Norsk Hydro has filed a patent for a high-temperature stable Al-Si-Cu casting alloy with added Sn to enhance mechanical properties. The alloy, suitable for gravity die casting, contains specific weight percentages of Si, Cu, Sn, Ti, and other elements to improve ageing kinetics. GlobalData’s report on Norsk Hydro 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 Norsk Hydro, Cancer treatment biomarkers was a key innovation area identified from patents. Norsk Hydro's grant share as of January 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.

High temperature stability al-si-cu casting alloy with sn

Source: United States Patent and Trademark Office (USPTO). Credit: Norsk Hydro ASA

The patent application (Publication Number: US20240018631A1) discloses an innovative aluminium alloy composition designed for improved mechanical properties. The alloy includes specific weight percentages of Mg, Si, Cu, Mn, Fe, Ti, Zn, Sn, Sr, Zr, Hf, Cr, Mo, V, W, and Nb, with the balance being aluminium and up to 0.05 wt. % unavoidable impurities. Notably, the alloy's composition aims to enhance the material's performance in various applications.

Furthermore, the patent application details a method for producing aluminium castings using the aforementioned alloy. The method involves specific steps such as casting the alloy, degassing to remove hydrogen, adding a grain refiner, solution heat treatment, water quenching, and ageing at specific temperature ranges. The disclosed method aims to optimize the mechanical properties of the aluminium casting, with precise parameters for each step outlined in the claims. Overall, the patent application showcases a novel aluminium alloy composition and a method for producing high-quality aluminium castings with improved performance characteristics.

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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