TW202126828A - Alloy for constituting golf club head being high in toughness and strength and capable of bearing local high-speed impact at a ball hitting moment of the golf club head without breaking or deforming - Google Patents
Alloy for constituting golf club head being high in toughness and strength and capable of bearing local high-speed impact at a ball hitting moment of the golf club head without breaking or deforming Download PDFInfo
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- TW202126828A TW202126828A TW109100751A TW109100751A TW202126828A TW 202126828 A TW202126828 A TW 202126828A TW 109100751 A TW109100751 A TW 109100751A TW 109100751 A TW109100751 A TW 109100751A TW 202126828 A TW202126828 A TW 202126828A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/32—Golf
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Abstract
Description
本發明是有關於一種組成合金,特別是指一種可用於作為高爾夫球桿頭之材料的組成合金。The present invention relates to a component alloy, especially a component alloy that can be used as a material for golf club heads.
由於質量輕及強度高等特點,鈦合金被廣泛應用於航太、汽車、精密機械及自行車等領域,其中常見的代表便是Ti-6Al-4V合金,其是由6wt%的鋁、4wt%的釩,及不可避免的雜質及鈦組成,然而此材質比強度不足,難以承受擊球時瞬間升高的力道,且不利於重新調整配重,因而已無法滿足目前的高爾夫球桿頭之設計。Due to its light weight and high strength, titanium alloys are widely used in aerospace, automobiles, precision machinery and bicycles. The common representative is Ti-6Al-4V alloy, which is made of 6wt% aluminum and 4wt% It is composed of vanadium, and inevitable impurities and titanium. However, this material has insufficient specific strength and cannot withstand the instantaneous increase in force when hitting the ball, and is not conducive to re-adjusting the weight. Therefore, it can no longer meet the current golf club head design.
因此,本發明之目的,即在提供一種具高強度、高韌度及低密度等特性,以能應用於高爾夫球桿頭的組成合金。Therefore, the object of the present invention is to provide an alloy with high strength, high toughness and low density, which can be applied to golf club heads.
於是,本發明高爾夫球桿頭之組成合金,包含7.0wt%~8.0wt %的鋁、0.15~0.3wt%的矽、1.8wt%~2.2wt%的鉻、0.8wt%~1.2wt%的釩、2.3wt%~2.7wt%的鉬、0.3wt%~0.7wt%的鐵,其餘為不可避免的雜質及用以平衡且含量不為0的鈦。Therefore, the composition alloy of the golf club head of the present invention contains 7.0wt%~8.0wt% aluminum, 0.15~0.3wt% silicon, 1.8wt%~2.2wt% chromium, and 0.8wt%~1.2wt% vanadium. , 2.3wt%~2.7wt% molybdenum, 0.3wt%~0.7wt% iron, the rest are unavoidable impurities and titanium for balance and the content is not 0.
本發明之功效在於:本發明具有高韌性及強度,能承受高爾夫球桿頭擊球瞬間的局部高速撞擊而不破裂、不變形,且本發明同時具有低密度之特色,能減輕桿頭重量,使配重分佈能有更大的彈性,以能針對不同的彈道需求、使用者特性來進行重心的調整,達到最適化的桿頭設計。The effect of the present invention is that the present invention has high toughness and strength, can withstand the local high-speed impact of the golf club head at the moment of hitting the ball without breaking or deforming, and the present invention also has the characteristics of low density, which can reduce the weight of the club head. The weight distribution can be more flexible, so that the center of gravity can be adjusted according to different ballistic requirements and user characteristics, so as to achieve the most suitable club head design.
參閱圖1,本發明高爾夫球桿頭之組成合金的一實施例,包含7.0wt%~8.0wt%的鋁、0.15~0.3wt%的矽、1.8wt%~2.2wt%的鉻、0.8wt%~1.2wt%的釩、2.3wt%~2.7wt%的鉬、0.3wt%~0.7wt%的鐵,其餘為不可避免的雜質,及用以平衡且含量不為0的鈦。其中矽的含量較佳為0.18wt%。本發明透過添加0.18wt%的矽,能有利於防止氣孔形成、增進收縮作用,及增加金屬液之流動性,從而能提升合金鑄件之鑄造性。加入1.8wt%~2.2wt%的鉻,可提升合金材料硬化能及強度。加入0.8wt%~1.2wt%的釩,可使合金晶粒細化與析出強化,有助於提升合金機械性質。加入2.3wt%~2.7wt%的鉬,能增加強度但不致降低可塑性及韌性。圖1所顯示的是本發明的晶相SEM(掃描式電子顯微鏡,Scanning Electron Microscope,簡稱 SEM )圖。Referring to Figure 1, an embodiment of the alloy of the golf club head of the present invention includes 7.0wt%~8.0wt% aluminum, 0.15~0.3wt% silicon, 1.8wt%~2.2wt% chromium, 0.8wt% ~1.2wt% of vanadium, 2.3wt% to 2.7wt% of molybdenum, 0.3wt% to 0.7wt% of iron, the rest are unavoidable impurities, and the balance is not zero titanium. The content of silicon is preferably 0.18wt%. By adding 0.18wt% of silicon, the present invention can help prevent the formation of pores, improve the shrinkage effect, and increase the fluidity of the molten metal, thereby improving the castability of alloy castings. Adding 1.8wt%~2.2wt% of chromium can improve the hardening ability and strength of alloy materials. Adding 0.8wt%~1.2wt% of vanadium can refine the alloy grains and strengthen the precipitation, which helps to improve the mechanical properties of the alloy. The addition of 2.3wt%~2.7wt% molybdenum can increase the strength but not reduce the plasticity and toughness. Figure 1 shows the crystal phase SEM (Scanning Electron Microscope, SEM for short) image of the present invention.
