Temperature dependent mechanical properties of ultra-fine grained FeCo–2V
The tensile properties of ultra-fine grained ordered FeCo–2V have been investigated as a function of testing temperature. Samples with grain sizes of 100, 150 and 290 nm have been tested at temperatures ranging from 25 to 500 °C. Extremely high yield strengths (up to 2.1 GPa) were measured at room t...
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| Veröffentlicht in: | Acta materialia 2003-08, Vol.51 (14), p.4083-4093 |
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| container_title | Acta materialia |
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| creator | Duckham, A Zhang, D.Z Liang, D Luzin, V Cammarata, R.C Leheny, R.L Chien, C.L Weihs, T.P |
| description | The tensile properties of ultra-fine grained ordered FeCo–2V have been investigated as a function of testing temperature. Samples with grain sizes of 100, 150 and 290 nm have been tested at temperatures ranging from 25 to 500 °C. Extremely high yield strengths (up to 2.1 GPa) were measured at room temperature with appreciable ductility of between 3 and 13%. These strengths were found to decline only gradually as the testing temperature was increased to 400 °C, while ductility was generally enhanced, up to 22%. The high strengths are attributed to grain boundary strengthening that is particularly effective due to ordering. Measured ductility was dependent on the relative values of yield strength, fracture strength and work hardening rate. Discontinuous yielding and appreciable Lüders strain (3–6%) were observed and were dependent on the initial structure and on the testing temperature. |
| doi_str_mv | 10.1016/S1359-6454(03)00228-3 |
| format | Article |
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Samples with grain sizes of 100, 150 and 290 nm have been tested at temperatures ranging from 25 to 500 °C. Extremely high yield strengths (up to 2.1 GPa) were measured at room temperature with appreciable ductility of between 3 and 13%. These strengths were found to decline only gradually as the testing temperature was increased to 400 °C, while ductility was generally enhanced, up to 22%. The high strengths are attributed to grain boundary strengthening that is particularly effective due to ordering. Measured ductility was dependent on the relative values of yield strength, fracture strength and work hardening rate. Discontinuous yielding and appreciable Lüders strain (3–6%) were observed and were dependent on the initial structure and on the testing temperature.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/S1359-6454(03)00228-3</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Annealing ; Applied sciences ; Cross-disciplinary physics: materials science; rheology ; Elasticity and anelasticity ; Elasticity and anelasticity, stress-strain relations ; Exact sciences and technology ; High temperature tension testing ; Materials science ; Metals. Metallurgy ; Physics ; Severe plastic deformation ; Treatment of materials and its effects on microstructure and properties ; Ultra-fine grained microstructure ; Yield phenomena</subject><ispartof>Acta materialia, 2003-08, Vol.51 (14), p.4083-4093</ispartof><rights>2003 Acta Materialia Inc.</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c399t-a7fcafacaca99144ae7f265cf3b2d11559ec9db341a84e6b33c3c0b4ace2504d3</citedby><cites>FETCH-LOGICAL-c399t-a7fcafacaca99144ae7f265cf3b2d11559ec9db341a84e6b33c3c0b4ace2504d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1359645403002283$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15006242$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Duckham, A</creatorcontrib><creatorcontrib>Zhang, D.Z</creatorcontrib><creatorcontrib>Liang, D</creatorcontrib><creatorcontrib>Luzin, V</creatorcontrib><creatorcontrib>Cammarata, R.C</creatorcontrib><creatorcontrib>Leheny, R.L</creatorcontrib><creatorcontrib>Chien, C.L</creatorcontrib><creatorcontrib>Weihs, T.P</creatorcontrib><title>Temperature dependent mechanical properties of ultra-fine grained FeCo–2V</title><title>Acta materialia</title><description>The tensile properties of ultra-fine grained ordered FeCo–2V have been investigated as a function of testing temperature. Samples with grain sizes of 100, 150 and 290 nm have been tested at temperatures ranging from 25 to 500 °C. Extremely high yield strengths (up to 2.1 GPa) were measured at room temperature with appreciable ductility of between 3 and 13%. These strengths were found to decline only gradually as the testing temperature was increased to 400 °C, while ductility was generally enhanced, up to 22%. The high strengths are attributed to grain boundary strengthening that is particularly effective due to ordering. Measured ductility was dependent on the relative values of yield strength, fracture strength and work hardening rate. Discontinuous yielding and appreciable Lüders strain (3–6%) were observed and were dependent on the initial structure and on the testing temperature.