About: Decarburization and Hardness Changes in Carbon Steels Caused by High-Temperature Surface Oxidation in Ambient Air.

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About: Decarburization and Hardness Changes in Carbon Steels Caused by High-Temperature Surface Oxidation in Ambient Air. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper the results of investigation of decarburization and hardness changes caused by oxidation in ambient air in the Fe-C-Cr-Mn-Si steels are presented. The oxidation anneals were carried out at temperatures 900 C up to 1200 C. The measured values of carbon concentration N(x,t) and of hardness HV(x,t) enabled us to calculate carbon diffusion coefficients D(C) and D(HV). The obtained values D(HV) agree with the values D(C) within experimental accuracy in the case where the hardness HV(x,t) is directly proportional to the carbon concentration N(x,t). Both diffusivities D(C) and D(HV) depend on temperature and on chemical composition of the steels. This last dependence can be described by the use of diffusion interaction coefficients .beta. and concentration values Ni of the individual alloying elements 'i' [11]. In this paper the results of investigation of decarburization and hardness changes caused by oxidation in ambient air in the Fe-C-Cr-Mn-Si steels are presented. The oxidation anneals were carried out at temperatures 900 C up to 1200 C. The measured values of carbon concentration N(x,t) and of hardness HV(x,t) enabled us to calculate carbon diffusion coefficients D(C) and D(HV). The obtained values D(HV) agree with the values D(C) within experimental accuracy in the case where the hardness HV(x,t) is directly proportional to the carbon concentration N(x,t). Both diffusivities D(C) and D(HV) depend on temperature and on chemical composition of the steels. This last dependence can be described by the use of diffusion interaction coefficients .beta. and concentration values Ni of the individual alloying elements 'i' [11]. (en)
Title	Decarburization and Hardness Changes in Carbon Steels Caused by High-Temperature Surface Oxidation in Ambient Air. Decarburization and Hardness Changes in Carbon Steels Caused by High-Temperature Surface Oxidation in Ambient Air. (en)
skos:prefLabel	Decarburization and Hardness Changes in Carbon Steels Caused by High-Temperature Surface Oxidation in Ambient Air. Decarburization and Hardness Changes in Carbon Steels Caused by High-Temperature Surface Oxidation in Ambient Air. (en)
skos:notation	RIV/68081723:_____/01:07013320!RIV/2003/AV0/A07003/N
http://linked.open.../vavai/riv/strany	1701;1706
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/98/1367), Z(AV0Z2041904)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Kučera, Jaroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	676964
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/01:07013320
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ambient air; oxidation; Fe-C-Cr-Mn-Si steels (en)
http://linked.open.../riv/klicoveSlovo	oxidation ambient air Fe-C-Cr-Mn-Si steels
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[79A174D1F7B3]
http://linked.open...i/riv/nazevZdroje	Defect and Diffusion Forum
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Phosphorus and carbon thermodynamics and diffusion in steels
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	194/199
http://linked.open...iv/tvurceVysledku	Brož, P. Kučera, Jaroslav Adamaszek, K.
http://linked.open...n/vavai/riv/zamer	Behavior and properties of metallic and non-metallic materials in relation to their structure, research on processes leading to degradation of material quality
issn	0377-6883
number of pages	6 (xsd:int)

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