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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Analysis of Forging Dies Coated with Tungsten Carbide through HVOF Processing
Author(s)
Vanessa Moura de Souza, Angela Selau Marques, Jorge Antônio Huff, Alexandre da Silva Rocha, and Luciano Kempski
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DOI:10.17265/2159-5275/2016.07.008
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ABSTRACT
In this paper we present a performance evaluation of thermal spraying coated hot forging dies conducted in a production line. The High Velocity Oxy-Fuel process was used for the deposition of a tungsten carbide coating, which is characterized by its optimal adherence and low porosity. A metallurgical characterization of the layer was previously done, in order to obtain reference information to assist in the interpretation of the practical tests results. The coated die allowed an increase in productivity of 37.5%, besides better dimensional stability results through the process and legibility of printed numbers.
KEYWORDS
Hot forging, coating, die, surface.
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