Influence of Si and Ni on Surface Hot-shortness of Cu-Sn Containing Steel Heated in Water Vapor Containing Atmosphere
This paper describes the influence of Si and Ni on surface hot-shortness of 0.3%Cu-0.04%Sn containing steel heated in water vapor containing atmosphere, where the atmosphere was changed in a manner of x%H2O-1%O2-bal.N2 (x=0, 10, 20, 30). Surface hot-shortness was assessed by measuring the surface cr...
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| Veröffentlicht in: | Tetsu to hagane 2003/11/01, Vol.89(11), pp.1134-1141 |
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| creator | HATANO, Masaharu KUNISHIGE, Kazutoshi |
| description | This paper describes the influence of Si and Ni on surface hot-shortness of 0.3%Cu-0.04%Sn containing steel heated in water vapor containing atmosphere, where the atmosphere was changed in a manner of x%H2O-1%O2-bal.N2 (x=0, 10, 20, 30). Surface hot-shortness was assessed by measuring the surface cracking depth occurring in the 1100°C hot-deformed specimens after 1250°C heating in the water vapor atmosphere. The microstructure at the scale/steel interface was closely observed and the effect of the mass gain on surface cracking depth was investigated. For lower than 0.01% Si steel, the surface cracking depth increased largely with the mass gain, while an addition of 0.1% Si seems to suppress the surface cracking, especially at increased mass gains and the change with the mass gain was small. Steels with 0.14%Ni-Si |
| doi_str_mv | 10.2355/tetsutohagane1955.89.11_1134 |
| format | Article |
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Surface hot-shortness was assessed by measuring the surface cracking depth occurring in the 1100°C hot-deformed specimens after 1250°C heating in the water vapor atmosphere. The microstructure at the scale/steel interface was closely observed and the effect of the mass gain on surface cracking depth was investigated. For lower than 0.01% Si steel, the surface cracking depth increased largely with the mass gain, while an addition of 0.1% Si seems to suppress the surface cracking, especially at increased mass gains and the change with the mass gain was small. Steels with 0.14%Ni-Si<0.01% and 0.14%Ni-0.02%Si contained showed unexpectedly a marked surface cracking even in as low as 0.6 kg/m2 mass gain of 0%H2O-1%O2-bal.N2 and the surface cracking decreased considerably with an increase in the mass gain. Si and Ni were found to be favorable alloying elements for suppression of the surface hot-shortness at increased mass gains in water vapor containing atmosphere. The mechanism of the suppression was discussed in terms of the unevenness of scale/steel interface and occlusion of Cu-Sn-Ni or Cu-Sn enriched liquid alloy into the scale.</description><identifier>ISSN: 0021-1575</identifier><identifier>EISSN: 1883-2954</identifier><identifier>DOI: 10.2355/tetsutohagane1955.89.11_1134</identifier><identifier>CODEN: TEHAA2</identifier><language>eng ; jpn</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>Cu-Sn containing steel ; Cu-Sn-Ni enriched liquid alloy ; iron scrap ; recycling ; surface hot-shortness ; tramp elements</subject><ispartof>Tetsu-to-Hagane, 2003/11/01, Vol.89(11), pp.1134-1141</ispartof><rights>The Iron and Steel Institute of Japan</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-848b546d4ea87ec2dd87f71912774a8ffcc48e2e2394ffe632a1ac74a0fc89da3</citedby><cites>FETCH-LOGICAL-c453t-848b546d4ea87ec2dd87f71912774a8ffcc48e2e2394ffe632a1ac74a0fc89da3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15374022$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>HATANO, Masaharu</creatorcontrib><creatorcontrib>KUNISHIGE, Kazutoshi</creatorcontrib><title>Influence of Si and Ni on Surface Hot-shortness of Cu-Sn Containing Steel Heated in Water Vapor Containing Atmosphere</title><title>Tetsu to hagane</title><addtitle>Tetsu-to-Hagane</addtitle><description>This paper describes the influence of Si and Ni on surface hot-shortness of 0.3%Cu-0.04%Sn containing steel heated in water vapor containing atmosphere, where the atmosphere was changed in a manner of x%H2O-1%O2-bal.N2 (x=0, 10, 20, 30). Surface hot-shortness was assessed by measuring the surface cracking depth occurring in the 1100°C hot-deformed specimens after 1250°C heating in the water vapor atmosphere. The microstructure at the scale/steel interface was closely observed and the effect of the mass gain on surface cracking depth was investigated. For lower than 0.01% Si steel, the surface cracking depth increased largely with the mass gain, while an addition of 0.1% Si seems to suppress the surface cracking, especially at increased mass gains and the change with the mass gain was small. Steels with 0.14%Ni-Si<0.01% and 0.14%Ni-0.02%Si contained showed unexpectedly a marked surface cracking even in as low as 0.6 kg/m2 mass gain of 0%H2O-1%O2-bal.N2 and the surface cracking decreased considerably with an increase in the mass gain. Si and Ni were found to be favorable alloying elements for suppression of the surface hot-shortness at increased mass gains in water vapor containing atmosphere. The mechanism of the suppression was discussed in terms of the unevenness of scale/steel interface and occlusion of Cu-Sn-Ni or Cu-Sn enriched liquid alloy into the scale.