ATI has patented a method for producing nickel-based alloys with enhanced corrosion resistance, stress-corrosion cracking resistance, and impact strength. The alloys contain specific compositions of Ni, Cr, Fe, Mo, Co, Cu, Mn, C, N, Si, Ti, Nb, Al, and B. The method involves homogenizing, working, hot rolling, annealing, and cooling the alloy to achieve desired properties. GlobalData’s report on ATI 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 ATI, AES Protocols was a key innovation area identified from patents. ATI's grant share as of May 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
Nickel-based alloy with improved corrosion resistance, impact strength
A recently granted patent (Publication Number: US12000023B2) discloses a method for producing a nickel-based alloy with specific composition ranges to achieve desired mechanical and corrosion-resistant properties. The method involves homogenizing an ingot of the alloy, working it into a slab or billet, hot rolling to form a plate or bar, annealing, and cooling the product. The alloy composition includes nickel, chromium, iron, cobalt, and molybdenum within defined weight percentages. The resulting alloy exhibits properties such as high Charpy impact energy, critical pitting temperature, low intergranular corrosion rate, and resistance to stress corrosion cracking, meeting industry standards set by ASTM.
Furthermore, the patent details variations in the alloy composition within specific weight percentage ranges to optimize the alloy's performance characteristics. The method includes additional elements like copper and manganese in controlled amounts to enhance the alloy's properties. Post-cladding heat treatment is also introduced as a step to further improve the alloy's mechanical and corrosion resistance properties. The post-cladding heat-treated alloy demonstrates superior Charpy impact energy, critical pitting temperature, intergranular corrosion rate, and resistance to stress corrosion cracking, meeting stringent ASTM standards. The patent outlines specific temperature ranges and stages for the post-cladding heat treatment process to achieve the desired alloy properties effectively.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
