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Chromium martensitic hot-work tool steels - damage, performance and microstructure
2004 (English)Doctoral thesis, monograph (Other academic)
Abstract [en]

Chromium martensitic hot-work tool steel (AISI H13) was developed to endure the severe conditions of high temperature metal forming operations such as die casting, hot rolling, extrusion and hot forging. The mechanical properties are high and strongly connected to the microstructure and have been improved over the years by alloying and heat treatment. Damages still occur and one of the most common failure mechanisms is thermal fatigue.



In this thesis the thermal fatigue damage on hot forming tools has been studied. Several types of hot work tools steels have been experimentally tested and the microstructural changes during thermal fatigue have been evaluated. The tool material behaviour has also been simulated to support the integration of die design, tool steel properties and use.



The general aim of this thesis is to increase the knowledge of the chromium martensitic hot-work tool steel damage, performance and microstructure.

Place, publisher, year, edition, pages
Karlstad: Karlstad University Studies , 2004.
Identifiers
URN: urn:nbn:se:kau:diva-17684ISBN: 91-85335-21-5 (print)OAI: oai:DiVA.org:kau-17684DiVA: diva2:591296
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21

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