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1. JP2021055178 - アルミニウム合金材及びその製造方法

Office
Japan
Application Number 2020075335
Application Date 21.04.2020
Publication Number 2021055178
Publication Date 03.03.2021
Grant Number 6846558
Grant Date 03.03.2021
Publication Kind B1
IPC
C23C 22/34
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
22Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
05using aqueous solutions
06using aqueous acidic solutions with pH < 6
34containing fluorides or complex fluorides
CPC
C23C 22/34
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
22Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
05using aqueous solutions
06using aqueous acidic solutions with pH less than 6
34containing fluorides or complex fluorides
Applicants 株式会社UACJ
Inventors 京 良彦
菊池 美穂子
Agents アインゼル・フェリックス=ラインハルト
前川 純一
二宮 浩康
上島 類
Priority Data 2019177015 27.09.2019 JP
Title
(JA) アルミニウム合金材及びその製造方法
Abstract
(JA)

【課題】他材料との接着耐久性が優れたアルミニウム合金材、およびその製造方法を提供すること。
【解決手段】アルミニウム合金からなる基材と、基材の表面上に化成処理皮膜とを有するアルミニウム合金材であって、アルミニウム合金材を、25℃、pH5.5の5wt%NaCl静止水溶液中において飽和KCl銀−塩化銀電極を参照電極として20mV/minの掃引速度で測定したカソード分極曲線において、電流密度の絶対値が10μA/cmに到達する電極電位が−1350mV〜−1150mVである、アルミニウム合金材。
【選択図】図2

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