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Bulk amorphous alloy for sporting goods

2020-08-08  

The strength and hardness of bulk amorphous alloys are extremely high, the modulus of elasticity is very low, the elastic limit is very large, and the strength is very high, so their ability to store elastic energy is very strong, up to 20MJ/m, while the commonly used crystalline alloys It can only store elastic energy less than 7MJ/m:.

The high performance of bulk amorphous alloy used in sporting goods is mainly manifested in: the strength is 3 times that of other materials, the permanent deformation resistance is 2 to 3 times higher than that of ordinary metals, the hardness is twice that of stainless steel and titanium, and the elasticity is super 3 to 4 times that of metal, with a density between titanium and steel, excellent natural low frequency vibration damping. Studies have shown that compared with ordinary steel materials, amorphous alloys have outstanding high strength, high toughness and high wear resistance.

As a new type of structural and functional material, amorphous alloys have been applied in the field of sports equipment. Golf heads are a typical case. The earliest golf head material is stainless steel, which can transmit 60% of the energy. The later titanium alloys The ball head increases the transmitted energy to 70%, while the ball head made of bulk amorphous alloy has very good energy transfer characteristics and can transmit 99% of the energy.


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