Pulvérisation cathodique magnétron en condition réactive et propriétés mécaniques de revêtements duplex d'acier inoxydable enrichis en azote, carbone et oxygène

Abstract : This work deals with the synthesis, the physico-chemical and mechanical caracterisation of coatings obtained by cathodic magnetron sputtering of a metallic austenitic stainless steel target in different argon - reactive gas (nitrogen, methan or oxygen) mixtures. The metastable solid solutions which are nitrogen, carbon or oxygen supersatured, as weIl as the ceramic compound of oxide type (Fe, Cr, Ni)3 O4, with their different crystalline or amorphous structures are studied by means of the main diffraction techniques of structural analysis and physical methods of chemical analysis. The second part of this work aims to point out the complete mechanical properties of the different coatings and composite (coating + substrat). The intrinsic properties of the different coatings were first studied in relation with the elaboration parameters and structural properties. Vickers indentation as well as single pass and triboscopic multipass scratch testing were then performed on the three type of N, C, O doped coatings, in order to establish a relation between the brittleness or ductility and the tribological behaviour (friction, wear).
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Theses
File URL :
http://docnum.univ-lorraine.fr/prive/INPL_T_2000_GUTIER_P.pdf
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https://hal.univ-lorraine.fr/tel-01750415
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Submitted on : Thursday, March 29, 2018 - 12:45:42 PM
Last modification on : Monday, April 16, 2018 - 10:40:57 AM

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  • HAL Id : tel-01750415, version 1

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Patrick Gutier. Pulvérisation cathodique magnétron en condition réactive et propriétés mécaniques de revêtements duplex d'acier inoxydable enrichis en azote, carbone et oxygène. Autre. Institut National Polytechnique de Lorraine, 2000. Français. ⟨NNT : 2000INPL042N⟩. ⟨tel-01750415⟩

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