Low density titanium alloy, golf club head, and process for prouducing low density titanium alloy part
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United States of America Patent
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Issued Date -
Mar 19, 2009
app pub date -
Sep 12, 2008
filing date -
Sep 14, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a low density titanium alloy, containing: 7.1 to 10.0 mass % of Al; 0.1 to 3.0 mass % of Fe; 0.01 to 0.3 mass % of O; 0.5 mass % or less of N; 0.5 mass % or less of C; and a remainder being Ti and inevitable impurities; a golf club head using the alloy; and a production method for a low density titanium alloy part using the alloy. The alloy of the invention may further contain 0.01 to 2.0 mass % of V. The alloy of the invention has higher specific strength as compared to the Ti-6Al-4V alloy, is excellent in hot workability, and is reduced in cost.
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