Nippon Steel patented an a+ß type titanium alloy wire with specific composition ranges to achieve desired crystal grain characteristics. The wire must meet strict criteria for Al, Mo, V, Nb, Fe, Cr, Ni, and Mn content, ensuring optimal properties for various applications. GlobalData’s report on Nippon Steel gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Nippon Steel, Vehicle camshaft manufacturing was a key innovation area identified from patents. Nippon Steel's grant share as of May 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.
Titanium alloy wire with specific composition and crystal grain structure
A recently granted patent (Publication Number: US12000021B2) discloses an innovative a+ß type titanium alloy wire with specific composition requirements. The alloy wire must contain Al in the range of 4.50 to 6.75%, with additional elements such as Mo, V, Nb, Fe, Cr, Ni, and Mn meeting specific content criteria outlined in Equation (1). The wire's crystal grain characteristics, including aspect ratio, diameter, and area ratio, are also defined within the claims to ensure high-quality performance. Furthermore, the patent specifies the allowable number of internal defects per unit area in the wire.
Moreover, the patent covers a manufacturing method for the a+ß type titanium alloy wire, detailing the necessary steps to achieve the desired composition and crystal structure. The method involves multiple working processes on a titanium alloy material at specific temperatures and reduction rates, followed by a final heat treatment within a defined temperature and time range. Intermediate annealing is recommended when multiple working steps are involved in the manufacturing process. The patent aims to provide a comprehensive guide for producing a+ß type titanium alloy wire with superior mechanical properties and structural integrity, catering to various industrial applications where high-performance materials are required.
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