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Peep cryogenic treatment of tool steels
Inst Met & Technol, Ljubljana, Slovenia..
Inst Met & Technol, Ljubljana, Slovenia..
Hidria Rotomatika Doo, Spodnja Idrija, Slovenia..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
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2016 (English)In: Journal of Materials Processing Technology, ISSN 0924-0136, E-ISSN 1873-4774, Vol. 229, 398-406 p.Article in journal (Refereed) PublishedText
Abstract [en]

The aim of our research work was to investigate the effect of deep cryogenic treatment on fracture toughness, wear resistance and load-carrying capacity of cold work tool steel and to determine the effectiveness of deep cryogenic treatment depending on the tool steel type and chemical composition. The type and chemical composition of the tool steel considerably affect the way how deep cryogenic treatment changes mechanical, tribological and load-carrying capacity of the tool steel. For lower carbon and higher W and Co containing cold work tool steel properties can be improved for up to 70%, but are very limited in the case of high-speed steel. At high carbon and vanadium contents properties of cold work tool steels can even be deteriorated after deep cryogenic treatment. In terms of abrasive wear resistance and load-carrying capacity increasing the hardness is the most decisive factor.

Place, publisher, year, edition, pages
2016. Vol. 229, 398-406 p.
Keyword [en]
Tool steel, Deep cryogenic treatment, Vacuum heat treatment, Fracture toughness, Load-carrying capacity, Wear resistance
National Category
Metallurgy and Metallic Materials
URN: urn:nbn:se:uu:diva-274411DOI: 10.1016/j.jmatprotec.2015.09.045ISI: 000367106000040OAI: oai:DiVA.org:uu-274411DiVA: diva2:897563
Available from: 2016-01-26 Created: 2016-01-21 Last updated: 2016-01-26Bibliographically approved

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