Winfried Grafen

Title: Winfried Grafen: Innovator in Plasma Carburization Technology

Introduction

Winfried Grafen is a notable inventor based in Duisburg, Germany. He has made significant contributions to the field of plasma carburization, holding 2 patents that showcase his innovative methods for enhancing metal workpieces.

Latest Patents

One of his latest patents is a method for plasma carburization of metal workpieces. This method involves introducing a mixture of propane and methane into the furnace atmosphere. The propane and methane mixture is cleaved under the process conditions of plasma carburization to release pure carbon into the furnace atmosphere. Another significant patent is a method and device for controlling the electric current density across a workpiece in a furnace during heat treatment in plasma. In this method, an auxiliary electrode with a known surface area is introduced into the furnace. A batch of workpieces is then introduced, and a plasma of a neutral gas is generated within the furnace. The total current within the furnace and the current within the auxiliary electrode are measured, allowing for precise control of the electric current density.

Career Highlights

Winfried Grafen has worked with reputable companies such as Ipsen Industries International GmbH and Ipsen International GmbH. His experience in these organizations has contributed to his expertise in plasma technology and heat treatment processes.

Collaborations

Throughout his career, Grafen has collaborated with notable colleagues, including Bernd Edenhofer and Hansjakob Drissen. These collaborations have further enriched his work and innovations in the field.

Conclusion

Winfried Grafen's contributions to plasma carburization technology reflect his dedication to innovation and excellence. His patents and career achievements highlight his role as a significant figure in the advancement of metal treatment processes.