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1. WO2021060346 - ALUMINUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING SAME

Publication Number WO/2021/060346
Publication Date 01.04.2021
International Application No. PCT/JP2020/035953
International Filing Date 24.09.2020
IPC
C23C 22/34 2006.01
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 UACJ CORPORATION [JP]/[JP]
Inventors
  • 京 良彦 KYO Yoshihiko
  • 菊池 美穂子 KIKUCHI Mihoko
Agents
  • アインゼル・フェリックス=ラインハルト EINSEL Felix-Reinhard
  • 前川 純一 MAEKAWA Junichi
  • 二宮 浩康 NINOMIYA Hiroyasu
  • 上島 類 UESHIMA Rui
Priority Data
2019-17701527.09.2019JP
2020-07533521.04.2020JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ALUMINUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING SAME
(FR) MATÉRIAU D'ALLIAGE D'ALUMINIUM ET SON PROCÉDÉ DE FABRICATION
(JA) アルミニウム合金材及びその製造方法
Abstract
(EN)
An aluminum alloy material having a base material formed from an aluminum alloy, and a chemical treatment film on the surface of the base material, wherein, in a cathode polarization curve obtained by measuring the aluminum alloy material at a sweeping speed of 20 mV/min by using a saturated KCl silver-silver chloride electrode as a reference electrode in a 5 wt% NaCl static aqueous solution at a temperature of 25°C and a pH of 5.5, the electrode potential at which the absolute value of the current density reaches 10 μA/cm2 is -1350 to -1150 mV.
(FR)
L'invention concerne un matériau d'alliage d'aluminium comportant un matériau de base formé à partir d'un alliage d'aluminium, et un film de traitement chimique sur la surface du matériau de base ; dans une courbe de polarisation de cathode obtenue par la mesure du matériau d'alliage d'aluminium à une vitesse de balayage de 20 mV/min au moyen d'une électrode au chlorure d'argent-argent saturée en KCl en tant qu'électrode de référence dans une solution aqueuse statique de NaCl à 5 % en poids, à une température de 25 °C et un pH de 5,5, le potentiel d'électrode auquel la valeur absolue de la densité de courant atteint 10 μA/cm2 est compris entre -1350 et -1150 mV.
(JA)
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。
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