COLORED PURE TITANIUM OR TITANIUM ALLOY HAVING LOW SUSCEPTIBILITY TO DISCOLORATION IN ATMOSPHERIC ENVIRONMENT
The present invention provides colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment exhibiting a superior resistance to discoloration even when the titanium is used in an environment of harsh acid rain such as a roof or wall material and fr...
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Format | Patent |
Language | English French |
Published |
22.10.2013
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Abstract | The present invention provides colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment exhibiting a superior resistance to discoloration even when the titanium is used in an environment of harsh acid rain such as a roof or wall material and free from deterioration of the aesthetic appearance over a long period of time, that is, colored pure titanium obtained by the anodic oxidation method, that is, colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment characterized by having an average phosphorus content in a range of 40 nm from a surface of a titanium oxide layer formed on the titanium surface of 5.5 atomic% or less and by having an average carbon concentration in a range of a depth of 100 nm from the titanium surface of 3 to 15 atomic%.
Cette invention concerne un titane pur ou alliage de titane coloré ayant une faible tendance à la décoloration dans un environnement atmosphérique lequel, même lorsque le titane est utilisé dans un environnement rude de pluies acides tel que des toits et des matériaux de murs, a d'excellentes propriétés anti-décoloration et ne subit pas de dégradation en ce qui concerne le niveau de design sur une longue durée. Le titane pur ou alliage de titane coloré ayant une faible tendance à la décoloration dans un environnement atmosphérique est un titane coloré produit par oxydation anodique et il est caractérisé en ce que la teneur moyenne en phosphore sur une distance de 40 nm mesurée à partir de la surface de la couche d'oxyde de titane formée sur la surface du titane n'est pas supérieure à 5,5 % atomique et en ce que la teneur moyenne en carbone sur une profondeur de 100 nm mesurée à partir de la surface du titane est de 3 à 15 % atomique. |
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AbstractList | The present invention provides colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment exhibiting a superior resistance to discoloration even when the titanium is used in an environment of harsh acid rain such as a roof or wall material and free from deterioration of the aesthetic appearance over a long period of time, that is, colored pure titanium obtained by the anodic oxidation method, that is, colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment characterized by having an average phosphorus content in a range of 40 nm from a surface of a titanium oxide layer formed on the titanium surface of 5.5 atomic% or less and by having an average carbon concentration in a range of a depth of 100 nm from the titanium surface of 3 to 15 atomic%.
Cette invention concerne un titane pur ou alliage de titane coloré ayant une faible tendance à la décoloration dans un environnement atmosphérique lequel, même lorsque le titane est utilisé dans un environnement rude de pluies acides tel que des toits et des matériaux de murs, a d'excellentes propriétés anti-décoloration et ne subit pas de dégradation en ce qui concerne le niveau de design sur une longue durée. Le titane pur ou alliage de titane coloré ayant une faible tendance à la décoloration dans un environnement atmosphérique est un titane coloré produit par oxydation anodique et il est caractérisé en ce que la teneur moyenne en phosphore sur une distance de 40 nm mesurée à partir de la surface de la couche d'oxyde de titane formée sur la surface du titane n'est pas supérieure à 5,5 % atomique et en ce que la teneur moyenne en carbone sur une profondeur de 100 nm mesurée à partir de la surface du titane est de 3 à 15 % atomique. |
Author | HASEGAWA, MITSUYUKI WADA, TAKAO KANEKO, MICHIO YAMAGISHI, KAZUO TOKUNO, KIYONORI |
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DocumentTitleAlternate | TITANE PUR OU ALLIAGE DE TITANE COLORE AYANT UNE FAIBLE TENDANCE A LA DECOLORATION DANS UN ENVIRONNEMENT ATMOSPHERIQUE |
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Snippet | The present invention provides colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment exhibiting a... |
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SubjectTerms | ALLOYS APPARATUS THEREFOR 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 ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS |
Title | COLORED PURE TITANIUM OR TITANIUM ALLOY HAVING LOW SUSCEPTIBILITY TO DISCOLORATION IN ATMOSPHERIC ENVIRONMENT |
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