前言金属钛投入工业生产虽只有三十多年的历史,但发展速度很快,在航空、航天、航海等军事工业和冶金、化工等民用工业中获得了广泛的应用。目前,钛已被誉为第三金属(仅次于铁和铝),它的生产和应用仍在稳步扩大,可以预料,钛工业的发展有着光明的前途。钛具有许多优良的性能,这是钛工业发展的一 Preface Titanium metal into industrial production, although only thirty years of history, but the rapid development of aviation, aerospace, navigation and other military industries and metallurgical, chemical and other civilian industries has been widely used. At present, titanium has been praised as the third metal (after iron and aluminum), its production and application is still steadily expanding, it is expected that the titanium industry has a bright future. Titanium has many excellent properties, which is one of the titanium industry