Grain-boundary strengthening in nanocrystalline chromium and the Hall–Petch coefficient of body-centered cubic metals
Nanocrystalline Cr (nc-Cr) was synthesized by electrodeposition. Samples with various grain sizes (19–57nm) were prepared by annealing the as-deposited sample. Microstructures were examined using X-ray and electron microscopy, and the mechanical properties were evaluated using nanoindentation. The s...
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| Veröffentlicht in: | Scripta materialia 2013-01, Vol.68 (2), p.118-121 |
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| creator | Wu, D. Zhang, Junyan Huang, J.C. Bei, H. Nieh, T.G. |
| description | Nanocrystalline Cr (nc-Cr) was synthesized by electrodeposition. Samples with various grain sizes (19–57nm) were prepared by annealing the as-deposited sample. Microstructures were examined using X-ray and electron microscopy, and the mechanical properties were evaluated using nanoindentation. The strength of nc-Cr samples apparently obeyed the classical Hall–Petch relationship. It was found that hardening potency caused by grain refinement was generally higher in body-centered cubic metals than that in face-centered cubic and hexagonal close-packed metals. A possible explanation was offered. |
| doi_str_mv | 10.1016/j.scriptamat.2012.09.025 |
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(ORNL), Oak Ridge, TN (United States)</creatorcontrib><description>Nanocrystalline Cr (nc-Cr) was synthesized by electrodeposition. Samples with various grain sizes (19–57nm) were prepared by annealing the as-deposited sample. Microstructures were examined using X-ray and electron microscopy, and the mechanical properties were evaluated using nanoindentation. The strength of nc-Cr samples apparently obeyed the classical Hall–Petch relationship. It was found that hardening potency caused by grain refinement was generally higher in body-centered cubic metals than that in face-centered cubic and hexagonal close-packed metals. A possible explanation was offered.</description><identifier>ISSN: 1359-6462</identifier><identifier>EISSN: 1872-8456</identifier><identifier>DOI: 10.1016/j.scriptamat.2012.09.025</identifier><language>eng</language><publisher>United States: Elsevier Ltd</publisher><subject>Grain boundaries ; Hall–Petch effect ; Nanocrystalline metal ; Nanoindentation</subject><ispartof>Scripta materialia, 2013-01, Vol.68 (2), p.118-121</ispartof><rights>2012 Acta Materialia Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c444t-dee537f7bebc5148fe7d5b10c582a7974661b684fedca45f7c5d339521f572533</citedby><cites>FETCH-LOGICAL-c444t-dee537f7bebc5148fe7d5b10c582a7974661b684fedca45f7c5d339521f572533</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.scriptamat.2012.09.025$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,315,781,785,886,3551,27926,27927,45997</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1059342$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Wu, D.</creatorcontrib><creatorcontrib>Zhang, Junyan</creatorcontrib><creatorcontrib>Huang, J.C.</creatorcontrib><creatorcontrib>Bei, H.</creatorcontrib><creatorcontrib>Nieh, T.G.</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><title>Grain-boundary strengthening in nanocrystalline chromium and the Hall–Petch coefficient of body-centered cubic metals</title><title>Scripta materialia</title><description>Nanocrystalline Cr (nc-Cr) was synthesized by electrodeposition. Samples with various grain sizes (19–57nm) were prepared by annealing the as-deposited sample. Microstructures were examined using X-ray and electron microscopy, and the mechanical properties were evaluated using nanoindentation. The strength of nc-Cr samples apparently obeyed the classical Hall–Petch relationship. It was found that hardening potency caused by grain refinement was generally higher in body-centered cubic metals than that in face-centered cubic and hexagonal close-packed metals. A possible explanation was offered.</description><subject>Grain boundaries</subject><subject>Hall–Petch effect</subject><subject>Nanocrystalline metal</subject><subject>Nanoindentation</subject><issn>1359-6462</issn><issn>1872-8456</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKBDEQRRtR8PkPwX23STrpx1LFFwi60HVIVypOBjuRJKPMzn_wD_0SM4zg0lVVUbfupU5VEUYbRll3tmwSRPeW9axzwynjDR0byuVOdcCGnteDkN1u6Vs51p3o-H51mNKSUtoxzg6qj5uona-nsPJGxzVJOaJ_yQv0zr8Q54nXPkBcp6xfX51HAosYZreaifaGFB25LYvvz69HzLAgENBaBw59JsGSKZh1DWXAiIbAanJAZixW6bjas6XgyW89qp6vr54ub-v7h5u7y_P7GoQQuTaIsu1tP-EEkonBYm_kxCjIget-7EXXsakbhEUDWkjbgzRtO0rOrOy5bNuj6nTrG1J2KoHLCAsI3iNkxagcW8GLaNiKIIaUIlr1Ft1ccBSF2lBWS_VHWW0oKzqqQrmcXmxPsTzx7jBuMtADGhc3ESa4_01-AFZ6jxY</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Wu, D.</creator><creator>Zhang, Junyan</creator><creator>Huang, J.C.</creator><creator>Bei, H.</creator><creator>Nieh, T.G.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20130101</creationdate><title>Grain-boundary strengthening in nanocrystalline chromium and the Hall–Petch coefficient of body-centered cubic metals</title><author>Wu, D. ; Zhang, Junyan ; Huang, J.C. ; Bei, H. ; Nieh, T.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c444t-dee537f7bebc5148fe7d5b10c582a7974661b684fedca45f7c5d339521f572533</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Grain boundaries</topic><topic>Hall–Petch effect</topic><topic>Nanocrystalline metal</topic><topic>Nanoindentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, D.</creatorcontrib><creatorcontrib>Zhang, Junyan</creatorcontrib><creatorcontrib>Huang, J.C.</creatorcontrib><creatorcontrib>Bei, H.</creatorcontrib><creatorcontrib>Nieh, T.G.</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Scripta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, D.</au><au>Zhang, Junyan</au><au>Huang, J.C.</au><au>Bei, H.</au><au>Nieh, T.G.</au><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Grain-boundary strengthening in nanocrystalline chromium and the Hall–Petch coefficient of body-centered cubic metals</atitle><jtitle>Scripta materialia</jtitle><date>2013-01-01</date><risdate>2013</risdate><volume>68</volume><issue>2</issue><spage>118</spage><epage>121</epage><pages>118-121</pages><issn>1359-6462</issn><eissn>1872-8456</eissn><abstract>Nanocrystalline Cr (nc-Cr) was synthesized by electrodeposition. Samples with various grain sizes (19–57nm) were prepared by annealing the as-deposited sample. Microstructures were examined using X-ray and electron microscopy, and the mechanical properties were evaluated using nanoindentation. The strength of nc-Cr samples apparently obeyed the classical Hall–Petch relationship. It was found that hardening potency caused by grain refinement was generally higher in body-centered cubic metals than that in face-centered cubic and hexagonal close-packed metals. A possible explanation was offered.</abstract><cop>United States</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.scriptamat.2012.09.025</doi><tpages>4</tpages></addata></record> |
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| subjects | Grain boundaries Hall–Petch effect Nanocrystalline metal Nanoindentation |
| title | Grain-boundary strengthening in nanocrystalline chromium and the Hall–Petch coefficient of body-centered cubic metals |
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