High temperature deformation behavior of Mg67Zn28Ca5 metallic glass and its composites
Mg67Zn28Ca5 amorphous alloy specimens with various volume percentage of crystalline phases were obtained by annealing fully amorphous alloy at slightly above crystallization temperature. Strain rate effect of flow stress of Mg67Zn28Ca5 amorphous alloy and its composites at supercooled liquid region...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2015-01, Vol.621, p.1-7 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Fu, X.L. Tan, M.J. Chen, Y. Jarfors, A.E.W. Gupta, M. Shek, C.H. |
| description | Mg67Zn28Ca5 amorphous alloy specimens with various volume percentage of crystalline phases were obtained by annealing fully amorphous alloy at slightly above crystallization temperature. Strain rate effect of flow stress of Mg67Zn28Ca5 amorphous alloy and its composites at supercooled liquid region were studied. The strain rate sensitivity m for monolithic metallic glass can approach 1, but all the composites have lower strain rate sensitivity (~0.17). After a prolonged testing period, the deformation mode of Mg67Zn28Ca5 based composites changed from superplastically into fragmentation mode. Glassy Mg67Zn28Ca5 exhibits the best superplasticity and thermal stability compared to its devitrified composites. |
| doi_str_mv | 10.1016/j.msea.2014.10.051 |
| format | Article |
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Strain rate effect of flow stress of Mg67Zn28Ca5 amorphous alloy and its composites at supercooled liquid region were studied. The strain rate sensitivity m for monolithic metallic glass can approach 1, but all the composites have lower strain rate sensitivity (~0.17). After a prolonged testing period, the deformation mode of Mg67Zn28Ca5 based composites changed from superplastically into fragmentation mode. Glassy Mg67Zn28Ca5 exhibits the best superplasticity and thermal stability compared to its devitrified composites.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2014.10.051</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Amorphous alloys ; Amorphous materials ; Annealing ; Composites ; Deformation ; Glasses ; Heat treatment ; Materials science ; Mechanical properties at high temperatures ; Metallic ; Metallic glasses ; Microstructure ; Strain rate sensitivity ; Superplasticity</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>Mg67Zn28Ca5 amorphous alloy specimens with various volume percentage of crystalline phases were obtained by annealing fully amorphous alloy at slightly above crystallization temperature. Strain rate effect of flow stress of Mg67Zn28Ca5 amorphous alloy and its composites at supercooled liquid region were studied. The strain rate sensitivity m for monolithic metallic glass can approach 1, but all the composites have lower strain rate sensitivity (~0.17). After a prolonged testing period, the deformation mode of Mg67Zn28Ca5 based composites changed from superplastically into fragmentation mode. Glassy Mg67Zn28Ca5 exhibits the best superplasticity and thermal stability compared to its devitrified composites.</description><subject>Amorphous alloys</subject><subject>Amorphous materials</subject><subject>Annealing</subject><subject>Composites</subject><subject>Deformation</subject><subject>Glasses</subject><subject>Heat treatment</subject><subject>Materials science</subject><subject>Mechanical properties at high temperatures</subject><subject>Metallic</subject><subject>Metallic glasses</subject><subject>Microstructure</subject><subject>Strain rate sensitivity</subject><subject>Superplasticity</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEURYMoWKt_wFWWbqYmk0kyATdS_ALFjbpwEzLJS5syM6lJKvjvnVLXrh5c7rnwDkKXlCwooeJ6sxgymEVNaDMFC8LpEZrRVrKqUUwcoxlRNa04UewUneW8IWRqEj5DH49htcYFhi0kU3YJsAMf02BKiCPuYG2-Q0w4evyyEvJzrNul4XiAYvo-WLzqTc7YjA6HkrGNwzbmUCCfoxNv-gwXf3eO3u_v3paP1fPrw9Py9rmyjLFSSSU4p85LXjvWdVJJBly42lKvJG-UZZ3p6gakb1oibCN419KmJsJLxz13bI6uDrvbFL92kIseQrbQ92aEuMuaCkGIaLlSU7U-VG2KOSfwepvCYNKPpkTvJeqN3kvUe4n7bJI4QTcHCKYnvgMknW2A0YILCWzRLob_8F-ESHou</recordid><startdate>20150105</startdate><enddate>20150105</enddate><creator>Fu, X.L.</creator><creator>Tan, M.J.</creator><creator>Chen, Y.</creator><creator>Jarfors, A.E.W.</creator><creator>Gupta, M.</creator><creator>Shek, C.H.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20150105</creationdate><title>High temperature deformation behavior of Mg67Zn28Ca5 metallic glass and its composites</title><author>Fu, X.L. ; Tan, M.J. ; Chen, Y. ; Jarfors, A.E.W. ; Gupta, M. ; Shek, C.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c333t-796551df752d3bb7973e56d2c1f97549c3bab24e7f4806c465b814206f7d5f5d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Amorphous alloys</topic><topic>Amorphous materials</topic><topic>Annealing</topic><topic>Composites</topic><topic>Deformation</topic><topic>Glasses</topic><topic>Heat treatment</topic><topic>Materials science</topic><topic>Mechanical properties at high temperatures</topic><topic>Metallic</topic><topic>Metallic glasses</topic><topic>Microstructure</topic><topic>Strain rate sensitivity</topic><topic>Superplasticity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fu, X.L.</creatorcontrib><creatorcontrib>Tan, M.J.</creatorcontrib><creatorcontrib>Chen, Y.</creatorcontrib><creatorcontrib>Jarfors, A.E.W.</creatorcontrib><creatorcontrib>Gupta, M.</creatorcontrib><creatorcontrib>Shek, C.H.</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>Fu, X.L.</au><au>Tan, M.J.</au><au>Chen, Y.</au><au>Jarfors, A.E.W.</au><au>Gupta, M.</au><au>Shek, C.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High temperature deformation behavior of Mg67Zn28Ca5 metallic glass and its composites</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2015-01-05</date><risdate>2015</risdate><volume>621</volume><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>Mg67Zn28Ca5 amorphous alloy specimens with various volume percentage of crystalline phases were obtained by annealing fully amorphous alloy at slightly above crystallization temperature. Strain rate effect of flow stress of Mg67Zn28Ca5 amorphous alloy and its composites at supercooled liquid region were studied. The strain rate sensitivity m for monolithic metallic glass can approach 1, but all the composites have lower strain rate sensitivity (~0.17). After a prolonged testing period, the deformation mode of Mg67Zn28Ca5 based composites changed from superplastically into fragmentation mode. Glassy Mg67Zn28Ca5 exhibits the best superplasticity and thermal stability compared to its devitrified composites.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2014.10.051</doi><tpages>7</tpages></addata></record> |
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| source | ScienceDirect Freedom Collection (Elsevier) |
| subjects | Amorphous alloys Amorphous materials Annealing Composites Deformation Glasses Heat treatment Materials science Mechanical properties at high temperatures Metallic Metallic glasses Microstructure Strain rate sensitivity Superplasticity |
| title | High temperature deformation behavior of Mg67Zn28Ca5 metallic glass and its composites |
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