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Surface damaging of brass and steel pins when sliding over nitrided samples cut by finishing and roughing EDM conditions

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Martynenko, Vitali
Martinez Krahmer, Daniel
Nápoles Alberro, AmeliaMés informacióMés informacióMés informació
Cabo, Amado
Pérez, Daniela
Zayas Figueras, Enrique ErnestoMés informacióMés informacióMés informació
González Rojas, Hernan AlbertoMés informacióMés informacióMés informació
Sánchez Egea, Antonio JoséMés informacióMés informacióMés informació
Document typeArticle
Defense date2020-07-17
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
Rights accessOpen Access
Attribution 4.0 International
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution 4.0 International
Abstract
In the forging industry, surface quality and surface treatments of dies are crucial parameters to extend their life. These components are usually machined by milling or by Electrical Discharge Machining (EDM), and the final surface roughness depends on the machining techniques and operational conditions used in its fabrication. After milling, a nitriding treatment is widely applied to extend its service life. Nevertheless, no scientific report that informs about nitriding after EDM has been found. Accordingly, this work focuses on the wear and friction behavior of pins made of brass and medium carbon steel sliding over AISI H13 discs, made by wire EDM in the conditions of finishing and roughing. The discs are plasma nitride, and their effect on the wear during pin-ondisc tests is evaluated. In this sense, the analysis of the surface damage for the different pins will help us to understand the service life and wear evolution of the forging dies. The results show that plasma nitride reduces the friction and prevents the degradation of the pin, independently of the material of the pin, when sliding over finishing and roughing EDM conditions.
CitationMartynenko, V. [et al.]. Surface damaging of brass and steel pins when sliding over nitrided samples cut by finishing and roughing EDM conditions. "Materials", 17 Juliol 2020, vol. 13, núm. 14, p. 3199:1-3199:10. 
URIhttp://hdl.handle.net/2117/327122
DOI10.3390/ma13143199
ISSN1996-1944
Publisher versionhttps://www.mdpi.com/1996-1944/13/14/3199
Other identifiershttps://www.researchgate.net/publication/343018367_Surface_Damaging_of_Brass_and_Steel_Pins_when_Sliding_over_Nitrided_Samples_Cut_by_Finishing_and_Roughing_EDM_Conditions
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