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Pure titanium TA1 titanium alloy with high strength and density of small, good mechanical performance, toughness and corrosion resistance is very good. In addition, the process performance of titanium alloy is poor, machining difficulty, in the hot working, very easy to absorb hydrogen nitrogen impurities such as carbon. And abrasion resistance is poor, complex production process. Titanium industrial production was started in 1948. The needs of the development of aviation industry, make titanium industry development with an average of about 8% a year growth. The world titanium alloy processing material annual output reached 40000 tons, of nearly 30 kinds of titanium alloy. Is the most widely used titanium alloy Ti 6 al 4 v (TC4), al Ti - 5-2.5 - Sn (TA7) and pure titanium (TA1, TA2 and TA3).