Effects of microstructure and crystallography on mechanical properties of cold-rolled SAE1078 pearlitic steel
The evolution of the microstructure and crystallography in SAE1078 pearlitic steel sheets under different cold-rolling reductions of up to 90% were quantified using transmission electron microscopy (TEM), electron backscatter diffraction (EBSD), and X-ray diffraction (XRD). The mechanical properties...
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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.709, p.115-124 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Liu, Y. Yang, C.D. Liu, M. Wang, C.H. Dai, Y.C. Li, X. Russell, A.M. Zhang, C.X. Zhang, Z.H. Cao, G.H. |
| description | The evolution of the microstructure and crystallography in SAE1078 pearlitic steel sheets under different cold-rolling reductions of up to 90% were quantified using transmission electron microscopy (TEM), electron backscatter diffraction (EBSD), and X-ray diffraction (XRD). The mechanical properties were determined by tensile testing at room temperature. TEM analysis showed that the pearlite structure was obviously refined with the interlamellar spacing decreasing to about 57nm at the rolling reduction of 90%. EBSD investigations indicated that the ferrite exhibited a {001} texture in the 90% cold-rolled pearlitic steel. The dislocations were mainly concentrated during cold rolling between the 10% and 70% reduction ratios as the average kernel average misorientation (KAM) angle increased from 0.75° to 1.20°. XRD examination revealed that a transformation from bcc to bct crystal structure of ferrite occurred at 90% rolling reduction due to the supersaturation of carbon. Significant augmentation in the ultimate tensile strength during cold rolling results from the boundary, dislocation, and solid solution strengthening mechanisms. |
| doi_str_mv | 10.1016/j.msea.2017.10.050 |
| format | Article |
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The mechanical properties were determined by tensile testing at room temperature. TEM analysis showed that the pearlite structure was obviously refined with the interlamellar spacing decreasing to about 57nm at the rolling reduction of 90%. EBSD investigations indicated that the ferrite exhibited a {001} texture in the 90% cold-rolled pearlitic steel. The dislocations were mainly concentrated during cold rolling between the 10% and 70% reduction ratios as the average kernel average misorientation (KAM) angle increased from 0.75° to 1.20°. XRD examination revealed that a transformation from bcc to bct crystal structure of ferrite occurred at 90% rolling reduction due to the supersaturation of carbon. Significant augmentation in the ultimate tensile strength during cold rolling results from the boundary, dislocation, and solid solution strengthening mechanisms.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2017.10.050</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Augmentation ; Cold rolling ; Cold working ; Crystal structure ; Crystallography ; Dislocations ; EBSD ; Electron backscatter diffraction ; Ferrites ; Mechanical characterization ; Mechanical properties ; Metal sheets ; Microstructure ; Misalignment ; Pearlite ; Reduction ; Solution strengthening ; Steel ; Supersaturation ; Tensile strength ; Transmission electron microscopy ; Ultimate tensile strength ; X-ray diffraction</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2018-01, Vol.709, p.115-124</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 2, 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-1c0afff70f95918c412b58e44f0cbd40210e32a9470a1a38ad3d8c216f9fe8b53</citedby><cites>FETCH-LOGICAL-c372t-1c0afff70f95918c412b58e44f0cbd40210e32a9470a1a38ad3d8c216f9fe8b53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0921509317313679$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Liu, Y.</creatorcontrib><creatorcontrib>Yang, C.D.</creatorcontrib><creatorcontrib>Liu, M.</creatorcontrib><creatorcontrib>Wang, C.H.</creatorcontrib><creatorcontrib>Dai, Y.C.</creatorcontrib><creatorcontrib>Li, X.</creatorcontrib><creatorcontrib>Russell, A.M.</creatorcontrib><creatorcontrib>Zhang, C.X.</creatorcontrib><creatorcontrib>Zhang, Z.H.</creatorcontrib><creatorcontrib>Cao, G.H.</creatorcontrib><title>Effects of microstructure and crystallography on mechanical properties of cold-rolled SAE1078 pearlitic steel</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The evolution of the microstructure and crystallography in SAE1078 pearlitic steel sheets under different cold-rolling reductions of up to 90% were quantified using transmission electron microscopy (TEM), electron backscatter diffraction (EBSD), and X-ray diffraction (XRD). The mechanical properties were determined by tensile testing at room temperature. TEM analysis showed that the pearlite structure was obviously refined with the interlamellar spacing decreasing to about 57nm at the rolling reduction of 90%. EBSD investigations indicated that the ferrite exhibited a {001} texture in the 90% cold-rolled pearlitic steel. The dislocations were mainly concentrated during cold rolling between the 10% and 70% reduction ratios as the average kernel average misorientation (KAM) angle increased from 0.75° to 1.20°. XRD examination revealed that a transformation from bcc to bct crystal structure of ferrite occurred at 90% rolling reduction due to the supersaturation of carbon. Significant augmentation in the ultimate tensile strength during cold rolling results from the boundary, dislocation, and solid solution strengthening mechanisms.