參閱下表1,為本發明與其他7種常見的高強度鈦合金材料的成分組成,下表2則是這8種材料的機械性質比較,由表2中可清楚看到,本實施例有較高的強度、韌度及硬度,因此做為高爾夫球桿頭的材料,本實施例可承受擊球瞬間的高速撞擊,而能不破裂且不變形。參閱圖2,圖2為表1中的8種鈦合金特性的散點圖,其中橫坐標為應力除以彈性係數,縱座標則為應力除以密度,據此可將圖1區分為四個區域,左下的區域代表強度低且密度高,其並不適合作為高爾夫球桿頭之材料,右下的區域代表密度高,其不利於結構設計及配重調整,左上的區域代表強度高但彈性係數也高,其材質較脆而導致球頭容易破裂,右上的區域代表強度高但密度較低,其在保持高強度及韌度的情況下,還能擁有較低的密度,可維持設計及重心配置的靈活度,而本案實施例相較於其他材料而言,是位於右上方的區域,也就是維持高強度及高韌度的同時,能有較低的密度,因此利於調整配重,且能承受擊球瞬間的高速撞擊,適合製成高爾夫球桿頭。Refer to Table 1 below for the composition of the present invention and other 7 common high-strength titanium alloy materials. Table 2 below is a comparison of the mechanical properties of these 8 materials. It can be clearly seen from Table 2 that this embodiment has With high strength, toughness and hardness, as the material of the golf club head, this embodiment can withstand high-speed impact at the moment of hitting the ball without breaking or deforming. Refer to Figure 2. Figure 2 is a scatter plot of the characteristics of the eight titanium alloys in Table 1. The abscissa is the stress divided by the coefficient of elasticity, and the ordinate is the stress divided by the density. Based on this, Figure 1 can be divided into four Area, the lower left area represents low strength and high density, which is not suitable as a golf club head material, the lower right area represents high density, which is not conducive to structural design and weight adjustment, the upper left area represents high strength but elastic coefficient It is also high, and its material is brittle, which makes the ball head easy to break. The upper right area represents high strength but low density. While maintaining high strength and toughness, it can also have a lower density, which can maintain the design and center of gravity. The configuration flexibility, compared with other materials, the embodiment of this case is located in the upper right area, that is, while maintaining high strength and high toughness, it can have a lower density, so it is beneficial to adjust the weight, and It can withstand high-speed impact at the moment of hitting the ball and is suitable for making golf club heads.
表1
表2
綜上所述,本發明的組成合金能在具備高強度及高韌性的同時,擁有相對較低的密度,不但能提升作為高爾夫球桿頭的耐用度,也能提高其結構設計及配重的自由度和機動性,故確實能達成本發明之目的。In summary, the alloy of the present invention can have high strength and high toughness, while having a relatively low density, not only can improve the durability as a golf club head, but also improve its structural design and weight The degree of freedom and mobility can indeed achieve the purpose of the invention.
惟以上所述者,僅為本發明之實施例而已,當不能以此限定本發明實施之範圍,凡是依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.
無none
本發明之其它的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是一SEM圖,說明本發明凹爾夫球桿頭之組成合金的晶相;及 圖2是一散點圖,說明表1中的八種鈦合金之特性。Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is an SEM image illustrating the crystal phase of the alloy of the concave club head of the present invention; and Figure 2 is a scatter diagram illustrating the characteristics of the eight titanium alloys in Table 1.
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TW109100751A TWI704235B (en) | 2020-01-09 | 2020-01-09 | Composition alloy of golf club head |
CN202010205725.XA CN113215440A (en) | 2020-01-09 | 2020-03-23 | Alloy composition of golf club head |
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JP4548652B2 (en) * | 2004-05-07 | 2010-09-22 | 株式会社神戸製鋼所 | Α-β type titanium alloy with excellent machinability |
JP4981369B2 (en) * | 2005-09-23 | 2012-07-18 | 泰富 陳 | Low density alloy for golf club head |
JP5287062B2 (en) * | 2007-09-14 | 2013-09-11 | 大同特殊鋼株式会社 | Low specific gravity titanium alloy, golf club head, and method for manufacturing low specific gravity titanium alloy parts |
TW200932920A (en) * | 2008-01-16 | 2009-08-01 | Advanced Int Multitech Co Ltd | Titanium aluminum alloy applied in golf club head |
TWI388677B (en) * | 2008-10-09 | 2013-03-11 | Univ Nat Pingtung Sci & Tech | Low cr-containing and high-strength fe-based alloy for golf club head |
US9884229B2 (en) * | 2012-02-24 | 2018-02-06 | Nippon Steel & Sumitomo Metal Corporation | Titanium alloy for golf club face |
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US10000826B2 (en) * | 2016-03-10 | 2018-06-19 | Titanium Metals Corporation | Alpha-beta titanium alloy having improved elevated temperature properties and superplasticity |
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