Serrated flow behaviors of a Zr-based bulk metallic glass by nanoindentation
Instrumented nanoindentation tests were used to investigate the mechanical properties of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass. The corresponding loading strain rates were ranged from 0.002 s−1, 0.02 s−1 to 0.2 s−1. Plastic flow of this material exhibited remarkable serrations at low strain...
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| Veröffentlicht in: | Journal of applied physics 2014-02, Vol.115 (8) |
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| creator | Cheng, L. Jiao, Z. M. Ma, S. G. Qiao, J. W. Wang, Z. H. |
| description | Instrumented nanoindentation tests were used to investigate the mechanical properties of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass. The corresponding loading strain rates were ranged from 0.002 s−1, 0.02 s−1 to 0.2 s−1. Plastic flow of this material exhibited remarkable serrations at low strain rates and increasingly became weakening until disappearance with increasing indentation strain rate, implying strong rate sensitivity. A significant pile-up around the indents was observed through atomic force microscopy, which suggested a highly localized plastic deformation. Mechanism governing the deformation was tentatively discussed in terms of the increasing process of free volume with a negligible temperature rise under low strain rate, which well explained the declining trend of elastic modulus and hardness with an increase of indentation depth. |
| doi_str_mv | 10.1063/1.4866874 |
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M. ; Ma, S. G. ; Qiao, J. W. ; Wang, Z. H.</creator><creatorcontrib>Cheng, L. ; Jiao, Z. M. ; Ma, S. G. ; Qiao, J. W. ; Wang, Z. H.</creatorcontrib><description>Instrumented nanoindentation tests were used to investigate the mechanical properties of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass. The corresponding loading strain rates were ranged from 0.002 s−1, 0.02 s−1 to 0.2 s−1. Plastic flow of this material exhibited remarkable serrations at low strain rates and increasingly became weakening until disappearance with increasing indentation strain rate, implying strong rate sensitivity. A significant pile-up around the indents was observed through atomic force microscopy, which suggested a highly localized plastic deformation. Mechanism governing the deformation was tentatively discussed in terms of the increasing process of free volume with a negligible temperature rise under low strain rate, which well explained the declining trend of elastic modulus and hardness with an increase of indentation depth.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4866874</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>ALUMINIUM ALLOYS ; Amorphous materials ; Applied physics ; ATOMIC FORCE MICROSCOPY ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; COPPER ALLOYS ; DEFORMATION ; Deformation mechanisms ; HARDNESS ; LOADING ; MATERIALS SCIENCE ; Mechanical properties ; METALLIC GLASSES ; Modulus of elasticity ; Nanoindentation ; NICKEL ALLOYS ; Plastic deformation ; Plastic flow ; PLASTICITY ; STRAIN RATE ; Strain rate sensitivity ; TITANIUM ALLOYS ; ZIRCONIUM BASE ALLOYS</subject><ispartof>Journal of applied physics, 2014-02, Vol.115 (8)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-676868bfc7d39e0dad65e04259ce044b580ad9e2871ed2857d399348e7747bcf3</citedby><cites>FETCH-LOGICAL-c285t-676868bfc7d39e0dad65e04259ce044b580ad9e2871ed2857d399348e7747bcf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22278003$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Cheng, L.</creatorcontrib><creatorcontrib>Jiao, Z. M.</creatorcontrib><creatorcontrib>Ma, S. G.</creatorcontrib><creatorcontrib>Qiao, J. W.</creatorcontrib><creatorcontrib>Wang, Z. H.</creatorcontrib><title>Serrated flow behaviors of a Zr-based bulk metallic glass by nanoindentation</title><title>Journal of applied physics</title><description>Instrumented nanoindentation tests were used to investigate the mechanical properties of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass. The corresponding loading strain rates were ranged from 0.002 s−1, 0.02 s−1 to 0.2 s−1. Plastic flow of this material exhibited remarkable serrations at low strain rates and increasingly became weakening until disappearance with increasing indentation strain rate, implying strong rate sensitivity. A significant pile-up around the indents was observed through atomic force microscopy, which suggested a highly localized plastic deformation. Mechanism governing the deformation was tentatively discussed in terms of the increasing process of free volume with a negligible temperature rise under low strain rate, which well explained the declining trend of elastic modulus and hardness with an increase of indentation depth.