	US 12,221,673 B1
	Aluminum nitride-reinforced aluminum matrix composite (AMC) and preparation method thereof
Mingyi Zhang, Baotou (CN); Ping Gao, Baotou (CN); Wenlong Zhang, Baotou (CN); Zhicheng Shi, Baotou (CN); Wei Wang, Baotou (CN); and Linyu Chen, Baotou (CN)
Assigned to Inner Mongolia Metal Material Research Institute, Baotou (CN)
Filed by Inner Mongolia Metal Material Research Institute, Baotou (CN)
Filed on Oct. 2, 2024, as Appl. No. 18/904,671.
Claims priority of application No. 202410516280.5 (CN), filed on Apr. 28, 2024.
Int. Cl. C22C 1/05 (2023.01); B22F 3/10 (2006.01); B22F 3/105 (2006.01); B22F 3/16 (2006.01); B22F 9/04 (2006.01); C22C 1/02 (2006.01); C22C 1/03 (2006.01); C22C 1/04 (2023.01); C22C 21/00 (2006.01); C22C 21/02 (2006.01); C22C 32/00 (2006.01); C22F 1/04 (2006.01)

CPC C22C 1/05 (2013.01) [B22F 3/10 (2013.01); B22F 3/1017 (2013.01); B22F 3/16 (2013.01); B22F 9/04 (2013.01); C22C 1/026 (2013.01); C22C 1/03 (2013.01); C22C 1/0416 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); C22C 32/0036 (2013.01); C22C 32/0047 (2013.01); C22F 1/04 (2013.01); B22F 2003/1054 (2013.01); B22F 2203/11 (2013.01); B22F 2203/13 (2013.01); B22F 2301/45 (2013.01); B22F 2302/10 (2013.01); B22F 2302/20 (2013.01)]

6 Claims

1. An aluminum nitride-reinforced aluminum matrix composite (AMC), comprising the following components in percentage by mass: 0.6% to 2% of Si, 0.03% to 0.05% of Mg, 0.1% to 0.3% of Nb, 0.05% to 0.1% of Zr, 0.3% to 0.5% of Mo, 0.4% to 0.6% of Zn, 0.03% to 0.06% of Ta, 0.15% to 0.3% of Mn, 0.5% to 0.9% of Cu, 0.05% to 0.1% of Co, 0.001% to 0.004% of In, 0.001% to 0.003% of B, 0.005% to 0.015% of Ge, 0.001% to 0.003% of Ir, 0.05% to 0.15% of a rare earth element, 0.001% to 0.003% of Sn, 0.01% to 0.03% of nano-titanium carbide, 0.01% to 0.03% of nano-chromium nitride, 5% to 10% of an aluminum nitride nanofiber, 3% to 5% of nano-aluminum nitride, 0.08% to 0.12% of meso-tetramethyl-tetra-(p-aminophenyl) calix[4] pyrrole, 0.01% to 0.03% of sodium silicate, 0.02% to 0.05% of 1,3,5-triglycidyl-S-triazinetrione, and Al as a balance;

wherein the rare earth element is a mixture of Sc, Y, Ce, and Pr at a mass ratio of (1-2):1:(1-3):(0.8-1.2); and

the nano-titanium carbide has a particle size of 10 nm to 80 nm; the nano-chromium nitride has a particle size of 20 nm to 90 nm; and the aluminum nitride nanofiber has an average diameter of 100 nm to 300 nm and a length of 1 μm to 3 μm.