Materion has been granted a patent for a beryllium-free copper alloy featuring a yield strength of at least 70 ksi and electrical conductivity of at least 75% IACS. The alloy includes chromium, silicon, silver, titanium, and zirconium, and is produced through cold working, solution annealing, and aging processes. GlobalData’s report on Materion 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 Materion, Ceramic composite laminates was a key innovation area identified from patents. Materion's grant share as of June 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Copper alloy with high strength and conductivity, beryllium-free
The granted patent US12037671B2 introduces a novel copper alloy characterized by specific compositional ranges and mechanical properties. The alloy comprises chromium (0.55 to 0.85 wt %), silicon (0.02 to 0.1 wt %), silver (0.1 to 0.2 wt %), titanium (0.015 to 0.05 wt %), and zirconium (0.02 to 0.06 wt %), with zirconium present as zirconium oxide. The balance of the alloy is copper. Notably, this copper alloy exhibits a 0.2% offset yield strength of at least 70 ksi and an electrical conductivity of at least 75% IACS, while being free from zirconium silicides. Additional claims specify enhanced mechanical properties, including an ultimate tensile strength of at least 80 ksi and a total elongation to break of at least 7%.
Further claims detail the alloy's versatility, indicating that it can be produced without tin or beryllium, and can achieve a formability ratio of 0.0/0.0 in different directions. The patent also encompasses articles formed from this copper alloy, which can take various forms such as billets, plates, strips, foils, wires, rods, tubes, or bars. The specifications highlight the alloy's potential applications in industries requiring materials with high strength and conductivity, while maintaining a lightweight profile.
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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.