</description><subject>Annealing</subject><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Elasticity and anelasticity</subject><subject>Elasticity and anelasticity, stress-strain relations</subject><subject>Exact sciences and technology</subject><subject>High temperature tension testing</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Physics</subject><subject>Severe plastic deformation</subject><subject>Treatment of materials and its effects on microstructure and properties</subject><subject>Ultra-fine grained microstructure</subject><subject>Yield phenomena</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqNkMtKxDAUhoMoOI4-gtCNootqrr2sRAZHxQEXjm5DmpxopNPWpBXc-Q6-oU9ixhlxqZzFfxbfufAhtE_wCcEkO70jTJRpxgU_wuwYY0qLlG2gESlyllIu2Gbsf5BttBPCM8aE5hyP0M0cFh141Q8eEgMdNAaaPlmAflKN06pOOt9GoHcQktYmQ917lVrXQPLoVQyTTGHSfr5_0IddtGVVHWBvnWN0P72YT67S2e3l9eR8lmpWln2qcquVVTpWWRLOFeSWZkJbVlFDiBAl6NJUjBNVcMgqxjTTuOJKAxWYGzZGh6u98bWXAUIvFy5oqGvVQDsESQssCMn5f0COOWMRFCtQ-zYED1Z23i2Uf5MEy6Vj-e1YLgVKzOS3Y7mcO1gfUCG6sl412oXfYYFxRjmN3NmKg6jl1YGXQTtoNBjnQffStO6PS1-Er5H3</recordid><startdate>20030815</startdate><enddate>20030815</enddate><creator>Duckham, A</creator><creator>Zhang, D.Z</creator><creator>Liang, D</creator><creator>Luzin, V</creator><creator>Cammarata, R.C</creator><creator>Leheny, R.L</creator><creator>Chien, C.L</creator><creator>Weihs, T.P</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>20030815</creationdate><title>Temperature dependent mechanical properties of ultra-fine grained FeCo–2V</title><author>Duckham, A ; Zhang, D.Z ; Liang, D ; Luzin, V ; Cammarata, R.C ; Leheny, R.L ; Chien, C.L ; Weihs, T.P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-a7fcafacaca99144ae7f265cf3b2d11559ec9db341a84e6b33c3c0b4ace2504d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Annealing</topic><topic>Applied sciences</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Elasticity and anelasticity</topic><topic>Elasticity and anelasticity, stress-strain relations</topic><topic>Exact sciences and technology</topic><topic>High temperature tension testing</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Physics</topic><topic>Severe plastic deformation</topic><topic>Treatment of materials and its effects on microstructure and properties</topic><topic>Ultra-fine grained microstructure</topic><topic>Yield phenomena</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Duckham, A</creatorcontrib><creatorcontrib>Zhang, D.Z</creatorcontrib><creatorcontrib>Liang, D</creatorcontrib><creatorcontrib>Luzin, V</creatorcontrib><creatorcontrib>Cammarata, R.C</creatorcontrib><creatorcontrib>Leheny, R.L</creatorcontrib><creatorcontrib>Chien, C.L</creatorcontrib><creatorcontrib>Weihs, T.P</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>METADEX</collection><collection>Materials Research Database</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Duckham, A</au><au>Zhang, D.Z</au><au>Liang, D</au><au>Luzin, V</au><au>Cammarata, R.C</au><au>Leheny, R.L</au><au>Chien, C.L</au><au>Weihs, T.P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temperature dependent mechanical properties of ultra-fine grained FeCo–2V</atitle><jtitle>Acta materialia</jtitle><date>2003-08-15</date><risdate>2003</risdate><volume>51</volume><issue>14</issue><spage>4083</spage><epage>4093</epage><pages>4083-4093</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>The tensile properties of ultra-fine grained ordered FeCo–2V have been investigated as a function of testing temperature. Samples with grain sizes of 100, 150 and 290 nm have been tested at temperatures ranging from 25 to 500 °C. Extremely high yield strengths (up to 2.1 GPa) were measured at room temperature with appreciable ductility of between 3 and 13%. These strengths were found to decline only gradually as the testing temperature was increased to 400 °C, while ductility was generally enhanced, up to 22%. The high strengths are attributed to grain boundary strengthening that is particularly effective due to ordering. Measured ductility was dependent on the relative values of yield strength, fracture strength and work hardening rate. Discontinuous yielding and appreciable Lüders strain (3–6%) were observed and were dependent on the initial structure and on the testing temperature.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S1359-6454(03)00228-3</doi><tpages>11</tpages></addata></record> |
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| identifier | ISSN: 1359-6454 |
| ispartof | Acta materialia, 2003-08, Vol.51 (14), p.4083-4093 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Annealing Applied sciences Cross-disciplinary physics: materials science rheology Elasticity and anelasticity Elasticity and anelasticity, stress-strain relations Exact sciences and technology High temperature tension testing Materials science Metals. Metallurgy Physics Severe plastic deformation Treatment of materials and its effects on microstructure and properties Ultra-fine grained microstructure Yield phenomena |
| title | Temperature dependent mechanical properties of ultra-fine grained FeCo–2V |
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