Investigations on the equilibria between Al‐Ca‐O containing iron melts and CaO‐Al2O3‐FeOn slags
The equilibria between liquid CaO‐Al2O3‐FeOn slags and Al‐Ca‐O‐containing iron melts in contact with pure lime (CaO) and pure calcium aluminate (CaO‐2Al2O3) crucibles were investigated at 1600°C. The iron mass content of the metal phase was varied between 0 and almost 100 %. The results show a stron...
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| Veröffentlicht in: | Steel Research 1998-09, Vol.69 (9), p.355-358 |
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| creator | Schürmann, Eberhard Braun, Uwe Pluschkell, Wolfgang |
| description | The equilibria between liquid CaO‐Al2O3‐FeOn slags and Al‐Ca‐O‐containing iron melts in contact with pure lime (CaO) and pure calcium aluminate (CaO‐2Al2O3) crucibles were investigated at 1600°C. The iron mass content of the metal phase was varied between 0 and almost 100 %. The results show a strong influence of the miscibility gap in the system Fe‐Al‐Ca arising from the Fe‐Ca binary system on the phase equilibria. By these investigations the conditions of solid alumina reduction by dissolved calcium to liquid calcium aluminate were determined.
In reinen Kalk‐ (CaO) und Kalkaluminat‐ (CaO‐2Al2O3) Tiegeln sind bei 1600°C die Gleichgewichte der an diesen festen Phasen gesättigten CaO‐Al2O3‐FeOn‐Schlacken mit Ca‐Al‐und O‐haltigen Eisenschmelzen untersucht worden, deren Eisenmassengehalte von 0 bis fast 100% variiert wurden. Die Ergebnisse zeigen den starken Einfluß der im System Fe‐Al‐Ca vom Randsystem Fe‐Ca ausgehenden Mischungslücke auf und stecken den Bereich der Ca‐ und Al‐Gehalte ab, in dem das Ca in der Lage ist, die Tonerde der Al‐Desoxidation durch Reduktion in flüssige Kalkaluminate umzuwandeln. |
| doi_str_mv | 10.1002/srin.199805564 |
| format | Article |
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In reinen Kalk‐ (CaO) und Kalkaluminat‐ (CaO‐2Al2O3) Tiegeln sind bei 1600°C die Gleichgewichte der an diesen festen Phasen gesättigten CaO‐Al2O3‐FeOn‐Schlacken mit Ca‐Al‐und O‐haltigen Eisenschmelzen untersucht worden, deren Eisenmassengehalte von 0 bis fast 100% variiert wurden. Die Ergebnisse zeigen den starken Einfluß der im System Fe‐Al‐Ca vom Randsystem Fe‐Ca ausgehenden Mischungslücke auf und stecken den Bereich der Ca‐ und Al‐Gehalte ab, in dem das Ca in der Lage ist, die Tonerde der Al‐Desoxidation durch Reduktion in flüssige Kalkaluminate umzuwandeln.</description><identifier>ISSN: 0177-4832</identifier><identifier>EISSN: 1869-344X</identifier><identifier>DOI: 10.1002/srin.199805564</identifier><identifier>CODEN: STLRCX</identifier><language>eng</language><publisher>Düsseldorf: Stahleisen</publisher><subject>Applied sciences ; Exact sciences and technology ; Metallurgical fundamentals ; Metals. Metallurgy ; Production of metals</subject><ispartof>Steel Research, 1998-09, Vol.69 (9), p.355-358</ispartof><rights>Copyright © 1998 Verlag Stahleisen GmbH</rights><rights>1999 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fsrin.199805564$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fsrin.199805564$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1582308$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Schürmann, Eberhard</creatorcontrib><creatorcontrib>Braun, Uwe</creatorcontrib><creatorcontrib>Pluschkell, Wolfgang</creatorcontrib><title>Investigations on the equilibria between Al‐Ca‐O containing iron melts and CaO‐Al2O3‐FeOn slags</title><title>Steel Research</title><description>The equilibria between liquid CaO‐Al2O3‐FeOn slags and Al‐Ca‐O‐containing iron melts in contact with pure lime (CaO) and pure calcium aluminate (CaO‐2Al2O3) crucibles were investigated at 1600°C. The iron mass content of the metal phase was varied between 0 and almost 100 %. The results show a strong influence of the miscibility gap in the system Fe‐Al‐Ca arising from the Fe‐Ca binary system on the phase equilibria. By these investigations the conditions of solid alumina reduction by dissolved calcium to liquid calcium aluminate were determined.
