Fracture and strength of a TiZr-based metallic glass at low temperatures
With decreasing the testing temperature, a TiZr-based metallic glass (MG) shows obvious increments in yield strengths, tension-compression strength asymmetry, and deviations of shear-fracture-angle, implying that the MG displays increased resistance to plastic shearing but decreased critical stress...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2019-12, Vol.768, p.138453, Article 138453 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Wu, S.J. Qu, R.T. Wang, X.D. Zhu, Z.W. Zhang, H.F. Zhang, Z.F. |
| description | With decreasing the testing temperature, a TiZr-based metallic glass (MG) shows obvious increments in yield strengths, tension-compression strength asymmetry, and deviations of shear-fracture-angle, implying that the MG displays increased resistance to plastic shearing but decreased critical stress for brittle normal fracture. These results well explain the ductile-to-brittle transition of MGs caused by low temperature. Besides, the low-temperature failure criterion was established and applied to various other MGs. It is demonstrated that the MGs with lower Poisson's ratio may be more sensitive to suffer low-temperature induced brittle fracture. |
| doi_str_mv | 10.1016/j.msea.2019.138453 |
| format | Article |
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These results well explain the ductile-to-brittle transition of MGs caused by low temperature. Besides, the low-temperature failure criterion was established and applied to various other MGs. It is demonstrated that the MGs with lower Poisson's ratio may be more sensitive to suffer low-temperature induced brittle fracture.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2019.138453</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Amorphous materials ; Brittle fracture ; Compressive strength ; Ductile fracture ; Ductile-brittle transition ; Failure criterion ; Fracture mechanics ; Low temperature ; Metallic glass ; Metallic glasses ; Poisson's ratio ; Shear fracture ; Shear strength ; Shearing ; Strength ; Temperature</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>With decreasing the testing temperature, a TiZr-based metallic glass (MG) shows obvious increments in yield strengths, tension-compression strength asymmetry, and deviations of shear-fracture-angle, implying that the MG displays increased resistance to plastic shearing but decreased critical stress for brittle normal fracture. These results well explain the ductile-to-brittle transition of MGs caused by low temperature. Besides, the low-temperature failure criterion was established and applied to various other MGs. It is demonstrated that the MGs with lower Poisson's ratio may be more sensitive to suffer low-temperature induced brittle fracture.</description><subject>Amorphous materials</subject><subject>Brittle fracture</subject><subject>Compressive strength</subject><subject>Ductile fracture</subject><subject>Ductile-brittle transition</subject><subject>Failure criterion</subject><subject>Fracture mechanics</subject><subject>Low temperature</subject><subject>Metallic glass</subject><subject>Metallic glasses</subject><subject>Poisson's ratio</subject><subject>Shear fracture</subject><subject>Shear strength</subject><subject>Shearing</subject><subject>Strength</subject><subject>Temperature</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEUhYMoWKt_wFXA9Yy5ybwCbqRYKxTc1I2bkCZ3aoZ51CRV_PfOMK5d3c35zj18hNwCS4FBcd-kXUCdcgYyBVFluTgjC6hKkWRSFOdkwSSHJGdSXJKrEBrGGGQsX5DN2msTTx6p7i0N0WN_iB90qKmmO_fuk70OaGmHUbetM_TQ6hCojrQdvmnE7oheT3i4Jhe1bgPe_N0leVs_7VabZPv6_LJ63CZG8ComGZpyL7ktrWR7oY0waIUteVGyAnIQrJrWZ1BXHBCEZQBMZtrIiiMXtRFLcjf3Hv3wecIQVTOcfD--VFxwXmSVLPIxxeeU8UMIHmt19K7T_kcBU5Mx1ajJmJqMqdnYCD3MEI77vxx6FYzDflzoPJqo7OD-w38BkFFyzw</recordid><startdate>20191219</startdate><enddate>20191219</enddate><creator>Wu, S.J.</creator><creator>Qu, R.T.</creator><creator>Wang, X.D.</creator><creator>Zhu, Z.W.</creator><creator>Zhang, H.F.</creator><creator>Zhang, Z.F.</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>20191219</creationdate><title>Fracture and strength of a TiZr-based metallic glass at low temperatures</title><author>Wu, S.J. ; Qu, R.T. ; Wang, X.D. ; Zhu, Z.W. ; Zhang, H.F. ; Zhang, Z.F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-4ec7b92d7d90b3ac3ced3d726706151308384541f821e13d011094ac982e23fc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Amorphous materials</topic><topic>Brittle fracture</topic><topic>Compressive strength</topic><topic>Ductile fracture</topic><topic>Ductile-brittle transition</topic><topic>Failure criterion</topic><topic>Fracture mechanics</topic><topic>Low temperature</topic><topic>Metallic glass</topic><topic>Metallic glasses</topic><topic>Poisson's ratio</topic><topic>Shear fracture</topic><topic>Shear strength</topic><topic>Shearing</topic><topic>Strength</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, S.J.</creatorcontrib><creatorcontrib>Qu, R.T.</creatorcontrib><creatorcontrib>Wang, X.D.</creatorcontrib><creatorcontrib>Zhu, Z.W.</creatorcontrib><creatorcontrib>Zhang, H.F.</creatorcontrib><creatorcontrib>Zhang, Z.F.</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. 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A, Structural materials : properties, microstructure and processing</jtitle><date>2019-12-19</date><risdate>2019</risdate><volume>768</volume><spage>138453</spage><pages>138453-</pages><artnum>138453</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>With decreasing the testing temperature, a TiZr-based metallic glass (MG) shows obvious increments in yield strengths, tension-compression strength asymmetry, and deviations of shear-fracture-angle, implying that the MG displays increased resistance to plastic shearing but decreased critical stress for brittle normal fracture. These results well explain the ductile-to-brittle transition of MGs caused by low temperature. Besides, the low-temperature failure criterion was established and applied to various other MGs. It is demonstrated that the MGs with lower Poisson's ratio may be more sensitive to suffer low-temperature induced brittle fracture.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2019.138453</doi></addata></record> |
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| subjects | Amorphous materials Brittle fracture Compressive strength Ductile fracture Ductile-brittle transition Failure criterion Fracture mechanics Low temperature Metallic glass Metallic glasses Poisson's ratio Shear fracture Shear strength Shearing Strength Temperature |
| title | Fracture and strength of a TiZr-based metallic glass at low temperatures |
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