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Theses

Amélioration de la durée de service d'outils d'usinage du bois par traitements de surface et préparation de l'arête de coupe

Abstract : The aim of this work is to find solutions to the problems concerning the wood machining tools, especially those employed in first transformation of wood (premature wearing and brooking cutting edge). The obtained improvements of these tools in laboratory can provide from surface modifications by applications of hard thin coatings (like CrN) and thermochemical treatments (low temperature ionic nitriding). Besides, in order to test the efficiency of tools modifications under real machining conditions, we realised industrial peeling and milling of green wood with tools modified by classical treatments and coatings usually employed (TiN, CrN, DLC, duplex treatment (nitriding + hard coating)). These machining tests were realised in frame work of a European CRAFT research project. According to the obtained results, we started to develop new ternary hard coatings (CrAlN and ZrBN) to apply them in wood machining. The modification of the cutting tool's geometry by sand-blasting was also studied. To realise this study, many equipments of physico-chemical and tribological characterization of hard coatings were used as laboratory and industrial wood cutting machines.
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https://pastel.archives-ouvertes.fr/pastel-00002491
Contributor : Ecole Arts Et Métiers Paristech <>
Submitted on : Tuesday, June 5, 2007 - 8:00:00 AM
Last modification on : Friday, July 17, 2020 - 2:55:36 PM
Long-term archiving on: : Thursday, September 30, 2010 - 8:01:25 PM

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  • HAL Id : pastel-00002491, version 1

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Chafik Labidi. Amélioration de la durée de service d'outils d'usinage du bois par traitements de surface et préparation de l'arête de coupe. Sciences de l'ingénieur [physics]. Arts et Métiers ParisTech, 2006. Français. ⟨NNT : 2006ENAM0058⟩. ⟨pastel-00002491⟩

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