Abstract
Vanadis 10 steel is a powder metallurgy (PM) processed tool steel. It is a ledeburitic steel with 8% Cr and 10% V. By deliberately varying the process parameters related to the quenching, tempering, and nitriding of these steels, the aim of this study is to determine which of these parameters have a significant influence on its adhesive wear resistance. The research methodology employed was a Design of Experiments (DoE) with six factors and two levels for each factor. The tempering temperature, number of temperings, and carrying out of a thermochemical nitriding treatment were found to have a significant effect. To increase adhesive wear resistance, austenitization at 1100 °C with air cooling is recommended, followed by three temperings at 500 °C and a subsequent nitriding treatment. It should be noted that the quench cooling medium does not have a significant influence on wear resistance. Furthermore, (Fe,Cr)7C3 (M7C3 carbides) are transformed into carbonitrides during nitriding. However, (Fe,V)C (MC carbides) are not affected by this nitriding process.
Highlights
IntroductionThis steel is provided in the annealed condition and in order to provide the needed service properties it requires further treatments to be applied consisting of austenite destabilizing, followed by quenching and further tempering
Vanadis 10 steel is a powder metallurgy (PM) processed tool steel marketed by the UDDEHOLMCompany (Hagfors, Sweden)
By deliberately varying the process parameters related to the quenching, tempering, and nitriding of these steels, the aim of this study is to determine which of these parameters have a significant influence on its adhesive wear resistance
Summary
This steel is provided in the annealed condition and in order to provide the needed service properties it requires further treatments to be applied consisting of austenite destabilizing, followed by quenching and further tempering. Being a tool steel for cold working an optional surface treatment to increase the tool life is commonly applied by nitriding [1]. It is a ledeburitic steel alloyed mainly with Cr and V. These steels are used to manufacture tooling used to shape materials and are commonly used as dies in processes of drawing, extrusion, and forming, both in the forming of low carbon steels and in the forming of
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