US 12,252,764 B2
Composite-strengthened heat-resistant and wear-resistant aluminum alloy and preparation method thereof
Hongming Wang, Jiangsu (CN); Wenxue Su, Jiangsu (CN); Guirong Li, Jiangsu (CN); and Yujie Liu, Jiangsu (CN)
Assigned to Jiangsu University, Jiangsu (CN)
Appl. No. 18/279,588
Filed by Jiangsu University, Jiangsu (CN)
PCT Filed Mar. 9, 2023, PCT No. PCT/CN2023/080540
§ 371(c)(1), (2) Date Aug. 30, 2023,
PCT Pub. No. WO2024/001288, PCT Pub. Date Jan. 4, 2024.
Claims priority of application No. 202210756363.2 (CN), filed on Jun. 30, 2022.
Prior Publication US 2025/0019801 A1, Jan. 16, 2025
Int. Cl. C22C 21/02 (2006.01); C22C 1/02 (2006.01); C22C 1/06 (2006.01); C22F 1/043 (2006.01)
CPC C22C 21/02 (2013.01) [C22C 1/026 (2013.01); C22C 1/06 (2013.01); C22F 1/043 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A composite-strengthened heat-resistant and wear-resistant aluminum alloy, comprising an Al—Si—Cu—Mg alloy matrix, microalloying elements Ti, Zr, Hf, and V added to the alloy matrix, and further comprising a high-entropy alloy powder Al1.5Ti0.5Zr0.5V0.5Hf0.5 blown into a melt of the aluminum alloy for composite strengthening; wherein the Al—Si—Cu—Mg alloy matrix comprises the following elements in mass percentages: Si: 9.5% to 12.0%, Cu: 2.0% to 4.0%, Mg: 0.6% to 0.8%, and Al: the balance; the microalloying elements Ti, Zr, Hf, and V are added in mass percentages as follows: Ti: 0.05% to 0.25%, Zr: 0.05% to 0.25%, Hf: 0.01% to 0.05%, and V: 0.08% to 0.25%: and an amount of the high-entropy alloy powder added is 1 wt. % to 3 wt. % of an amount of the aluminum alloy matrix.