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    • 1. 发明申请
    • METHOD FOR PRODUCING A HIGH-STRENGTH AND HIGHLY DUCTILE TITANIUM ALLOY
    • 用于生产高强度和高密度钛金属合金的方法
    • WO2011078600A3
    • 2011-11-17
    • PCT/KR2010009272
    • 2010-12-23
    • POSTECH ACAD IND FOUNDLEE CHONG-SOOLEE YOU HWANKIM SUN MIPARK CHAN HEE
    • LEE CHONG-SOOLEE YOU HWANKIM SUN MIPARK CHAN HEE
    • B21B3/00C22C1/00C22C14/00
    • C22C14/00C22F1/04
    • Disclosed is a method for producing a high-strength and highly ductile titanium alloy. The method for producing a high-strength and highly ductile titanium alloy comprises the following steps: providing a titanium alloy having a martensitic structure; and partially and dynamically spheroidizing a microstructure of said titanium alloy having a martensitic structure through heat and mechanical treatments. The method of the present invention produces a titanium alloy having a partially and dynamically spheroidized microstructure, and provides the titanium alloy with superior yield strength (YS) and uniform elongation (U.EL). The method of the present invention involves adjusting a rolling direction and deformation with respect to a layered microstructure, and thus enables the microstructure to have a micro-equiaxial structure and a layered structure coexisting therein. The method of the present invention can produce a titanium alloy having an improved product of yield strength and uniform elongation (YS×U.EL) as compared to conventional heat treatment methods.
    • 公开了一种高强度高韧性钛合金的制造方法。 高强度,高韧性的钛合金的制造方法包括以下步骤:提供具有马氏体组织的钛合金; 并通过热和机械处理部分和动态地球化具有马氏体结构的所述钛合金的微观结构。 本发明的方法生产具有局部和动态球化微观结构的钛合金,并提供具有优异屈服强度(YS)和均匀伸长率(U.EL)的钛合金。 本发明的方法涉及调整相对于层叠微结构的轧制方向和变形,从而能够使微观结构具有微等轴结构和层叠结构共存。 与常规热处理方法相比,本发明的方法可以生产具有改善的屈服强度和均匀伸长率(YS×U.EL)的钛合金。