GOLF CLUB HEAD AND LOW DENSITY ALLOY THEREOF

摘要

A golf club head and a low density alloy thereof are provided. The low density alloy has a balanced weight percentage of titanium, 10˜11 wt % aluminum, and trace elements including (C+N+O) <0.2 wt %, silicon <0.2 wt %, and (Fe+Cr+V+Mo) <0.4 wt %. The golf club head has a tensile strength of 90˜110 kips/in2, and a density of 4.18˜4.30 g/cm3. Through heat treatment at a high temperature of 925±25° C., the precipitation or α2 phase of the interfacial interphase can be avoided, and thus the embrittlement phenomena can be improved.

主权项

1. A golf club head having at least a portion of the golf club head made of an titanium-aluminum alloy, the titanium-aluminum alloy comprising:
10˜11 wt % aluminum; trace elements comprising (C+N+O)<0.2 wt %, Si<0.2 wt %, and (Fe+Cr+V+Mo)<0.4 wt %; and the balance being titanium; wherein the titanium-aluminum alloy is subject to heat treatment at 925±25° C. for 1˜4 hours to obtain a tensile strength in a range of 90˜110 kips/in2, and a density in a range of 4.18˜4.30 g/cm3.