The effect of aging on the serrated yielding and intermediate temperature embrittlement of nickel-base C-276 alloy
The influence of aging on serrated yielding and intermediate temperature embrittlement (ITE) of nickel-based C-276 alloy has been investigated by microstructural characterization and tensile tests at temperatures ranging from 300 to 950°C with strain rate of 3 × 10–4s–1. The precipitated phases in t...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2018-01, Vol.714, p.59-67 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Pu, Enxiang Zheng, Wenjie Song, Zhigang Zhang, Ke Liu, Shuang Shen, Wenxing Dong, Han |
| description | The influence of aging on serrated yielding and intermediate temperature embrittlement (ITE) of nickel-based C-276 alloy has been investigated by microstructural characterization and tensile tests at temperatures ranging from 300 to 950°C with strain rate of 3 × 10–4s–1. The precipitated phases in the C-276 alloy aged at 870°C for various times were identified as μ phase and M6C. Tensile ductilities obtained at 700°C were found to increase with extending aging time until 12h, and thereafter, it remained almost unaffected by the aging time. Serrated flow was noticed for all temperatures for the solutionized alloy, and the alloy presented the typical ITE. Aging the solutionized alloy at 870°C/36h resulted in a disappearance of serrated yielding in the temperature range of 600–750°C, which is most possibly attributed to the very weak interaction between Mo atoms and mobile dislocation as a result of precipitation. Although aging for 36h at 870°C decreased the tensile ductilities of this alloy below 600°C, the aged alloy showed the absence of ITE and higher yield strength in comparison with solutionized alloy. The tensile ductilities in the aged alloy were insignificantly affected by increasing the temperature until 700°C, beyond which the tensile ductilities were found to increase drastically with temperature. |
| doi_str_mv | 10.1016/j.msea.2017.12.086 |
| format | Article |
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The precipitated phases in the C-276 alloy aged at 870°C for various times were identified as μ phase and M6C. Tensile ductilities obtained at 700°C were found to increase with extending aging time until 12h, and thereafter, it remained almost unaffected by the aging time. Serrated flow was noticed for all temperatures for the solutionized alloy, and the alloy presented the typical ITE. Aging the solutionized alloy at 870°C/36h resulted in a disappearance of serrated yielding in the temperature range of 600–750°C, which is most possibly attributed to the very weak interaction between Mo atoms and mobile dislocation as a result of precipitation. Although aging for 36h at 870°C decreased the tensile ductilities of this alloy below 600°C, the aged alloy showed the absence of ITE and higher yield strength in comparison with solutionized alloy. The tensile ductilities in the aged alloy were insignificantly affected by increasing the temperature until 700°C, beyond which the tensile ductilities were found to increase drastically with temperature.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2017.12.086</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Aging (metallurgy) ; Alloys ; C-276 alloy ; Chemical precipitation ; Dislocation mobility ; Ductility ; Dynamic strain aging ; Embrittlement ; Intermediate temperature embrittlement ; Mu phase ; Nickel ; Nickel base alloys ; Precipitation ; Serrated yielding ; Serrations ; Strain rate ; Tensile tests</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2018-01, Vol.714, p.59-67</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 31, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-401e57d19272c35fe9520e727acd8cb29932f9ae21fe30a9b10efa35a5fceb413</citedby><cites>FETCH-LOGICAL-c328t-401e57d19272c35fe9520e727acd8cb29932f9ae21fe30a9b10efa35a5fceb413</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2017.12.086$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Pu, Enxiang</creatorcontrib><creatorcontrib>Zheng, Wenjie</creatorcontrib><creatorcontrib>Song, Zhigang</creatorcontrib><creatorcontrib>Zhang, Ke</creatorcontrib><creatorcontrib>Liu, Shuang</creatorcontrib><creatorcontrib>Shen, Wenxing</creatorcontrib><creatorcontrib>Dong, Han</creatorcontrib><title>The effect of aging on the serrated yielding and intermediate temperature embrittlement of nickel-base C-276 alloy</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The influence of aging on serrated yielding and intermediate temperature embrittlement (ITE) of nickel-based C-276 alloy has been investigated by microstructural characterization and tensile tests at temperatures ranging from 300 to 950°C with strain rate of 3 × 10–4s–1. The precipitated phases in the C-276 alloy aged at 870°C for various times were identified as μ phase and M6C. Tensile ductilities obtained at 700°C were found to increase with extending aging time until 12h, and thereafter, it remained almost unaffected by the aging time. Serrated flow was noticed for all temperatures for the solutionized alloy, and the alloy presented the typical ITE. Aging the solutionized alloy at 870°C/36h resulted in a disappearance of serrated yielding in the temperature range of 600–750°C, which is most possibly attributed to the very weak interaction between Mo atoms and mobile dislocation as a result of precipitation. Although aging for 36h at 870°C decreased the tensile ductilities of this alloy below 600°C, the aged alloy showed the absence of ITE and higher yield strength in comparison with solutionized alloy. The tensile ductilities in the aged alloy were insignificantly affected by increasing the temperature until 700°C, beyond which the tensile ductilities were found to increase drastically with temperature.