</topic><topic>High entropy alloys</topic><topic>High temperature</topic><topic>Room temperature</topic><topic>Silicon carbide</topic><topic>Sliding</topic><topic>Tribological behavior</topic><topic>Tribology</topic><topic>Wear rate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miao, Junwei</creatorcontrib><creatorcontrib>Liang, Hui</creatorcontrib><creatorcontrib>Zhang, Aijun</creatorcontrib><creatorcontrib>He, Junyang</creatorcontrib><creatorcontrib>Meng, Junhu</creatorcontrib><creatorcontrib>Lu, Yiping</creatorcontrib><collection>CrossRef</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>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Tribology international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miao, Junwei</au><au>Liang, Hui</au><au>Zhang, Aijun</au><au>He, Junyang</au><au>Meng, Junhu</au><au>Lu, Yiping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tribological behavior of an AlCoCrFeNi2.1 eutectic high entropy alloy sliding against different counterfaces</atitle><jtitle>Tribology international</jtitle><date>2021-01</date><risdate>2021</risdate><volume>153</volume><spage>106599</spage><pages>106599-</pages><artnum>106599</artnum><issn>0301-679X</issn><eissn>1879-2464</eissn><abstract>Tribological behavior of the model AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) sliding against different counterfaces including Al2O3, Si3N4, SiC ceramics and GCr15 steel at room temperature (RT), and particularly SiC at elevated temperatures were investigated. Our EHEA was found to maintain high hardness (＞197 HV) up to 900 °C. The RT tribology tests show that the friction and wear of the EHEA are slightest when against SiC. The wear rates of the EHEA increases monotonously from RT to 900 °C, but the friction coefficient drops sharply (＜0.35) when the temperature exceeds 600 °C. This is attributed to the enhancing in the oxidative wear and the formation of deformed fine-grained layer beneath the worn surface.
[Display omitted]
•Tribological behavior of the AlCoCrFeNi2.1 EHEA against different counterfaces was investigated.•The EHEA/SiC tribo-pair shows the optimal compatibility at RT.•The high hardness of over 197 HV of the EHEA could be maintained up to 900 °C, superior to the Inconel 718 superalloy.•The EHEA exhibits good wear resistance over a wide temperature range from RT to 900 °C.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.triboint.2020.106599</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Coefficient of friction Counterfaces Deformation wear Eutectic alloy Eutectic alloys High entropy alloy High entropy alloys High temperature Room temperature Silicon carbide Sliding Tribological behavior Tribology Wear rate |
| title | Tribological behavior of an AlCoCrFeNi2.1 eutectic high entropy alloy sliding against different counterfaces |
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