Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
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United States of America Patent
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Jun 28, 2011
Grant Date -
Oct 14, 2010
app pub date -
Jan 9, 2007
filing date -
Feb 9, 2001
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Abstract
C carbides within a fine lath martensite matrix from which enhanced chemical partitioning of Cr to the surface provides a stable oxide passivating film for corrosion resistance. The alloy, with a UTS in excess of 280 ksi, is useful for applications such as aircraft landing gear, machinery and tools used in hostile environments, and other applications wherein ultrahigh-strength, corrosion resistant, structural steel alloys are desired.
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