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AssigneeCity University of Hong Kong
InventorsTao YANG, Jixun ZHANG
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The present invention relates to an ultra-strong and ductile multifunctional titanium alloy made from two or more metal elements. The titanium alloy has a molecular formula of TiaZrbHfcNbdSne, a, b, c, d, and e represent atomic percentages of the metal elements, falling within the ranges of 45≤a≤55, 36≤b≤43, 3≤c≤6, 3.5≤d≤7.5, and 1.5≤e≤3. The titanium alloy exhibits an initial microstructure characterized by an equiaxed ultra-fine grain (UFG) structure, which is reinforced by hierarchical nanostructures formed during subsequent deformation. By synergistically amalgamating the benefits of superior mechanical performance, pseudoelasticity, and biocompatibility, the alloy is anticipated to emerge as a promising contender for advanced damping devices or shock absorbers within the aerospace and automotive sectors. Additionally, it can be employed as biocompatible implants, including stent grafts or guide wires, in medical applications.
An ultra-strong and ductile multifunctional titanium alloy made from two or more metal elements, wherein the titanium alloy has a molecular formula of TiaZrbHfcNbdSne, wherein a, b, c, d, and e represent atomic percentages of the metal elements, falling within the ranges of 45≤a≤55, 36≤b≤43, 3≤c≤6, 3.5≤d≤7.5, and 1.5≤e≤3, the titanium alloy exhibits an initial microstructure characterized by an equiaxed ultra-fine grain (UFG) structure, wherein the UFG structure is reinforced by hierarchical nanostructures formed during subsequent deformation.
A method for preparing an ultra-strong and ductile multifunctional titanium alloy sheet, comprising the following steps:
Dependencies are inferred from the claim text.