Carburized metal material and producing method thereof
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United States of America Patent
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Apr 3, 2012
Grant Date -
May 7, 2009
app pub date -
May 18, 2006
filing date -
May 18, 2005
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Abstract
A metal material that is, without using expensive apparatus, carburized in a low temperature region where crystal grains do not grow so much, and a producing method of the metal material are provided. A metal material mainly containing iron, wherein a surface of the metal material is subjected to a carburization treatment by a treatment using fullerenes as a carbon source.
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