</description><subject>Augmentation</subject><subject>Cold rolling</subject><subject>Cold working</subject><subject>Crystal structure</subject><subject>Crystallography</subject><subject>Dislocations</subject><subject>EBSD</subject><subject>Electron backscatter diffraction</subject><subject>Ferrites</subject><subject>Mechanical characterization</subject><subject>Mechanical properties</subject><subject>Metal sheets</subject><subject>Microstructure</subject><subject>Misalignment</subject><subject>Pearlite</subject><subject>Reduction</subject><subject>Solution strengthening</subject><subject>Steel</subject><subject>Supersaturation</subject><subject>Tensile strength</subject><subject>Transmission electron microscopy</subject><subject>Ultimate tensile strength</subject><subject>X-ray diffraction</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kMlKBDEQhoMoOC4v4CngucdK0it4ERkXGPCgnkMmXdEM6U6bZIR5e9OOZ08FP_XV8hFyxWDJgNU32-UQUS05sCYHS6jgiCxY24ii7ER9TBbQcVZU0IlTchbjFgBYCdWCDCtjUKdIvaGD1cHHFHY67QJSNfZUh31Myjn_EdT0uad-pAPqTzVarRydgp8wJIu_uPauL4J3Dnv6erdi0LR0QhWcTVbTmBDdBTkxykW8_Kvn5P1h9Xb_VKxfHp_v79aFFg1PBdOgjDENmK7qWKtLxjdVi2VpQG_6EjgDFFx1ZQOKKdGqXvSt5qw2ncF2U4lzcn2Ymy_82mFMcut3YcwrZVbERV3VFc9d_NA1vx0DGjkFO6iwlwzkrFVu5ax1Zpo5y1ozdHuAMN__bTHIqC2OGnsbskjZe_sf_gNHfYHS</recordid><startdate>20180102</startdate><enddate>20180102</enddate><creator>Liu, Y.</creator><creator>Yang, C.D.</creator><creator>Liu, M.</creator><creator>Wang, C.H.</creator><creator>Dai, Y.C.</creator><creator>Li, X.</creator><creator>Russell, A.M.</creator><creator>Zhang, C.X.</creator><creator>Zhang, Z.H.</creator><creator>Cao, G.H.</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>20180102</creationdate><title>Effects of microstructure and crystallography on mechanical properties of cold-rolled SAE1078 pearlitic steel</title><author>Liu, Y. ; Yang, C.D. ; Liu, M. ; Wang, C.H. ; Dai, Y.C. ; Li, X. ; Russell, A.M. ; Zhang, C.X. ; Zhang, Z.H. ; Cao, G.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c372t-1c0afff70f95918c412b58e44f0cbd40210e32a9470a1a38ad3d8c216f9fe8b53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Augmentation</topic><topic>Cold rolling</topic><topic>Cold working</topic><topic>Crystal structure</topic><topic>Crystallography</topic><topic>Dislocations</topic><topic>EBSD</topic><topic>Electron backscatter diffraction</topic><topic>Ferrites</topic><topic>Mechanical characterization</topic><topic>Mechanical properties</topic><topic>Metal sheets</topic><topic>Microstructure</topic><topic>Misalignment</topic><topic>Pearlite</topic><topic>Reduction</topic><topic>Solution strengthening</topic><topic>Steel</topic><topic>Supersaturation</topic><topic>Tensile strength</topic><topic>Transmission electron microscopy</topic><topic>Ultimate tensile strength</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Y.</creatorcontrib><creatorcontrib>Yang, C.D.</creatorcontrib><creatorcontrib>Liu, M.</creatorcontrib><creatorcontrib>Wang, C.H.</creatorcontrib><creatorcontrib>Dai, Y.C.</creatorcontrib><creatorcontrib>Li, X.</creatorcontrib><creatorcontrib>Russell, A.M.</creatorcontrib><creatorcontrib>Zhang, C.X.</creatorcontrib><creatorcontrib>Zhang, Z.H.</creatorcontrib><creatorcontrib>Cao, G.H.</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>2018-01-02</date><risdate>2018</risdate><volume>709</volume><spage>115</spage><epage>124</epage><pages>115-124</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The evolution of the microstructure and crystallography in SAE1078 pearlitic steel sheets under different cold-rolling reductions of up to 90% were quantified using transmission electron microscopy (TEM), electron backscatter diffraction (EBSD), and X-ray diffraction (XRD). The mechanical properties were determined by tensile testing at room temperature. TEM analysis showed that the pearlite structure was obviously refined with the interlamellar spacing decreasing to about 57nm at the rolling reduction of 90%. EBSD investigations indicated that the ferrite exhibited a {001} texture in the 90% cold-rolled pearlitic steel. The dislocations were mainly concentrated during cold rolling between the 10% and 70% reduction ratios as the average kernel average misorientation (KAM) angle increased from 0.75° to 1.20°. XRD examination revealed that a transformation from bcc to bct crystal structure of ferrite occurred at 90% rolling reduction due to the supersaturation of carbon. Significant augmentation in the ultimate tensile strength during cold rolling results from the boundary, dislocation, and solid solution strengthening mechanisms.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2017.10.050</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Augmentation Cold rolling Cold working Crystal structure Crystallography Dislocations EBSD Electron backscatter diffraction Ferrites Mechanical characterization Mechanical properties Metal sheets Microstructure Misalignment Pearlite Reduction Solution strengthening Steel Supersaturation Tensile strength Transmission electron microscopy Ultimate tensile strength X-ray diffraction |
| title | Effects of microstructure and crystallography on mechanical properties of cold-rolled SAE1078 pearlitic steel |
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