Effect of Magnesium on Inclusion Formation in Ti-Killed Steels and Microstructural Evolution in Welding Induced Coarse-Grained Heat Affected Zone
Effects of Mg on the chemical component and size distribution of Ti-bearing inclusions favored grain refinement of the welding induced coarse-grained heat affected zone （CGHAZ）, with enhanced impact toughness in Ti-killed steels, which were examined based on experimental observations and thermodynam...
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| Veröffentlicht in: | Journal of iron and steel research, international international, 2009, Vol.16 (1), p.69-74 |
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| creator | CHAI, Feng YANG, Cai-fu SU, Hang ZHANG, Yong-quan XU, Zhou |
| description | Effects of Mg on the chemical component and size distribution of Ti-bearing inclusions favored grain refinement of the welding induced coarse-grained heat affected zone （CGHAZ）, with enhanced impact toughness in Ti-killed steels, which were examined based on experimental observations and thermodynamic calculations. The results indicated that the chemical constituents of the inclusions gradually varied from the Ti-O＋Ti-Mg-O compound oxide to the Ti-Mg-O＋MgO compound oxide and the single-phase MgO, as the Mg content increased from 0.002 3M to 0.006%. A trace addition of Mg （approximately 0. 002%） led to the refinement of Ti-bearing inclusions by creating the Ti-Mg-O compound oxide and provided favorable size distribution of the inclusions for acicular ferrite transformation with a high nucleation rate in the CGHAZ, and a high volume fraction of acicular ferrite was obtained in the CGHAZ with enhanced impact toughness. Otherwise, a high content of Mg （approximately 0. 006%） produced a single-phase MgO, which was impotent to nucleate an acicular ferrite, and a microstructure comprised of a ferrite side plate and a grain boundary ferrite developed in the CGHAZ. The experimental results were confirmed by thermodynamic calculations. |
| doi_str_mv | 10.1016/S1006-706X(09)60013-3 |
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The results indicated that the chemical constituents of the inclusions gradually varied from the Ti-O＋Ti-Mg-O compound oxide to the Ti-Mg-O＋MgO compound oxide and the single-phase MgO, as the Mg content increased from 0.002 3M to 0.006%. A trace addition of Mg （approximately 0. 002%） led to the refinement of Ti-bearing inclusions by creating the Ti-Mg-O compound oxide and provided favorable size distribution of the inclusions for acicular ferrite transformation with a high nucleation rate in the CGHAZ, and a high volume fraction of acicular ferrite was obtained in the CGHAZ with enhanced impact toughness. Otherwise, a high content of Mg （approximately 0. 006%） produced a single-phase MgO, which was impotent to nucleate an acicular ferrite, and a microstructure comprised of a ferrite side plate and a grain boundary ferrite developed in the CGHAZ. The experimental results were confirmed by thermodynamic calculations.</description><identifier>ISSN: 1006-706X</identifier><identifier>EISSN: 2210-3988</identifier><identifier>DOI: 10.1016/S1006-706X(09)60013-3</identifier><language>eng</language><publisher>Singapore: Elsevier Ltd</publisher><subject>acicular ferrite ; Applied and Technical Physics ; coarse-grained heat affected zone (CGHAZ) ; Engineering ; Machines ; magnesium ; Manufacturing ; Materials Engineering ; Materials Science ; Metallic Materials ; non-metallic inclusion ; Physical Chemistry ; Processes ; 夹杂物 ; 氧化镁 ; 焊接 ; 粗晶热影响区 ; 组织演变 ; 诱导 ; 针状铁素体 ; 钛镇静钢</subject><ispartof>Journal of iron and steel research, international, 2009, Vol.16 (1), p.69-74</ispartof><rights>2009 Central Iron and Steel Research Institute</rights><rights>China Iron and Steel Research Institute Group 