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40125Re: [hobbicast] Grained silicon bronze photos

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  • Stone Tool
    Dec 1, 2009
      Excellent.... the grained stuff obviously would make it far easier to
      put the amount needed for a pour into a crucible..... great idea!!

      Howard


      scobeyguy wrote:
      > Hi All,
      >
      > A while back there was a thread on the list about "graining"(also called shot)metal by pouring it into cold water. I usually use the graining process to make very small grains of precious metal for ease in weighing when mixing alloys. I have been doing some bronze casting lately and was using a very small crucible. It was a real pain in the ass to cut the huge ingot up into small pieces to fit in the crucible, so I decided to grain some of it. The cooling vessel is a very thick walled S.S. vessel 14" tall by 6" I.D. I poured it from a distance of about six inches above the water. If I had wanted smaller grains, I would have poured from a greater height and poured much slower, but in this case, I didn't care. I have added two photos of the result, to my photo album (Garys' foundry pics). let me see if the link works:note the penny for size comparison
      >
      > http://groups.yahoo.com/group/hobbicast/photos/album/278697799/pic/2094146484/view?picmode=&mode=list&order=ordinal&start=1&count=20&dir=asc
      >
      > Incidentally, I have not uploaded any photos for about five years. I found that I could not upload to my original album. I had to create a new album with the same name. I vaguely recall something a long time ago about some changes to Yahoo. Can I easily combine these two albums so that I still have control of the photos and can add and remove?
      >
      > Gary
      >
      >
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