Super Pure Aluminum
Equiaxed alpha grains in the interior of a super-pure aluminum specimen anodized with Barker’s reagent, 30 V dc, 2 min. Viewed with crossed polarized light plus sensitive tint. Original at 50X. The dark spots are intermetallic phases.
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The articles and presentations that can be down-loaded from this web site are based upon work done by GFV while employed at Bethlehem Steel (1967-1983), Carpenter Technology (1983-1996), Buehler Ltd. (1996-2009) and Struers (2009-Present) and from the authors consulting work for companies such as, Latrobe Steel, Scot Forge, etc., and from his litigation work. GFV's bylined articles appearing in various issues of the ASM Handbook series have been listed here courtesy of ASM International, Materials Park, Ohio.