Golf Club Head Alloy and Method for Producing a Sheet Material for a Striking Plate of a Golf Club Head by Using the Same
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United States of America Patent
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Issued Date -
Sep 25, 2014
app pub date -
Jul 19, 2013
filing date -
Mar 21, 2013
priority date (Note) -
Abandoned
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Abstract
A golf club head alloy includes 7-9.5 wt % of aluminum, 0.5-2 wt % of vanadium, 0.05-0.4 wt % of silicon, less than 0.4 wt % of iron, less than 0.15 wt % of oxygen, less than 0.1 wt % of carbon, less than 0.05 wt % of nitrogen, with the rest being titanium. The golf club head alloy has a density of 4.32-4.35 g/cm3. A method uses the golf club head alloy to produce a sheet material for a club head striking plate. The method includes smelting the golf club head alloy into a titanium alloy rod, and repeatedly heating the titanium alloy rod and forging the titanium alloy rod into a flat blank. The flat blank is hot rolled to form a thin blank, wherein the flat blank has a reduction ratio of 70-75%. The thin blank is cold rolled into an alloy sheet material, and the alloy sheet material is annealed to form a sheet material for a club head striking plate.
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