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Coarsening investig...
Coarsening investigations of precipitates in PM tool steel grades - an effect of nitrogen
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- Lindwall, Greta, 1981- (author)
- KTH,Materialvetenskap
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- Frisk, Karin (author)
- Swerea KIMAB
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- Andersson, Jörgen (author)
- Uddeholms AB
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- Medvedeva, Anna (author)
- Uddeholms AB
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- Sandberg, Odd (author)
- Uddeholms AB
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- Siller, Ingo (author)
- Böhler Edelstahl GmbH & Co KG
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(creator_code:org_t)
- 2012-10-25
- 2012
- English.
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In: Berg- und Huttenmännische Monatshefte (BHM). - : Springer Science and Business Media LLC. - 0005-8912 .- 1613-7531. ; 157:11, s. 406-413
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We present experimental and theoretical comparisons of the coarsening rate for the MX(X=C, N or C+N) precipitate in five different tool steel grades produced by PowderMetallurgy (PM). The alloys contain different amounts of nitrogen and carbon; ranging fromhigh carbon/low nitrogen to high nitrogen/low carbon. Common for the grades is a highamount of precipitate forming alloying elements resulting in a high fraction of hard phase.Experimentally we have found out that the nitrogen rich precipitates coarsen slower, both forhigher and lower carbon content, than the carbon rich precipitates. Coarsening simulations areperformed utilizing the DICTRA software and an agreement between calculations andmeasurements can be concluded.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- coarsening
- PM tool steels
- carbides
- nitrides
- DICTRA
Publication and Content Type
- ref (subject category)
- art (subject category)
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