Extension of a Contact Subroutine for Composite Ring Rolling to Include Temperature Dependency

Author:

Kluge Laurenz1ORCID,Stergianou Stefan2,Gouverneur Moritz1,Bailly David1ORCID

Affiliation:

1. Institute of Metal Forming, RWTH Aachen University, 52072 Aachen, Germany

2. SMS Group GmbH, Stockumer Strasse 28, 58453 Witten, Germany

Abstract

By combining the ring rolling and roll bonding processes, the product spectrum can be additionally expanded. Since a successful composite ring rolling process requires a higher growth tendency for the inner ring, previous publications commonly included a softer inner ring to reduce the flow resistance of the inner ring or specific geometries for rings and tools. In this work, the material combination of a 100Cr6 (DIN 1.3505, AISI 52100) outer ring and a 42CrMo4 (DIN 1.7225, AISI 4140) inner ring is used to show that the composite ring rolling process is also possible for material combinations with a balanced flow stress ratio and equal wall thicknesses. In earlier publications, the influence of temperature was neglected. As the influence on the yield stress and thus on the success of the process has a significant influence, this should be considered in order to be able to make a reliable statement. For this purpose, the bond formation of the two materials was investigated by bonding experiments, and an existing bond formation model was extended with respect to the temperature dependency. On the basis of this model, the process control parameters were investigated using FE simulations, and a ring rolling experiment was carried out.

Funder

Deutsche Forschungsgemeinschaft

Publisher

MDPI AG

Reference20 articles.

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2. Behrens, B.-A. (2014). Aktuelle Entwicklungen zur Auslegung und Optimierung von Ringwalzprozessen. Industrie und Wissenschaft-Gemeinsam die Zukunft Gestalten: 21. Umformtechnisches Kolloquium Hannover, 26. und 27. Februar 2014, Produktionstechn Zentrum IFUM.

3. Surface integrity and corrosion resistance of 18CrNiMo7-6 gear steel subjected to combined carburized treatment and wet shot peening;Wang;Surf. Coatings Technol.,2024

4. Daehn, G., Cao, J., Kinsey, B., Tekkaya, E., Vivek, A., and Yoshida, Y. (2021). Achieving an Interference Fit Between Two Rings During Composite Ring Rolling. Forming the Future, Springer International Publishing.

5. Investigation of Bond Formation in Composite Ring Rolling;Guenther;J. Mater. Process. Technol.,2020

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