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Reaching full density of 100CR6 PM steel by capsule free hot isostatic pressing of high-velocity compacted material
RISE, Swerea, KIMAB.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
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2016 (English)In: World PM 2016 Congress and Exhibition, European Powder Metallurgy Association (EPMA) , 2016Conference paper, Published paper (Refereed)
Abstract [en]

Spherical gas atomised 100Cr6 steel powder, processed with the MMS-Scanpac® process to 95% density (agglomeration, followed by conventional pressing, low temperature sintering and re-strike using high velocity adiabatic compaction) has been fully compacted using capsule-free hot isostatic pressing. The material is characterised at different steps of the process and the results are discussed in this paper. Sintering steel powder with high content of carbon requires carbon control at sintering. By continuously measuring the atmosphere at sintering the ingoing gases are adjusted so that carbon control is achieved. Computational work has been made in order to determine how the sintering atmosphere should be adjusted based on the oxygen release and moisture content in the furnace at sintering. KEYWORDS: Capsule free HIP, high velocity compaction, 100Cr6, carbon control.

Place, publisher, year, edition, pages
European Powder Metallurgy Association (EPMA) , 2016.
Keywords [en]
Compaction, Hot isostatic pressing, Powder metallurgy, Powders, Steel powder metallurgy, Temperature, Compacted materials, Computational work, High velocity, High velocity compaction, High-content, Low-temperature sintering, Oxygen release, Sintering atmospheres, Sintering
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42174Scopus ID: 2-s2.0-85035336718ISBN: 9781899072484 (print)OAI: oai:DiVA.org:ri-42174DiVA, id: diva2:1384270
Conference
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016, 9 October 2016 through 13 October 2016
Note

Funding details: VINNOVA; Funding text 1: The authors would like to thank VINNOVA (Swedish agency for Innovation systems) for the funding within the Strategic Innovation Programme Metallic Materials.

Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved

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Frisk, Karin

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