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Korrelation des Herstellungsprozesses und der Wärmebehandlung mit dem abrasiven Verschleißwiderstand eines Kunststoffformenstahls
Author(s) -
Hill H.,
Kunze M.,
Heet C.,
Petsch A.,
Weber S.,
Reiter R.,
Giese P.,
Theisen W.,
Wielage B.,
Wesling V.
Publication year - 2012
Publication title -
materialwissenschaft und werkstofftechnik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.285
H-Index - 38
eISSN - 1521-4052
pISSN - 0933-5137
DOI - 10.1002/mawe.201200865
Subject(s) - materials science , metallurgy , abrasive , corrosion , microstructure , mold , thermal spraying , welding , hot isostatic pressing , composite material , coating
The processing of polymers necessitates the use of corrosion and wear resistant tool materials being in direct contact with the feedstock material. Corrosion resistant cold work tool steels, the so called plastic mold steels, are successfully applied here, offering both a good wear and corrosion resistance. The lifetime of this tool depends on the applied heat treatment but also the processing route has a distinct effect on the resulting properties. In this work, different powder metallurgical routes like hot isostatic pressing, build‐up welding (plasma transfer arc (PTA)) and thermal spraying (high velocity oxy fuel (HVOF) and atmospheric plasma spraying (APS)) were applied to produce coatings on low‐alloyed construction steel. Coatings are compared in relation to the changes in microstructure and the feasibility of an adequate heat treatment. This paper discusses strategies to maximize wear resistance in dependence of heat treatment and the microstructural changes arising from the processing.