Piece revetue par un revetement de carbone amorphe non-hydrogene sur une sous-couche comportant du chrome, du carbone et du silicium
La présente demande concerne une pièce comportant un substrat métallique, un revêtement de carbone amorphe non-hydrogéné, de type ta-c voire a-c, revêtant le substrat, et une sous-couche à base de chrome (cr), de carbone (c) et de silicium (si) disposée entre le substrat métallique et le revêtement...
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creator | PROST, Fabrice BOMBILLON, Laurent |
description | La présente demande concerne une pièce comportant un substrat métallique, un revêtement de carbone amorphe non-hydrogéné, de type ta-c voire a-c, revêtant le substrat, et une sous-couche à base de chrome (cr), de carbone (c) et de silicium (si) disposée entre le substrat métallique et le revêtement de carbone amorphe et sur laquelle le revêtement de carbone amorphe est appliqué, caractérisée en ce que la sous-couche comporte, à son interface avec le revêtement de carbone amorphe, un rapport entre une teneur atomique en silicium et une teneur atomique en chrome (si/cr) compris entre 0,35 et 0,60, et un rapport entre une teneur atomique en carbone et la teneur atomique en silicium (c/si) compris entre 2,5 et 3,5.
Disclosed is a part comprising a metal substrate, a non-hydrogenated amorphous ta-C or aC carbon coating that coats the substrate, and an undercoat which is based on chromium (Cr), carbon (C) and silicon (Si) and is disposed between the metal substrate and the amorphous carbon coating and to which the amorphous carbon coating is applied, characterized in that the undercoat included, at its interface with the amorphous carbon coating, a ratio of silicon in atomic percent to chromium in atomic percent (Si/Cr) of 0.3 to 0.60, and a ratio of carbon in atomic percent to silicon in atomic percent (C/Si) of 2.5 to 3.5. |
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Disclosed is a part comprising a metal substrate, a non-hydrogenated amorphous ta-C or aC carbon coating that coats the substrate, and an undercoat which is based on chromium (Cr), carbon (C) and silicon (Si) and is disposed between the metal substrate and the amorphous carbon coating and to which the amorphous carbon coating is applied, characterized in that the undercoat included, at its interface with the amorphous carbon coating, a ratio of silicon in atomic percent to chromium in atomic percent (Si/Cr) of 0.3 to 0.60, and a ratio of carbon in atomic percent to silicon in atomic percent (C/Si) of 2.5 to 3.5.</description><language>fre</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210630&DB=EPODOC&CC=MA&NR=51939B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210630&DB=EPODOC&CC=MA&NR=51939B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PROST, Fabrice</creatorcontrib><creatorcontrib>BOMBILLON, Laurent</creatorcontrib><title>Piece revetue par un revetement de carbone amorphe non-hydrogene sur une sous-couche comportant du chrome, du carbone et du silicium</title><description>La présente demande concerne une pièce comportant un substrat métallique, un revêtement de carbone amorphe non-hydrogéné, de type ta-c voire a-c, revêtant le substrat, et une sous-couche à base de chrome (cr), de carbone (c) et de silicium (si) disposée entre le substrat métallique et le revêtement de carbone amorphe et sur laquelle le revêtement de carbone amorphe est appliqué, caractérisée en ce que la sous-couche comporte, à son interface avec le revêtement de carbone amorphe, un rapport entre une teneur atomique en silicium et une teneur atomique en chrome (si/cr) compris entre 0,35 et 0,60, et un rapport entre une teneur atomique en carbone et la teneur atomique en silicium (c/si) compris entre 2,5 et 3,5.
Disclosed is a part comprising a metal substrate, a non-hydrogenated amorphous ta-C or aC carbon coating that coats the substrate, and an undercoat which is based on chromium (Cr), carbon (C) and silicon (Si) and is disposed between the metal substrate and the amorphous carbon coating and to which the amorphous carbon coating is applied, characterized in that the undercoat included, at its interface with the amorphous carbon coating, a ratio of silicon in atomic percent to chromium in atomic percent (Si/Cr) of 0.3 to 0.60, and a ratio of carbon in atomic percent to silicon in atomic percent (C/Si) of 2.5 to 3.5.</description><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjb0KwkAQhNNYiPoKsg9gihAsUqooNoKFfTg3ownkbo_7Eex9cC8xvdXszsy3O88-1w4McnghRJBVjqL5rdAwgRoQK3cXA1JanG1BRkzevhsnTyTXxwFJKtHnLJFTg0VbcUENfCRunWhsxnE6hTHwXd9xF_Uymz1U77GadJGtT8fb4ZzDSg1vFadHob7stkVVVvui_Fv4ArPOSU4</recordid><startdate>20210630</startdate><enddate>20210630</enddate><creator>PROST, Fabrice</creator><creator>BOMBILLON, Laurent</creator><scope>EVB</scope></search><sort><creationdate>20210630</creationdate><title>Piece revetue par un revetement de carbone amorphe non-hydrogene sur une sous-couche comportant du chrome, du carbone et du silicium</title><author>PROST, Fabrice ; BOMBILLON, Laurent</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_MA51939B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>fre</language><creationdate>2021</creationdate><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><toplevel>online_resources</toplevel><creatorcontrib>PROST, Fabrice</creatorcontrib><creatorcontrib>BOMBILLON, Laurent</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PROST, Fabrice</au><au>BOMBILLON, Laurent</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Piece revetue par un revetement de carbone amorphe non-hydrogene sur une sous-couche comportant du chrome, du carbone et du silicium</title><date>2021-06-30</date><risdate>2021</risdate><abstract>La présente demande concerne une pièce comportant un substrat métallique, un revêtement de carbone amorphe non-hydrogéné, de type ta-c voire a-c, revêtant le substrat, et une sous-couche à base de chrome (cr), de carbone (c) et de silicium (si) disposée entre le substrat métallique et le revêtement de carbone amorphe et sur laquelle le revêtement de carbone amorphe est appliqué, caractérisée en ce que la sous-couche comporte, à son interface avec le revêtement de carbone amorphe, un rapport entre une teneur atomique en silicium et une teneur atomique en chrome (si/cr) compris entre 0,35 et 0,60, et un rapport entre une teneur atomique en carbone et la teneur atomique en silicium (c/si) compris entre 2,5 et 3,5.
Disclosed is a part comprising a metal substrate, a non-hydrogenated amorphous ta-C or aC carbon coating that coats the substrate, and an undercoat which is based on chromium (Cr), carbon (C) and silicon (Si) and is disposed between the metal substrate and the amorphous carbon coating and to which the amorphous carbon coating is applied, characterized in that the undercoat included, at its interface with the amorphous carbon coating, a ratio of silicon in atomic percent to chromium in atomic percent (Si/Cr) of 0.3 to 0.60, and a ratio of carbon in atomic percent to silicon in atomic percent (C/Si) of 2.5 to 3.5.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
title | Piece revetue par un revetement de carbone amorphe non-hydrogene sur une sous-couche comportant du chrome, du carbone et du silicium |
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