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c480t-6e8e5d074d9733c51e6c95e0973c83a6f7f87b008c575ea8c7ad36cc33f6a2803</citedby><cites>FETCH-LOGICAL-c480t-6e8e5d074d9733c51e6c95e0973c83a6f7f87b008c575ea8c7ad36cc33f6a2803</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/86787X/86787X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1016/S1006-706X(09)60013-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1006706X09600133$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,41464,42533,51294,65306</link.rule.ids></links><search><creatorcontrib>CHAI, Feng</creatorcontrib><creatorcontrib>YANG, Cai-fu</creatorcontrib><creatorcontrib>SU, Hang</creatorcontrib><creatorcontrib>ZHANG, Yong-quan</creatorcontrib><creatorcontrib>XU, Zhou</creatorcontrib><title>Effect of Magnesium on Inclusion Formation in Ti-Killed Steels and Microstructural Evolution in Welding Induced Coarse-Grained Heat Affected Zone</title><title>Journal of iron and steel research, international</title><addtitle>J. Iron Steel Res. Int</addtitle><addtitle>Journal of Iron and Steel Research</addtitle><description>Effects of Mg on the chemical component and size distribution of Ti-bearing inclusions favored grain refinement of the welding induced coarse-grained heat affected zone （CGHAZ）, with enhanced impact toughness in Ti-killed steels, which were examined based on experimental observations and thermodynamic calculations. The results indicated that the chemical constituents of the inclusions gradually varied from the Ti-O＋Ti-Mg-O compound oxide to the Ti-Mg-O＋MgO compound oxide and the single-phase MgO, as the Mg content increased from 0.002 3M to 0.006%. A trace addition of Mg （approximately 0. 002%） led to the refinement of Ti-bearing inclusions by creating the Ti-Mg-O compound oxide and provided favorable size distribution of the inclusions for acicular ferrite transformation with a high nucleation rate in the CGHAZ, and a high volume fraction of acicular ferrite was obtained in the CGHAZ with enhanced impact toughness. Otherwise, a high content of Mg （approximately 0. 006%） produced a single-phase MgO, which was impotent to nucleate an acicular ferrite, and a microstructure comprised of a ferrite side plate and a grain boundary ferrite developed in the CGHAZ. The experimental results were confirmed by thermodynamic calculations.</description><subject>acicular ferrite</subject><subject>Applied and Technical Physics</subject><subject>coarse-grained heat affected zone (CGHAZ)</subject><subject>Engineering</subject><subject>Machines</subject><subject>magnesium</subject><subject>Manufacturing</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>non-metallic inclusion</subject><subject>Physical Chemistry</subject><subject>Processes</subject><subject>夹杂物</subject><subject>氧化镁</subject><subject>焊接</subject><subject>粗晶热影响区</subject><subject>组织演变</subject><subject>诱导</subject><subject>针状铁素体</subject><subject>钛镇静钢</subject><issn>1006-706X</issn><issn>2210-3988</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkctuFDEQRS0EEqOQT0CyWCBYNFS3p233CkWjyUNJxCJBIDaW4y4PDh47sduR-Az-OO6ZwDbeuEq6px63CHnbwqcWWv75qgXgjQD-4wMMHzlAyxr2giy6roWGDVK-JIv_ktfkMOdbmN_AWScX5O_aWjQTjZZe6k3A7MqWxkDPgvEluxodx7TV0xy5QK9dc-68x5FeTYg-Ux1GeulMinlKxUwlaU_XD9GXf8R39KMLm1pwLKZyq6hTxuYkaRdqeop6oke7GWr2MwZ8Q15Z7TMePv0H5Nvx-np12lx8PTlbHV00ZilhajhK7EcQy3EQjJm-RW6GHqFmRjLNrbBS3ABI04setTRCj4wbw5jlupPADsj7fd27FO8L5kltXTbovQ4YS1ZsKZYd8KEK-71w3jIntOouua1Of1QLar6B2t1AzQYrGNTuBopVju-5XPVhg0ndxpJC3elZ8MserAbjg6tgNg5Ddc-l6pMao3u2wrunkX_FsLmv3dWNNr-t86i6QXQDcM4eAb7xq_E</recordid><startdate>2009</startdate><enddate>2009</enddate><creator>CHAI, Feng</creator><creator>YANG, Cai-fu</creator><creator>SU, Hang</creator><creator>ZHANG, Yong-quan</creator><creator>XU, Zhou</creator><general>Elsevier Ltd</general><general>Springer Singapore</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2009</creationdate><title>Effect