On the effect of pre-oxidation on the kinetics of gaseous nitriding of iron

Peter B. Friehling; Marcel A.J. Somers

On the effect of pre-oxidation on the kinetics of gaseous nitriding of iron

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Abstract

Preheating in an oxidising atmosphere is frequently used prior to gaseous nitriding. The effects of this preoxidation have been investigated and it is found that a preoxidation decrease the incubation time for the nucleation of iron nitrides. This results in a more homogeneous nucleation of iron nitrides, which leads to a more uniform thickness of the compound layer. A second effect is a thicker compound layer, which may stem from a higher surface concentration.

Original language	English
Title of host publication	Progress in heat treatment and surface engineering
Editors	E.J. Mittemeijer, J. Grosch
Publisher	ASM International
Publication date	2000
Publication status	Published - 2000
Event	5th ASM Heat Treatment and Surface Engineering Conference in Europe - Göteborg, Sweden Duration: 7 Jun 2000 → 9 Jun 2000 Conference number: 5

Conference

Conference	5th ASM Heat Treatment and Surface Engineering Conference in Europe
Number	5
Country/Territory	Sweden
City	Göteborg
Period	07/06/2000 → 09/06/2000

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title = "On the effect of pre-oxidation on the kinetics of gaseous nitriding of iron",

abstract = "Preheating in an oxidising atmosphere is frequently used prior to gaseous nitriding. The effects of this preoxidation have been investigated and it is found that a preoxidation decrease the incubation time for the nucleation of iron nitrides. This results in a more homogeneous nucleation of iron nitrides, which leads to a more uniform thickness of the compound layer. A second effect is a thicker compound layer, which may stem from a higher surface concentration.",

keywords = "Materials technology",

author = "Friehling, {Peter B.} and Somers, {Marcel A.J.}",

year = "2000",

language = "English",

editor = "{E.J. Mittemeijer, J. Grosch}",

booktitle = "Progress in heat treatment and surface engineering",

publisher = "ASM International",

address = "United States",

note = "5th ASM Heat Treatment and Surface Engineering Conference in Europe ; Conference date: 07-06-2000 Through 09-06-2000",

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TY - GEN

T1 - On the effect of pre-oxidation on the kinetics of gaseous nitriding of iron

AU - Friehling, Peter B.

AU - Somers, Marcel A.J.

N1 - Conference code: 5

PY - 2000

Y1 - 2000

N2 - Preheating in an oxidising atmosphere is frequently used prior to gaseous nitriding. The effects of this preoxidation have been investigated and it is found that a preoxidation decrease the incubation time for the nucleation of iron nitrides. This results in a more homogeneous nucleation of iron nitrides, which leads to a more uniform thickness of the compound layer. A second effect is a thicker compound layer, which may stem from a higher surface concentration.

AB - Preheating in an oxidising atmosphere is frequently used prior to gaseous nitriding. The effects of this preoxidation have been investigated and it is found that a preoxidation decrease the incubation time for the nucleation of iron nitrides. This results in a more homogeneous nucleation of iron nitrides, which leads to a more uniform thickness of the compound layer. A second effect is a thicker compound layer, which may stem from a higher surface concentration.

KW - Materials technology

M3 - Article in proceedings

BT - Progress in heat treatment and surface engineering

A2 - null, E.J. Mittemeijer, J. Grosch

PB - ASM International

T2 - 5th ASM Heat Treatment and Surface Engineering Conference in Europe

Y2 - 7 June 2000 through 9 June 2000

ER -

On the effect of pre-oxidation on the kinetics of gaseous nitriding of iron

Abstract

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