Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/408
Type: Artigo de periódico
Title: Wear mechanisms and microstructure of pulsed plasma nitrided AISI H13 tool steel
Author: LEITE, M. V.
FIGUEROA, C. A.
GALLO, S. Corujeira
ROVANI, A. C.
BASSO, R. L. O.
MEI, P. R.
BAUMVOL, I. J. R.
SINATORA, A.
Abstract: AISI H13 tool steel discs were pulsed plasma minded during different times at a constant temperature of 400 degrees C Wear tests were performed in order to study the acting wear mechanisms The samples were characterized by X-ray diffraction, scanning electron microscopy and hardness measurements The results showed that longer nitriding times reduce the wear volumes. The friction coefficient was 0.20 +/- 0 05 for all tested conditions and depends strongly on the presence of debris After wear tests, the wear tracks were characterized by optical and scanning electron microscopy and the wear mechanisms were observed to change from low cycle fatigue or plastic shakedown to long cycle fatigue These mechanisms were correlated to the microstructure and hardness of the nitrided layer (C) 2010 Elsevier B V All rights reserved
Subject: Sliding wear
Diffusion treatments
Sliding friction
Country: Suiça
Editor: ELSEVIER SCIENCE SA
Rights: fechado
Identifier DOI: 10.1016/j.wear.2010.04.037
Address: http://dx.doi.org/10.1016/j.wear.2010.04.037
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Date Issue: 2010
Appears in Collections:FEM - Artigos e Outros Documentos

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