of Magnesium on Inclusion Formation in Ti-Killed Steels and Microstructural Evolution in Welding Induced Coarse-Grained Heat Affected Zone</title><author>CHAI, Feng ; YANG, Cai-fu ; SU, Hang ; ZHANG, Yong-quan ; XU, Zhou</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c480t-6e8e5d074d9733c51e6c95e0973c83a6f7f87b008c575ea8c7ad36cc33f6a2803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>acicular ferrite</topic><topic>Applied and Technical Physics</topic><topic>coarse-grained heat affected zone (CGHAZ)</topic><topic>Engineering</topic><topic>Machines</topic><topic>magnesium</topic><topic>Manufacturing</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>non-metallic inclusion</topic><topic>Physical Chemistry</topic><topic>Processes</topic><topic>夹杂物</topic><topic>氧化镁</topic><topic>焊接</topic><topic>粗晶热影响区</topic><topic>组织演变</topic><topic>诱导</topic><topic>针状铁素体</topic><topic>钛镇静钢</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CHAI, Feng</creatorcontrib><creatorcontrib>YANG, Cai-fu</creatorcontrib><creatorcontrib>SU, Hang</creatorcontrib><creatorcontrib>ZHANG, Yong-quan</creatorcontrib><creatorcontrib>XU, Zhou</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of iron and steel research, international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>CHAI, Feng</au><au>YANG, Cai-fu</au><au>SU, Hang</au><au>ZHANG, Yong-quan</au><au>XU, Zhou</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Magnesium on Inclusion Formation in Ti-Killed Steels and Microstructural Evolution in Welding Induced Coarse-Grained Heat Affected Zone</atitle><jtitle>Journal of iron and steel research, international</jtitle><stitle>J. Iron Steel Res. Int</stitle><addtitle>Journal of Iron and Steel Research</addtitle><date>2009</date><risdate>2009</risdate><volume>16</volume><issue>1</issue><spage>69</spage><epage>74</epage><pages>69-74</pages><issn>1006-706X</issn><eissn>2210-3988</eissn><abstract>Effects of Mg on the chemical component and size distribution of Ti-bearing inclusions favored grain refinement of the welding induced coarse-grained heat affected zone （CGHAZ）, with enhanced impact toughness in Ti-killed steels, which were examined based on experimental observations and thermodynamic calculations. The results indicated that the chemical constituents of the inclusions gradually varied from the Ti-O＋Ti-Mg-O compound oxide to the Ti-Mg-O＋MgO compound oxide and the single-phase MgO, as the Mg content increased from 0.002 3M to 0.006%. A trace addition of Mg （approximately 0. 002%） led to the refinement of Ti-bearing inclusions by creating the Ti-Mg-O compound oxide and provided favorable size distribution of the inclusions for acicular ferrite transformation with a high nucleation rate in the CGHAZ, and a high volume fraction of acicular ferrite was obtained in the CGHAZ with enhanced impact toughness. Otherwise, a high content of Mg （approximately 0. 006%） produced a single-phase MgO, which was impotent to nucleate an acicular ferrite, and a microstructure comprised of a ferrite side plate and a grain boundary ferrite developed in the CGHAZ. The experimental results were confirmed by thermodynamic calculations.</abstract><cop>Singapore</cop><pub>Elsevier Ltd</pub><doi>10.1016/S1006-706X(09)60013-3</doi><tpages>6</tpages></addata></record> |
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| subjects | acicular ferrite Applied and Technical Physics coarse-grained heat affected zone (CGHAZ) Engineering Machines magnesium Manufacturing Materials Engineering Materials Science Metallic Materials non-metallic inclusion Physical Chemistry Processes 夹杂物 氧化镁 焊接 粗晶热影响区 组织演变 诱导 针状铁素体 钛镇静钢 |
| title | Effect of Magnesium on Inclusion Formation in Ti-Killed Steels and Microstructural Evolution in Welding Induced Coarse-Grained Heat Affected Zone |
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