Method for growing single crystals of metals
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United States of America Patent
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Apr 12, 2011
Grant Date -
May 14, 2009
app pub date -
Nov 8, 2007
filing date -
May 12, 2005
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Abstract
A method for growing large single crystals of metals is disclosed. A polycrystalline form of a metal specimen is initially heated in a non-oxidizing environment. A minimum plastic strain is then applied to the heated metal specimen to initiate the growth of a selected grain within the heated metal specimen. Additional plastic strain is subsequently applied to the heated metal specimen to propagate the growth of the selected grain to become a large single crystal.
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