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Innovative powder based manufacturing of high performance gears
KTH, School of Industrial Engineering and Management (ITM), Production Engineering. KTH, Centres, XPRES, Excellence in production research.ORCID iD: 0000-0003-1021-0100
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2016 (English)In: World PM 2016 Congress and Exhibition, European Powder Metallurgy Association (EPMA) , 2016Conference paper (Refereed)
Abstract [en]

There are strong driving forces towards high-performance gear wheels which can handle higher engine outputs, or allow more compact designs of transmissions. Today the performance and life of conventionally manufactured gear wheels are limited by factors such as inhomogeneous microstructure and distribution of inclusions. Powder metallurgy (PM) can solve some of these problems but has so far had limitations caused by porosity. In this paper a cost effective way to eliminate porosity by HIP-ing without canister has been evaluated with encouraging results. Parameters such as powder particle size, lubricant and double pressing have been evaluated in the PM route in order to get a gas tight surface enabling effective post HIP-ing. So far double pressing has given promising results. Challenges such as open porosity, surface porosity and inclusions are addressed in the paper.

Place, publisher, year, edition, pages
European Powder Metallurgy Association (EPMA) , 2016.
National Category
Manufacturing, Surface and Joining Technology
Identifiers
URN: urn:nbn:se:kth:diva-219676Scopus ID: 2-s2.0-85035359470ISBN: 9781899072484 OAI: oai:DiVA.org:kth-219676DiVA: diva2:1164865
Conference
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016, Hamburg, Germany, 9 October 2016 through 13 October 2016
Funder
VINNOVA, 2013-05594
Note

QC 20171212

Available from: 2017-12-12 Created: 2017-12-12 Last updated: 2017-12-12Bibliographically approved

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Khodaee, AlirezaMelander, Arne

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Production EngineeringXPRES, Excellence in production research
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  • apa
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  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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