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Modelling and prediction of fatigue properties of tool steels based on defects, geometry and surface condition
RISE, Swerea, Swerea KIMAB.
2010 (English)In: Proceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010, European Powder Metallurgy Association (EPMA) , 2010, Vol. 3Conference paper, Published paper (Refereed)
Abstract [en]

During a period of the last ten years a new model has been developed at SwereaKIMAB that is able to predict the fatigue properties of tool steels based on measured carbide and inclusion distributions. The model has been programmed into software named FATSIMR. Lately, effects such as notch effect and surface roughness have been added to the model enabling it to predict the fatigue properties of actual tool designs. In the presence of a notch the software takes into account the decrease in stressed volume and thereby the decreased probability of a defect present in the most stressed part. As an upper bound the software estimates the intrinsic fatigue strength of the steel matrix. In this presentation the model is presented and examples are given on how the software can be applied on various high stressed tooling components.

Place, publisher, year, edition, pages
European Powder Metallurgy Association (EPMA) , 2010. Vol. 3
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12969ISBN: 9781899072194 (print)OAI: oai:DiVA.org:ri-12969DiVA: diva2:973162
Conference
World Powder Metallurgy Congress and Exhibition, World PM 2010, Florence, 10 October 2010 through 14 October 2010, 105571
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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