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US 10,293,218 B2Granted
Golf club head having a nanocrystalline titanium alloy
AssigneeKarsten Manufacturing Corporation
InventorLiang Quan
Life of this patent
Estimating the term…
Abstract
Embodiments of a golf club head and methods to manufacture such a golf club head are generally described herein. The golf club head generally includes at least one ball-striking face, which comprises a titanium alloy that is associated with an average grain size measuring no more than about 1 micron (μm) in the longest dimension. The golf club head is associated with a coefficient of restitution of about 0.847 or more when a ball impacts the ball-striking face.
Claims15
A golf club head comprising:
- at least one ball-striking face, wherein the at least one ball-striking face comprises a titanium alloy having a yield strength of at least 800 MPa, the titanium alloy comprising, by weight, about 5.50% to about 6.75% aluminum, about 3.6% to about 4.4% zirconium, and the balance titanium and incidental elements and impurities.
A golf club head comprising:
- at least one ball-striking face, wherein the ball-striking face comprises a titanium alloy with an average grain size measuring no more than about 1 micron (μm) in the longest dimension, the titanium alloy comprising, by weight, about 5.50% to about 6.75% aluminum, about 3.6% to about 4.4% zirconium, and the balance titanium and incidental elements and impurities.
Dependencies are inferred from the claim text.