In reinen Kalk‐ (CaO) und Kalkaluminat‐ (CaO‐2Al2O3) Tiegeln sind bei 1600°C die Gleichgewichte der an diesen festen Phasen gesättigten CaO‐Al2O3‐FeOn‐Schlacken mit Ca‐Al‐und O‐haltigen Eisenschmelzen untersucht worden, deren Eisenmassengehalte von 0 bis fast 100% variiert wurden. Die Ergebnisse zeigen den starken Einfluß der im System Fe‐Al‐Ca vom Randsystem Fe‐Ca ausgehenden Mischungslücke auf und stecken den Bereich der Ca‐ und Al‐Gehalte ab, in dem das Ca in der Lage ist, die Tonerde der Al‐Desoxidation durch Reduktion in flüssige Kalkaluminate umzuwandeln.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Metallurgical fundamentals</subject><subject>Metals. Metallurgy</subject><subject>Production of metals</subject><issn>0177-4832</issn><issn>1869-344X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNpFkL9OwzAQhy0EElXpyuyBNcVOHNsZq4hCpYpI_JHYoktzDkauW-JA1Y1H4Bl5EhKKYLnf6e67Gz5Czjmbcsbiy9BaP-VZplmaSnFERlzLLEqEeDomI8aVioRO4lMyCeGFsWEgeapGpFn4dwydbaCzGx_oxtPuGSm-vllnq9YCrbDbIXo6c18fnzn0paCrje_Aeusbatv-ZI2uCxR8TXMoemLm4iLpc46Fp8FBE87IiQEXcPKbY_I4v3rIb6Jlcb3IZ8toyyUTUaZVXZvacKV1JQSqOEYjhFDAWA2KSQCjwGCVGUy1qKUUFXKsWC1Bp1AlY3Jx-LuFsAJnWvArG8pta9fQ7kue6jhhusfSA7azDvf_a1YONsvBZvlns7y_W9z-dMk3Hxtvig</recordid><startdate>199809</startdate><enddate>199809</enddate><creator>Schürmann, Eberhard</creator><creator>Braun, Uwe</creator><creator>Pluschkell, Wolfgang</creator><general>Stahleisen</general><scope>IQODW</scope></search><sort><creationdate>199809</creationdate><title>Investigations on the equilibria between Al‐Ca‐O containing iron melts and CaO‐Al2O3‐FeOn slags</title><author>Schürmann, Eberhard ; Braun, Uwe ; Pluschkell, Wolfgang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p1604-987ddfdf1788b44e722ef4447a00da706aaf7afeb9fe584d664be1eb0d6a85ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Metallurgical fundamentals</topic><topic>Metals. Metallurgy</topic><topic>Production of metals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schürmann, Eberhard</creatorcontrib><creatorcontrib>Braun, Uwe</creatorcontrib><creatorcontrib>Pluschkell, Wolfgang</creatorcontrib><collection>Pascal-Francis</collection><jtitle>Steel Research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schürmann, Eberhard</au><au>Braun, Uwe</au><au>Pluschkell, Wolfgang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigations on the equilibria between Al‐Ca‐O containing iron melts and CaO‐Al2O3‐FeOn slags</atitle><jtitle>Steel Research</jtitle><date>1998-09</date><risdate>1998</risdate><volume>69</volume><issue>9</issue><spage>355</spage><epage>358</epage><pages>355-358</pages><issn>0177-4832</issn><eissn>1869-344X</eissn><coden>STLRCX</coden><abstract>The equilibria between liquid CaO‐Al2O3‐FeOn slags and Al‐Ca‐O‐containing iron melts in contact with pure lime (CaO) and pure calcium aluminate (CaO‐2Al2O3) crucibles were investigated at 1600°C. The iron mass content of the metal phase was varied between 0 and almost 100 %. The results show a strong influence of the miscibility gap in the system Fe‐Al‐Ca arising from the Fe‐Ca binary system on the phase equilibria. By these investigations the conditions of solid alumina reduction by dissolved calcium to liquid calcium aluminate were determined.
In reinen Kalk‐ (CaO) und Kalkaluminat‐ (CaO‐2Al2O3) Tiegeln sind bei 1600°C die Gleichgewichte der an diesen festen Phasen gesättigten CaO‐Al2O3‐FeOn‐Schlacken mit Ca‐Al‐und O‐haltigen Eisenschmelzen untersucht worden, deren Eisenmassengehalte von 0 bis fast 100% variiert wurden. Die Ergebnisse zeigen den starken Einfluß der im System Fe‐Al‐Ca vom Randsystem Fe‐Ca ausgehenden Mischungslücke auf und stecken den Bereich der Ca‐ und Al‐Gehalte ab, in dem das Ca in der Lage ist, die Tonerde der Al‐Desoxidation durch Reduktion in flüssige Kalkaluminate umzuwandeln.</abstract><cop>Düsseldorf</cop><pub>Stahleisen</pub><doi>10.1002/srin.199805564</doi><tpages>4</tpages></addata></record> |
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| ispartof | Steel Research, 1998-09, Vol.69 (9), p.355-358 |
| issn | 0177-4832 1869-344X |
| language | eng |
| recordid | cdi_pascalfrancis_primary_1582308 |
| source | Wiley Online Library - AutoHoldings Journals |
| subjects | Applied sciences Exact sciences and technology Metallurgical fundamentals Metals. Metallurgy Production of metals |
| title | Investigations on the equilibria between Al‐Ca‐O containing iron melts and CaO‐Al2O3‐FeOn slags |
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