Institute fur Integrierte Produktion Hanover Gemeinnutzige GmbH IPH

Hannover, Germany

Institute fur Integrierte Produktion Hanover Gemeinnutzige GmbH IPH

Hannover, Germany

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Blohm T.,Institute fur Integrierte Produktion Hanover Gemeinnutzige GmbH IPH | Mildebrath M.,Leibniz University of Hanover | Stonis M.,Institute fur Integrierte Produktion Hanover Gemeinnutzige GmbH IPH | Langner J.,Institute fur Integrierte Produktion Hanover Gemeinnutzige GmbH IPH | And 2 more authors.
Production Engineering | Year: 2017

Most of today’s technical parts and components are made of monolithic materials. These mono-material components produced in established production processes reach their limits due to their respective material characteristics. Thus, a significant increase in production quality and efficiency can only be achieved by combining different materials in one part. Bulk forming of previously joined semi-finished products to net shape hybrid components that consist of two different materials is a promising method to produce parts with locally optimized characteristics. This new production process chain offers a number of advantages compared to conventional manufacturing technologies. Examples are the production of specific load-adapted forged parts with a high level of material utilization, an improvement of the joining zone caused by the following forming process and an easy to implement joining process due to the simple geometries of the semi-finished products. This paper describes the production process of hybrid steel parts, produced by combining a plasma-transferred arc deposition welding process with a subsequent cross wedge rolling process. This innovative process chain enables the production of hybrid parts. To evaluate the developed process chain, coating thickness of the billet is analysed before and after cross wedge rolling. It could be shown, that the forming process leads to an improvement of the coating, meaning a more homogeneous distribution along the main axis. © 2017 German Academic Society for Production Engineering (WGP)

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