</description><subject>ALUMINIUM ALLOYS</subject><subject>Amorphous materials</subject><subject>Applied physics</subject><subject>ATOMIC FORCE MICROSCOPY</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>COPPER ALLOYS</subject><subject>DEFORMATION</subject><subject>Deformation mechanisms</subject><subject>HARDNESS</subject><subject>LOADING</subject><subject>MATERIALS SCIENCE</subject><subject>Mechanical properties</subject><subject>METALLIC GLASSES</subject><subject>Modulus of elasticity</subject><subject>Nanoindentation</subject><subject>NICKEL ALLOYS</subject><subject>Plastic deformation</subject><subject>Plastic flow</subject><subject>PLASTICITY</subject><subject>STRAIN RATE</subject><subject>Strain rate sensitivity</subject><subject>TITANIUM ALLOYS</subject><subject>ZIRCONIUM BASE ALLOYS</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkD1PwzAYhC0EEqUw8A8sMTGkvLaT2B5RxZdUiQFYWCzHeUNTUrvYLqj_nlRUYrrhnjudjpBLBjMGtbhhs1LVtZLlEZkwULqQVQXHZALAWaG01KfkLKUVAGNK6AlZvGCMNmNLuyH80AaX9rsPMdHQUUvfY9HYNJrNdvika8x2GHpHPwabEm121Fsfet-izzb3wZ-Tk84OCS8OOiVv93ev88di8fzwNL9dFI6rKhe1rFWtms7JVmiE1rZ1hVDySrtRyqZSYFuNXEmG7ZjYY1qUCqUsZeM6MSVXf70h5d4k12d0Sxe8R5cN51wqAPFPbWL42mLKZhW20Y_DDGdcSiGAwUhd_1EuhpQidmYT-7WNO8PA7C81zBwuFb93Hma5</recordid><startdate>20140228</startdate><enddate>20140228</enddate><creator>Cheng, L.</creator><creator>Jiao, Z. M.</creator><creator>Ma, S. G.</creator><creator>Qiao, J. W.</creator><creator>Wang, Z. H.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20140228</creationdate><title>Serrated flow behaviors of a Zr-based bulk metallic glass by nanoindentation</title><author>Cheng, L. ; Jiao, Z. M. ; Ma, S. G. ; Qiao, J. W. ; Wang, Z. H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c285t-676868bfc7d39e0dad65e04259ce044b580ad9e2871ed2857d399348e7747bcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>ALUMINIUM ALLOYS</topic><topic>Amorphous materials</topic><topic>Applied physics</topic><topic>ATOMIC FORCE MICROSCOPY</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>COPPER ALLOYS</topic><topic>DEFORMATION</topic><topic>Deformation mechanisms</topic><topic>HARDNESS</topic><topic>LOADING</topic><topic>MATERIALS SCIENCE</topic><topic>Mechanical properties</topic><topic>METALLIC GLASSES</topic><topic>Modulus of elasticity</topic><topic>Nanoindentation</topic><topic>NICKEL ALLOYS</topic><topic>Plastic deformation</topic><topic>Plastic flow</topic><topic>PLASTICITY</topic><topic>STRAIN RATE</topic><topic>Strain rate sensitivity</topic><topic>TITANIUM ALLOYS</topic><topic>ZIRCONIUM BASE ALLOYS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, L.</creatorcontrib><creatorcontrib>Jiao, Z. M.</creatorcontrib><creatorcontrib>Ma, S. G.</creatorcontrib><creatorcontrib>Qiao, J. W.</creatorcontrib><creatorcontrib>Wang, Z. H.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, L.</au><au>Jiao, Z. M.</au><au>Ma, S. G.</au><au>Qiao, J. W.</au><au>Wang, Z. H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Serrated flow behaviors of a Zr-based bulk metallic glass by nanoindentation</atitle><jtitle>Journal of applied physics</jtitle><date>2014-02-28</date><risdate>2014</risdate><volume>115</volume><issue>8</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>Instrumented nanoindentation tests were used to investigate the mechanical properties of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass. The corresponding loading strain rates were ranged from 0.002 s−1, 0.02 s−1 to 0.2 s−1. Plastic flow of this material exhibited remarkable serrations at low strain rates and increasingly became weakening until disappearance with increasing indentation strain rate, implying strong rate sensitivity. A significant pile-up around the indents was observed through atomic force microscopy, which suggested a highly localized plastic deformation. Mechanism governing the deformation was tentatively discussed in terms of the increasing process of free volume with a negligible temperature rise under low strain rate, which well explained the declining trend of elastic modulus and hardness with an increase of indentation depth.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4866874</doi></addata></record> |
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| subjects | ALUMINIUM ALLOYS Amorphous materials Applied physics ATOMIC FORCE MICROSCOPY CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COPPER ALLOYS DEFORMATION Deformation mechanisms HARDNESS LOADING MATERIALS SCIENCE Mechanical properties METALLIC GLASSES Modulus of elasticity Nanoindentation NICKEL ALLOYS Plastic deformation Plastic flow PLASTICITY STRAIN RATE Strain rate sensitivity TITANIUM ALLOYS ZIRCONIUM BASE ALLOYS |
| title | Serrated flow behaviors of a Zr-based bulk metallic glass by nanoindentation |
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