Title:
ALUMINUM MEMBER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/044368
Kind Code:
A1
Abstract:
This aluminum member (10) is provided with: a substrate (12) which is formed from aluminum or an aluminum alloy that contains from 0% by mass to 10% by mass of magnesium, 0.1% by mass or less of iron and 0.1% by mass or less of silicon, with the balance being made up of aluminum and unavoidable impurities; and an anodic oxide coating film (14) which is formed on a surface (12a) of the substrate (12). The anodic oxide coating film (14)-side surface (12a) of the substrate (12) after removal of the anodic oxide coating film (14) has an arithmetic mean roughness Sa of from 0.1 μm to 0.5 μm, a maximum height of roughness Sz of from 0.2 μm to 5 μm, and an average length of roughness curve element Rsm of from 0.5 μm to 10 μm.
Inventors:
SEKI YUSUKE (JP)
TAGUCHI YOSHIHIRO (JP)
TAGUCHI YOSHIHIRO (JP)
Application Number:
PCT/JP2018/029077
Publication Date:
March 07, 2019
Filing Date:
August 02, 2018
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
C25D11/04; C22C21/00; C25D11/16; C25D11/18
Foreign References:
JP2004091844A | 2004-03-25 | |||
JP2004091851A | 2004-03-25 | |||
JPS5446136A | 1979-04-11 | |||
JPS4868435A | 1973-09-18 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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