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Fabrication and tribological performance of a laser-textured hardmetal guiding stone for honing processes

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10.1016/j.ijrmhm.2019.105034
 
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hdl:2117/177588

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Fang, ShiqiMés informació
Klein, Sven
Hsu, Chia-Jui
Llanes Pitarch, Luis MiguelMés informacióMés informacióMés informació
Gachot, C
Bähre, Dirk
Document typeArticle
Defense date2019-11-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Honing is often implemented as surface finish process by improving geometrical and form precision of workpieces. Guiding stones, usually made of hard materials with requirement of excellent tribological properties, play a key role as a supporting part in the honing tool. In this paper, cemented carbides are intended for guiding application as substitute of diamond or CBN composites. Innovative surface textures, namely crossing-line patterns and dimple arrays, are fabricated by means of short pulse laser on a cemented tungsten carbide (hardmetal) grade. Implementation of these processing conditions yields satisfactory geometrical accuracy. The cemented carbide stones patterned by laser together with a traditional diamond guiding stone were tested on a lubricated pin-on-disc tribometer. Both cross-line patterns or dimple arrays are found to improve frictional conditions compared to the traditional guiding stone, but the former are more favorable to build up a stable sliding scenario with minimized friction than the latter. Pattern density has a more significant impact on friction, diminishing in the case of dimple arrays.
CitationFang, S. [et al.]. Fabrication and tribological performance of a laser-textured hardmetal guiding stone for honing processes. "International journal of refractory metals and hard materials", 1 Novembre 2019, vol. 84, p. 105034:1-105034:8. 
URIhttp://hdl.handle.net/2117/177588
DOI10.1016/j.ijrmhm.2019.105034
ISSN0263-4368
Publisher versionhttps://www.sciencedirect.com/science/article/abs/pii/S0263436819304123
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  • Departament de Ciència i Enginyeria de Materials - Articles de revista [544]
  • CIEFMA - Centre d'Integritat Estructural, Fiabilitat i Micromecànica dels Materials - Articles de revista [283]
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