Immunity of Al0.25CoCrFeNi high-entropy alloy to hydrogen embrittlement
The influence of hydrogen via electrochemical charging on the mechanical behavior of the cryo-rolled and annealed Al0·25CoCrFeNi high entropy alloy (HEA) through tensile experiments was investigated. The results indicated that the Al0·25CoCrFeNi alloy mainly composed of FCC phase has immunity to ele...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2021-07, Vol.821, p.141590, Article 141590 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Zhang, Shidong Liu, Min Luo, Yun Wang, Lianbo Wang, Zemin Wang, Zhanyong Li, Fangjie shen, Qin Wang, Xiaowei |
| description | The influence of hydrogen via electrochemical charging on the mechanical behavior of the cryo-rolled and annealed Al0·25CoCrFeNi high entropy alloy (HEA) through tensile experiments was investigated. The results indicated that the Al0·25CoCrFeNi alloy mainly composed of FCC phase has immunity to electrochemical hydrogen embrittlement. Analysis on the fracture surfaces revealed that hydrogen permeates into a shallow depth and transforms the deformation mechanism. The deformation twins and stress-induced phase transformation (FCC-to-HCP) are introduced in the surface near fracture of tensile sample when the Al0·25CoCrFeNi alloy is not charged by hydrogen. After hydrogen charging, the dissolved hydrogen decreases the stacking fault energy and promotes the planar dislocation slip, resulting in the enhancement of strength and ductility in Al0·25CoCrFeNi HEA. |
| doi_str_mv | 10.1016/j.msea.2021.141590 |
| format | Article |
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The results indicated that the Al0·25CoCrFeNi alloy mainly composed of FCC phase has immunity to electrochemical hydrogen embrittlement. Analysis on the fracture surfaces revealed that hydrogen permeates into a shallow depth and transforms the deformation mechanism. The deformation twins and stress-induced phase transformation (FCC-to-HCP) are introduced in the surface near fracture of tensile sample when the Al0·25CoCrFeNi alloy is not charged by hydrogen. After hydrogen charging, the dissolved hydrogen decreases the stacking fault energy and promotes the planar dislocation slip, resulting in the enhancement of strength and ductility in Al0·25CoCrFeNi HEA.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2021.141590</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Deformation mechanisms ; Fracture surfaces ; High entropy alloys ; High-entropy alloy ; Hydrogen ; Hydrogen charging ; Hydrogen embrittlement ; Immunity ; Mechanical properties ; Phase transitions ; Slip ; Stacking fault energy ; Tensile test ; Twinning</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>The influence of hydrogen via electrochemical charging on the mechanical behavior of the cryo-rolled and annealed Al0·25CoCrFeNi high entropy alloy (HEA) through tensile experiments was investigated. The results indicated that the Al0·25CoCrFeNi alloy mainly composed of FCC phase has immunity to electrochemical hydrogen embrittlement. Analysis on the fracture surfaces revealed that hydrogen permeates into a shallow depth and transforms the deformation mechanism. The deformation twins and stress-induced phase transformation (FCC-to-HCP) are introduced in the surface near fracture of tensile sample when the Al0·25CoCrFeNi alloy is not charged by hydrogen. After hydrogen charging, the dissolved hydrogen decreases the stacking fault energy and promotes the planar dislocation slip, resulting in the enhancement of strength and ductility in Al0·25CoCrFeNi HEA.