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Titanium alloy for duplex golf club heads

A golf club head and titanium alloy technology, which is applied to the titanium alloy field of dual-phase golf club heads, can solve problems such as affecting the characteristics of the ball head.

Active Publication Date: 2019-08-06
O TA PRECISION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] Therefore, different microstructures will affect the characteristics of the ball head

Method used

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  • Titanium alloy for duplex golf club heads
  • Titanium alloy for duplex golf club heads
  • Titanium alloy for duplex golf club heads

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Embodiment Construction

[0033]In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments of the present invention will be exemplified below, together with the accompanying drawings, and described in detail as follows. Furthermore, the directional terms mentioned in the present invention are, for example, up, down, top, bottom, front, back, left, right, inside, outside, side, surrounding, central, horizontal, transverse, vertical, longitudinal, axial, The radial direction, the uppermost layer, the lowermost layer, etc. are only directions referring to the attached drawings. In addition, the singular forms "a", "an" and "the" referred to in the present invention include several references, unless the context clearly dictates otherwise. The numerical range (such as 10% to 11% of A) includes the upper and lower limits unless otherwise specified (ie 10%≦A≦11%); if the numerical range does not define the lower limit (such as les...

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Abstract

The present invention discloses a duplex-phase golf club head titanium alloy, which contains 6.0-7.5 wt% of aluminum, 1.5-2.5 wt% of vanadium, 1.5-2.5 wt% of chromium, 0.1-0.5 wt% of iron, 1.5-2.5 wt%of tin, 1.5-2.5 wt% of zirconium, 0.1-0.5 wt% of silicon, and other trace elements inevitable in an alloy material manufacturing process and with the ratio by using titanium as a base material. According to the present invention, after the duplex-phase golf club head titanium alloy is subjected to 780-840 DEG C plastic processing and heat treatment, the alloy structure with the alpha phase and the beta phase can be obtained; and due to the combination of the multiple alloying elements, the subgrain and high-density differential arrangement structure is generated in the alloy matrix, and the trace amount of the fine omega-phase precipitate can be formed, such that the duplex-phase golf ball bar head titanium alloy can have the tensile strength of 1300-1450 MPa, have the yield strength of 1250-1400 MPa, and the elongation of 6-12% so as to improve the design space of the golf club head structure.

Description

technical field [0001] The present invention relates to a titanium alloy of a duplex phase golf club head, comprising: 6.0 to 7.0% by weight of aluminum, 1.5 to 2.5% by weight of tin, 1.5 to 2.5% by weight of zirconium, 1.5 to 2.5% by weight % vanadium, 1.5 to 2.5 wt % chromium, 0.1 to 0.5 wt % iron, 0.05 to 0.20 wt % silicon. After proper plastic processing and heat treatment, the basic microstructure of the alloy is bimodal, with the characteristics of sub-grain and high-density dislocation, and a small amount of ω-phase precipitates. Background technique [0002] In golf clubs, clubs for different purposes are classified into woods, irons and putters according to their functions. Clubs for different purposes are made of various alloy materials. Among them, 3-5 wood club heads (wood), 7-8 iron club heads (iron), 1 pitching wedge club head (PW), 1 sand pit club head (SW), and putter shafts. 1 head (putter). It is described as follows: [0003] 1. Wooden club heads: Wood...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C14/00C22F1/18
Inventor 常传贤赵志烨曲湾湾
Owner O TA PRECISION IND