US 12,337,584 B2
Hardfaced products for abrasive applications and processes for making the same
Robin K. Churchill, Aloha, OR (US)
Assigned to ESCO GROUP LLC, Portland, OR (US)
Appl. No. 16/302,080
Filed by ESCO Group LLC, Portland, OR (US)
PCT Filed Jul. 19, 2018, PCT No. PCT/US2018/042829
§ 371(c)(1), (2) Date Nov. 15, 2018,
PCT Pub. No. WO2019/018605, PCT Pub. Date Jan. 24, 2019.
Claims priority of provisional application 62/535,099, filed on Jul. 20, 2017.
Prior Publication US 2020/0270727 A1, Aug. 27, 2020
Int. Cl. B22F 5/00 (2006.01); B22F 7/08 (2006.01); B32B 7/08 (2019.01); B32B 15/18 (2006.01); C22C 9/05 (2006.01); C22C 29/06 (2006.01); E02F 9/28 (2006.01); C22C 1/04 (2023.01)
CPC B32B 7/08 (2013.01) [B22F 5/00 (2013.01); B22F 7/08 (2013.01); B32B 15/18 (2013.01); C22C 9/05 (2013.01); C22C 29/062 (2013.01); E02F 9/285 (2013.01); B22F 2005/001 (2013.01); B22F 2301/10 (2013.01); B22F 2302/10 (2013.01); C22C 1/0475 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A hardfaced product comprising
a substrate and
a hard composite material bonded to the substrate, wherein the composite material includes boron carbide as a wear-resistant material and a matrix alloy including approximately 34% by weight manganese and approximately 66% by weight copper with any other additional element being 0.01% to 2% by weight.