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    • 3. 发明申请
    • METHOD OF MANUFACTURING HIGH STRENGTH AND HIGH DUCTILITY TITANIUM ALLOY
    • 制造高强度和高密度钛合金的方法
    • US20130019999A1
    • 2013-01-24
    • US13511419
    • 2010-12-23
    • Chong-Soo LeeYou Hwan LeeSun Mi KimChan Hee Park
    • Chong-Soo LeeYou Hwan LeeSun Mi KimChan Hee Park
    • C22F1/18
    • C22C14/00C22F1/04
    • Disclosed is a method of manufacturing a high strength and high ductility titanium alloy. The method comprises: providing a titanium alloy having a martensite structure; and partially dynamically spheroidizing a microstructure through a thermal and mechanical treatment of the titanium alloy having the martensite structure. According to the present invention, a titanium alloy having a partially dynamically spheroidized microstructure can be manufactured to have excellent yield strength (YS) and uniform elongation (U.EL). A microstructure having lamellar structures is controlled to a microstructure where fine equiaxed structures and lamellar structures are simultaneously present by regulating a rolling direction and a deformation amount. According to the present invention, a titanium alloy can be manufactured to have an improved product (YS×U.EL) of yield strength and uniform elongation as compared with conventional heat treatment.
    • 公开了一种制造高强度和高延展性钛合金的方法。 该方法包括:提供具有马氏体结构的钛合金; 并通过具有马氏体结构的钛合金的热和机械处理部分动态地球化微结构。 根据本发明,可以制造具有部分动态球化的微结构的钛合金,以具有优异的屈服强度(YS)和均匀的伸长率(U.EL)。 通过调节轧制方向和变形量,将具有层状结构的微观结构控制到微观结​​构,同时存在细等轴结构和层状结构。 根据本发明,与常规热处理相比,可以制造钛合金以具有改善的屈服强度和均匀伸长率的产品(YS×U.EL)。