The Surface Tension of Liquid Iron Containing Nitrogen and Oxygen

The Surface Tension of Liquid Iron Containing Nitrogen and Oxygen

The surface tension liquid of Fe–N, Fe–O and Fe–N–O alloys was measured with sessile drop method at 1 823 K. The effect of nitrogen, oxygen and coexistent nitrogen and oxygen on the surface tension of liquid iron was investigated. The results show that both nitrogen and oxygen are surface-active ele...

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Veröffentlicht in:ISIJ International 1998/10/15, Vol.38(10), pp.1039-1044
Hauptverfasser: Zhu, Jun, Mukai, Kusuhiro
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
liquid iron
Metallurgical fundamentals
Metals. Metallurgy
nitrogen
oxygen
Production of metals
sessile drop
surface tension
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container_issue 10
container_start_page 1039
container_title ISIJ International
container_volume 38
creator Zhu, Jun
Mukai, Kusuhiro
description The surface tension liquid of Fe–N, Fe–O and Fe–N–O alloys was measured with sessile drop method at 1 823 K. The effect of nitrogen, oxygen and coexistent nitrogen and oxygen on the surface tension of liquid iron was investigated. The results show that both nitrogen and oxygen are surface-active elements in the liquid iron. The surface tension of liquid iron decreased with increasing nitrogen and oxygen contents. The surface-active nature of nitrogen decreases with increasing of oxygen content. The variation of surface tension with the activity of the surface-active elements was obtained as follows: Fe–N alloy: σ=1930–267 ln(1+45aN), [O]=20–30 mass ppm Fe–N alloy: σ=1990–318ln(1+130ao), PN2=3.1×10–5atm Fe–O–N alloy: σ=1990–318ln(1+130ao)–(282–7636ao–83152ao2) ln(1+45aN)
doi_str_mv 10.2355/isijinternational.38.1039
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The effect of nitrogen, oxygen and coexistent nitrogen and oxygen on the surface tension of liquid iron was investigated. The results show that both nitrogen and oxygen are surface-active elements in the liquid iron. The surface tension of liquid iron decreased with increasing nitrogen and oxygen contents. The surface-active nature of nitrogen decreases with increasing of oxygen content. The variation of surface tension with the activity of the surface-active elements was obtained as follows: Fe–N alloy: σ=1930–267 ln(1+45aN), [O]=20–30 mass ppm Fe–N alloy: σ=1990–318ln(1+130ao), PN2=3.1×10–5atm Fe–O–N alloy: σ=1990–318ln(1+130ao)–(282–7636ao–83152ao2) ln(1+45aN)</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.38.1039</identifier><language>eng</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>Applied sciences ; Exact sciences and technology ; liquid iron ; Metallurgical fundamentals ; Metals. 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The effect of nitrogen, oxygen and coexistent nitrogen and oxygen on the surface tension of liquid iron was investigated. The results show that both nitrogen and oxygen are surface-active elements in the liquid iron. The surface tension of liquid iron decreased with increasing nitrogen and oxygen contents. The surface-active nature of nitrogen decreases with increasing of oxygen content. The variation of surface tension with the activity of the surface-active elements was obtained as follows: Fe–N alloy: σ=1930–267 ln(1+45aN), [O]=20–30 mass ppm Fe–N alloy: σ=1990–318ln(1+130ao), PN2=3.1×10–5atm Fe–O–N alloy: σ=1990–318ln(1+130ao)–(282–7636ao–83152ao2) ln(1+45aN)</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>liquid iron</subject><subject>Metallurgical fundamentals</subject><subject>Metals. 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Metallurgy</topic><topic>nitrogen</topic><topic>oxygen</topic><topic>Production of metals</topic><topic>sessile drop</topic><topic>surface tension</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Jun</creatorcontrib><creatorcontrib>Mukai, Kusuhiro</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>Zhu, Jun</au><au>Mukai, Kusuhiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Surface Tension of Liquid Iron Containing Nitrogen and Oxygen</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>1998-01-01</date><risdate>1998</risdate><volume>38</volume><issue>10</issue><spage>1039</spage><epage>1044</epage><pages>1039-1044</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>The surface tension liquid of Fe–N, Fe–O and Fe–N–O alloys was measured with sessile drop method at 1 823 K. The effect of nitrogen, oxygen and coexistent nitrogen and oxygen on the surface tension of liquid iron was investigated. The results show that both nitrogen and oxygen are surface-active elements in the liquid iron. The surface tension of liquid iron decreased with increasing nitrogen and oxygen contents. The surface-active nature of nitrogen decreases with increasing of oxygen content. The variation of surface tension with the activity of the surface-active elements was obtained as follows: Fe–N alloy: σ=1930–267 ln(1+45aN), [O]=20–30 mass ppm Fe–N alloy: σ=1990–318ln(1+130ao), PN2=3.1×10–5atm Fe–O–N alloy: σ=1990–318ln(1+130ao)–(282–7636ao–83152ao2) ln(1+45aN)</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.38.1039</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Applied sciences
Exact sciences and technology
liquid iron
Metallurgical fundamentals
Metals. Metallurgy
nitrogen
oxygen
Production of metals
sessile drop
surface tension
title The Surface Tension of Liquid Iron Containing Nitrogen and Oxygen
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