</description><subject>Deformation mechanisms</subject><subject>Fracture surfaces</subject><subject>High entropy alloys</subject><subject>High-entropy alloy</subject><subject>Hydrogen</subject><subject>Hydrogen charging</subject><subject>Hydrogen embrittlement</subject><subject>Immunity</subject><subject>Mechanical properties</subject><subject>Phase transitions</subject><subject>Slip</subject><subject>Stacking fault energy</subject><subject>Tensile test</subject><subject>Twinning</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQQBdRsFb_gKeA58TZr2QDXkqxtVD0oucl2cy2G5Js3aRC_r0J9expLu_NDI-QRwoJBZo-10nbY5EwYDShgsocrsiCqozHIufpNVlAzmgsIee35K7vawCgAuSCbHdte-7cMEbeRqsGEibXfh02-O6iozscY-yG4E9jVDSNH6PBR8exCv6AXYRtGdwwNNhOzD25sUXT48PfXJKvzevn-i3ef2x369U-NpypITaKVyVAkTGorJEms7IAFGmV8lLZQplCpRIVpAKFKtEKmyuTM1NWWcYtML4kT5e9p-C_z9gPuvbn0E0nNZOpkIpTMVPsQpng-z6g1afg2iKMmoKeg-laz8H0HExfgk3Sy0XC6f8fh0H3xmFnsHIBzaAr7_7TfwGowHOX</recordid><startdate>20210721</startdate><enddate>20210721</enddate><creator>Zhang, Shidong</creator><creator>Liu, Min</creator><creator>Luo, Yun</creator><creator>Wang, Lianbo</creator><creator>Wang, Zemin</creator><creator>Wang, Zhanyong</creator><creator>Li, Fangjie</creator><creator>shen, Qin</creator><creator>Wang, Xiaowei</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><orcidid>https://orcid.org/0000-0002-7195-4755</orcidid></search><sort><creationdate>20210721</creationdate><title>Immunity of Al0.25CoCrFeNi high-entropy alloy to hydrogen embrittlement</title><author>Zhang, Shidong ; Liu, Min ; Luo, Yun ; Wang, Lianbo ; Wang, Zemin ; Wang, Zhanyong ; Li, Fangjie ; shen, Qin ; Wang, Xiaowei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-c83db00a720dfc5c7f5a0e46d63b8fa8ca865e8064e48bef4f98c92cbd773f023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Deformation mechanisms</topic><topic>Fracture surfaces</topic><topic>High entropy alloys</topic><topic>High-entropy alloy</topic><topic>Hydrogen</topic><topic>Hydrogen charging</topic><topic>Hydrogen embrittlement</topic><topic>Immunity</topic><topic>Mechanical properties</topic><topic>Phase transitions</topic><topic>Slip</topic><topic>Stacking fault energy</topic><topic>Tensile test</topic><topic>Twinning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Shidong</creatorcontrib><creatorcontrib>Liu, Min</creatorcontrib><creatorcontrib>Luo, Yun</creatorcontrib><creatorcontrib>Wang, Lianbo</creatorcontrib><creatorcontrib>Wang, Zemin</creatorcontrib><creatorcontrib>Wang, Zhanyong</creatorcontrib><creatorcontrib>Li, Fangjie</creatorcontrib><creatorcontrib>shen, Qin</creatorcontrib><creatorcontrib>Wang, Xiaowei</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Shidong</au><au>Liu, Min</au><au>Luo, Yun</au><au>Wang, Lianbo</au><au>Wang, Zemin</au><au>Wang, Zhanyong</au><au>Li, Fangjie</au><au>shen, Qin</au><au>Wang, Xiaowei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Immunity of Al0.25CoCrFeNi high-entropy alloy to hydrogen embrittlement</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2021-07-21</date><risdate>2021</risdate><volume>821</volume><spage>141590</spage><pages>141590-</pages><artnum>141590</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The influence of hydrogen via electrochemical charging on the mechanical behavior of the cryo-rolled and annealed Al0·25CoCrFeNi high entropy alloy (HEA) through tensile experiments was investigated. The results indicated that the Al0·25CoCrFeNi alloy mainly composed of FCC phase has immunity to electrochemical hydrogen embrittlement. Analysis on the fracture surfaces revealed that hydrogen permeates into a shallow depth and transforms the deformation mechanism. The deformation twins and stress-induced phase transformation (FCC-to-HCP) are introduced in the surface near fracture of tensile sample when the Al0·25CoCrFeNi alloy is not charged by hydrogen. After hydrogen charging, the dissolved hydrogen decreases the stacking fault energy and promotes the planar dislocation slip, resulting in the enhancement of strength and ductility in Al0·25CoCrFeNi HEA.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2021.141590</doi><orcidid>https://orcid.org/0000-0002-7195-4755</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Deformation mechanisms Fracture surfaces High entropy alloys High-entropy alloy Hydrogen Hydrogen charging Hydrogen embrittlement Immunity Mechanical properties Phase transitions Slip Stacking fault energy Tensile test Twinning |
| title | Immunity of Al0.25CoCrFeNi high-entropy alloy to hydrogen embrittlement |
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