</description><subject>Cu-Sn containing steel</subject><subject>Cu-Sn-Ni enriched liquid alloy</subject><subject>iron scrap</subject><subject>recycling</subject><subject>surface hot-shortness</subject><subject>tramp elements</subject><issn>0021-1575</issn><issn>1883-2954</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNp1kEtrGzEUhUVpoSbJf9Ci6W6c0cvSQDfBtHEgJAH3sRQ3mitbYSy5kmaRf58JNkmhZHVf3z0HDiFfWDvnQqmLirWMNW1hAxFZp9TcdHPGLGNCfiAzZoxoeKfkRzJrW84aprT6TM5KCQ_TLI1caDEj43X0w4jRIU2ergOF2NPbQFOk6zF7mParVJuyTblGLOWFWo7NOtJlihVCDHFD1xVxoCuEij0Nkf6Zmkx_wz7lf7HLuktlv8WMp-STh6Hg2bGekF8_vv9crpqbu6vr5eVN46QStTHSPCi56CWC0eh43xvtNesY11qC8d45aZAjF530HheCAwM3nVrvTNeDOCFfD7r7nP6OWKrdheJwGKbI0lgs16YTTLUT-O0AupxKyejtPocd5CfLWvsSt_0vbms6e4x7ej8_-kBxMPgM0YXypqGEli3nE3d_4B5LhQ2-ApBrcAO-a_Jm9Yq6LWSLUTwDMlajTA</recordid><startdate>20031101</startdate><enddate>20031101</enddate><creator>HATANO, Masaharu</creator><creator>KUNISHIGE, Kazutoshi</creator><general>The Iron and Steel Institute of Japan</general><general>Nippon Tekko Kyokai</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20031101</creationdate><title>Influence of Si and Ni on Surface Hot-shortness of Cu-Sn Containing Steel Heated in Water Vapor Containing Atmosphere</title><author>HATANO, Masaharu ; KUNISHIGE, Kazutoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-848b546d4ea87ec2dd87f71912774a8ffcc48e2e2394ffe632a1ac74a0fc89da3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2003</creationdate><topic>Cu-Sn containing steel</topic><topic>Cu-Sn-Ni enriched liquid alloy</topic><topic>iron scrap</topic><topic>recycling</topic><topic>surface hot-shortness</topic><topic>tramp elements</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HATANO, Masaharu</creatorcontrib><creatorcontrib>KUNISHIGE, Kazutoshi</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Tetsu to hagane</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HATANO, Masaharu</au><au>KUNISHIGE, Kazutoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of Si and Ni on Surface Hot-shortness of Cu-Sn Containing Steel Heated in Water Vapor Containing Atmosphere</atitle><jtitle>Tetsu to hagane</jtitle><addtitle>Tetsu-to-Hagane</addtitle><date>2003-11-01</date><risdate>2003</risdate><volume>89</volume><issue>11</issue><spage>1134</spage><epage>1141</epage><pages>1134-1141</pages><issn>0021-1575</issn><eissn>1883-2954</eissn><coden>TEHAA2</coden><abstract>This paper describes the influence of Si and Ni on surface hot-shortness of 0.3%Cu-0.04%Sn containing steel heated in water vapor containing atmosphere, where the atmosphere was changed in a manner of x%H2O-1%O2-bal.N2 (x=0, 10, 20, 30). Surface hot-shortness was assessed by measuring the surface cracking depth occurring in the 1100°C hot-deformed specimens after 1250°C heating in the water vapor atmosphere. The microstructure at the scale/steel interface was closely observed and the effect of the mass gain on surface cracking depth was investigated. For lower than 0.01% Si steel, the surface cracking depth increased largely with the mass gain, while an addition of 0.1% Si seems to suppress the surface cracking, especially at increased mass gains and the change with the mass gain was small. Steels with 0.14%Ni-Si<0.01% and 0.14%Ni-0.02%Si contained showed unexpectedly a marked surface cracking even in as low as 0.6 kg/m2 mass gain of 0%H2O-1%O2-bal.N2 and the surface cracking decreased considerably with an increase in the mass gain. Si and Ni were found to be favorable alloying elements for suppression of the surface hot-shortness at increased mass gains in water vapor containing atmosphere. The mechanism of the suppression was discussed in terms of the unevenness of scale/steel interface and occlusion of Cu-Sn-Ni or Cu-Sn enriched liquid alloy into the scale.</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/tetsutohagane1955.89.11_1134</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng ; jpn |
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| source | J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Cu-Sn containing steel Cu-Sn-Ni enriched liquid alloy iron scrap recycling surface hot-shortness tramp elements |
| title | Influence of Si and Ni on Surface Hot-shortness of Cu-Sn Containing Steel Heated in Water Vapor Containing Atmosphere |
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