| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a Mg-alloy member excellent in both of corrosion resistance and fatigue strength, to provide its production method and to provide a transportation device equipped with the Mg-alloy member. <P>SOLUTION: The Mg-alloy member 10 includes a member body 1 composed of a Mg alloy containing Al, and an anodic oxide film 2 covering at least a part of the member body 1. The anodic oxide film 2 includes a first porous layer 2a and a second layer 2b that is located between the first layer 2a and the member body 1 and has an Al content higher than that of the first layer 2a. The ratio of the thickness t<SB>b</SB>of the second layer 2b to the thickness t of the anodic oxide film 2 is 5% or more and 20% or less. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
