US 11,987,865 B2
High hardness and temperature-resistant alloy and article comprising the same
Jien-Wei Yeh, Hsinchu (TW)
Assigned to NATIONAL TSING HUA UNIVERSITY, Hsinchu (TW)
Filed by National Tsing Hua University, Hsinchu (TW)
Filed on Jun. 18, 2021, as Appl. No. 17/351,233.
Claims priority of application No. 110102923 (TW), filed on Jan. 27, 2021.
Prior Publication US 2023/0127003 A1, Apr. 27, 2023
Int. Cl. C22C 27/06 (2006.01)
CPC C22C 27/06 (2013.01) 2 Claims
OG exemplary drawing
 
1. A multi-element alloy, having a specific property of hardness in a range between HV250 and HV520 in 900 degrees Celsius, and consisting of:
15 to 38 atomic percent Co;
38 to 56 atomic percent Cr;
20 to 29 atomic percent Ni;
6 to 13 atomic percent C;
0.1 to 8 atomic percent Mo;
1 to 3 atomic percent W;
at most 10 atomic percent M;
wherein M comprises at least one additive element selected from a group consisting of Pb, Sn, Ge, Si, Zn, Sb, P, B, Mg, Mn, V, Nb, Ti, Zr, Y, La, Ce, Al, Ta, Cu, and Fe.