High modulus, low-cost, weldable, castable titanium alloy and ar

Details High modulus, low-cost, weldable, castable titanium alloy and ar High modulus, low-cost, weldable, castable titanium alloy and ar

1997-08-04

1999-12-14

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

420418, 75612, 473349, C22C 1400, A63B 5304

Patent

active

060014954

ABSTRACT:
An improved high-modulus, low-cost, castable, weldable titanium alloy and a process for making such an alloy is provided. In general, titanium is alloyed with about 0.75 weight percent iron and about 8 weight percent aluminum to result in an alloy with a modulus of over 21.times.10.sup.6 psi. This modulus is above the modulus for conventional castable titanium alloys, such as the commercially-available castable titanium alloy containing 6 weight percent aluminum and 4 weight percent vanadium.
Applications for this alloy include golf club heads, which can be fabricated by casting a golf club head body from the above alloy and welding a sole plate onto the cast golf club head body. This provides a golf club head with superior energy transfer characteristics for hitting a golf ball.

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