Decarburization of Steel to Ultra-low-carbon Levels by Vacuum Levitation
Vacuum levitation experiments were carried out on approx1 g steel samples initially containing from 35-2000 ppm (mass) carbon, from 40-3300 ppm (mass) sulfur and from 200-800 ppm (mass) oxygen at temperatures in the range 1550-1850 deg C and at vacuums of 20 and 40 Pa. It was found that the rate of...
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| Veröffentlicht in: | ISIJ International 1999/01/15, Vol.39(1), pp.99-101 |
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| creator | Liu, Jin Harris, Ralph |
| description | Vacuum levitation experiments were carried out on approx1 g steel samples initially containing from 35-2000 ppm (mass) carbon, from 40-3300 ppm (mass) sulfur and from 200-800 ppm (mass) oxygen at temperatures in the range 1550-1850 deg C and at vacuums of 20 and 40 Pa. It was found that the rate of decarburization was proportional to the carbon content of the samples. The overall carbon mass transfer coefficient was approx1.6x10 exp -5 m/s and was seen to increase slightly with decreasing chamber pressure. Chemical reaction control was not suggested since the decarburization rate was insensitive to initial sulfur content and the variation associated with levitation temperature due to variation in the initial sample mass. |
| doi_str_mv | 10.2355/isijinternational.39.99 |
| format | Article |
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It was found that the rate of decarburization was proportional to the carbon content of the samples. The overall carbon mass transfer coefficient was approx1.6x10 exp -5 m/s and was seen to increase slightly with decreasing chamber pressure. Chemical reaction control was not suggested since the decarburization rate was insensitive to initial sulfur content and the variation associated with levitation temperature due to variation in the initial sample mass.</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.39.99</identifier><language>eng</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>Applied sciences ; Exact sciences and technology ; Iron and steel making ; Metals. Metallurgy ; Production of metals ; Remelting of steel</subject><ispartof>ISIJ International, 1999/01/15, Vol.39(1), pp.99-101</ispartof><rights>The Iron and Steel Institute of Japan</rights><rights>1999 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c604t-bc213c93cf18d484152323f9ce216bc917f8f42cf0bd3d4af840d519421985053</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1676811$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Jin</creatorcontrib><creatorcontrib>Harris, Ralph</creatorcontrib><title>Decarburization of Steel to Ultra-low-carbon Levels by Vacuum Levitation</title><title>ISIJ International</title><addtitle>ISIJ Int.</addtitle><description>Vacuum levitation experiments were carried out on approx1 g steel samples initially containing from 35-2000 ppm (mass) carbon, from 40-3300 ppm (mass) sulfur and from 200-800 ppm (mass) oxygen at temperatures in the range 1550-1850 deg C and at vacuums of 20 and 40 Pa. It was found that the rate of decarburization was proportional to the carbon content of the samples. The overall carbon mass transfer coefficient was approx1.6x10 exp -5 m/s and was seen to increase slightly with decreasing chamber pressure. Chemical reaction control was not suggested since the decarburization rate was insensitive to initial sulfur content and the variation associated with levitation temperature due to variation in the initial sample mass.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Iron and steel making</subject><subject>Metals. 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Metallurgy</topic><topic>Production of metals</topic><topic>Remelting of steel</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Jin</creatorcontrib><creatorcontrib>Harris, Ralph</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>ISIJ International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Jin</au><au>Harris, Ralph</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Decarburization of Steel to Ultra-low-carbon Levels by Vacuum Levitation</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>1999-01-01</date><risdate>1999</risdate><volume>39</volume><issue>1</issue><spage>99</spage><epage>101</epage><pages>99-101</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>Vacuum levitation experiments were carried out on approx1 g steel samples initially containing from 35-2000 ppm (mass) carbon, from 40-3300 ppm (mass) sulfur and from 200-800 ppm (mass) oxygen at temperatures in the range 1550-1850 deg C and at vacuums of 20 and 40 Pa. It was found that the rate of decarburization was proportional to the carbon content of the samples. The overall carbon mass transfer coefficient was approx1.6x10 exp -5 m/s and was seen to increase slightly with decreasing chamber pressure. Chemical reaction control was not suggested since the decarburization rate was insensitive to initial sulfur content and the variation associated with levitation temperature due to variation in the initial sample mass.</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.39.99</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Free Full-Text Journals in Chemistry |
| subjects | Applied sciences Exact sciences and technology Iron and steel making Metals. Metallurgy Production of metals Remelting of steel |
| title | Decarburization of Steel to Ultra-low-carbon Levels by Vacuum Levitation |
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