</description><subject>Aging (metallurgy)</subject><subject>Alloys</subject><subject>C-276 alloy</subject><subject>Chemical precipitation</subject><subject>Dislocation mobility</subject><subject>Ductility</subject><subject>Dynamic strain aging</subject><subject>Embrittlement</subject><subject>Intermediate temperature embrittlement</subject><subject>Mu phase</subject><subject>Nickel</subject><subject>Nickel base alloys</subject><subject>Precipitation</subject><subject>Serrated yielding</subject><subject>Serrations</subject><subject>Strain rate</subject><subject>Tensile tests</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEQx4MoWB9fwFPA866ZyW63AS9SfEHBi55DNjvR1H3UJBX67U2tZ08D83_M8GPsCkQJAuY363KIZEoU0JSApVjMj9gMFo0sKiXnx2wmFEJRCyVP2VmMayEEVKKesfD6QZycI5v45Lh59-M7n0ae8jpSCCZRx3ee-m4vmLHjfkwUBup8lniiYUPZtA25ZWiDT6mngcbfstHbT-qL1kTiywKbOTd9P-0u2IkzfaTLv3nO3h7uX5dPxerl8Xl5tyqsxEUqKgFUNx0obNDK2pGqUVCDjbHdwraolESnDCE4ksKoFgQ5I2tTO0ttBfKcXR96N2H62lJMej1tw5hPahQVNDVKwOzCg8uGKcZATm-CH0zYaRB6z1av9Z6t3rPVgDqzzaHbQ4jy_9-ego7W02gzlZBJ6m7y_8V_AFkPg0Y</recordid><startdate>20180131</startdate><enddate>20180131</enddate><creator>Pu, Enxiang</creator><creator>Zheng, Wenjie</creator><creator>Song, Zhigang</creator><creator>Zhang, Ke</creator><creator>Liu, Shuang</creator><creator>Shen, Wenxing</creator><creator>Dong, Han</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>20180131</creationdate><title>The effect of aging on the serrated yielding and intermediate temperature embrittlement of nickel-base C-276 alloy</title><author>Pu, Enxiang ; Zheng, Wenjie ; Song, Zhigang ; Zhang, Ke ; Liu, Shuang ; Shen, Wenxing ; Dong, Han</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-401e57d19272c35fe9520e727acd8cb29932f9ae21fe30a9b10efa35a5fceb413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Aging (metallurgy)</topic><topic>Alloys</topic><topic>C-276 alloy</topic><topic>Chemical precipitation</topic><topic>Dislocation mobility</topic><topic>Ductility</topic><topic>Dynamic strain aging</topic><topic>Embrittlement</topic><topic>Intermediate temperature embrittlement</topic><topic>Mu phase</topic><topic>Nickel</topic><topic>Nickel base alloys</topic><topic>Precipitation</topic><topic>Serrated yielding</topic><topic>Serrations</topic><topic>Strain rate</topic><topic>Tensile tests</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pu, Enxiang</creatorcontrib><creatorcontrib>Zheng, Wenjie</creatorcontrib><creatorcontrib>Song, Zhigang</creatorcontrib><creatorcontrib>Zhang, Ke</creatorcontrib><creatorcontrib>Liu, Shuang</creatorcontrib><creatorcontrib>Shen, Wenxing</creatorcontrib><creatorcontrib>Dong, Han</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>2018-01-31</date><risdate>2018</risdate><volume>714</volume><spage>59</spage><epage>67</epage><pages>59-67</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The influence of aging on serrated yielding and intermediate temperature embrittlement (ITE) of nickel-based C-276 alloy has been investigated by microstructural characterization and tensile tests at temperatures ranging from 300 to 950°C with strain rate of 3 × 10–4s–1. The precipitated phases in the C-276 alloy aged at 870°C for various times were identified as μ phase and M6C. Tensile ductilities obtained at 700°C were found to increase with extending aging time until 12h, and thereafter, it remained almost unaffected by the aging time. Serrated flow was noticed for all temperatures for the solutionized alloy, and the alloy presented the typical ITE. Aging the solutionized alloy at 870°C/36h resulted in a disappearance of serrated yielding in the temperature range of 600–750°C, which is most possibly attributed to the very weak interaction between Mo atoms and mobile dislocation as a result of precipitation. Although aging for 36h at 870°C decreased the tensile ductilities of this alloy below 600°C, the aged alloy showed the absence of ITE and higher yield strength in comparison with solutionized alloy. The tensile ductilities in the aged alloy were insignificantly affected by increasing the temperature until 700°C, beyond which the tensile ductilities were found to increase drastically with temperature.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2017.12.086</doi><tpages>9</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2018-01, Vol.714, p.59-67 |
| issn | 0921-5093 1873-4936 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Aging (metallurgy) Alloys C-276 alloy Chemical precipitation Dislocation mobility Ductility Dynamic strain aging Embrittlement Intermediate temperature embrittlement Mu phase Nickel Nickel base alloys Precipitation Serrated yielding Serrations Strain rate Tensile tests |
| title | The effect of aging on the serrated yielding and intermediate temperature embrittlement of nickel-base C-276 alloy |
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