B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/04 (2006.01) B24D 99/00 (2010.01) B22F 7/06 (2006.01) B24D 3/06 (2006.01) C22C 26/00 (2006.01) E21B 10/08 (2006.01) E21B 10/50 (2006.01) E21B 10/52 (2006.01) E21B 10/56 (2006.01)
Patent
CA 2332603
Composite constructions of this invention comprise an ordered microstructure made up of multiple structural units that can be the same or different, and that comprise at least a first structural phase and a second structural phase. The first structural phase comprises a hard material that is selected from the group consisting of cermet materials, PCD, PCBN and mixtures thereof. The second structural phase is in contact with the first phase and comprises a material that is different than that selected to form the first structural phase. Additionally, the second structural phase is in contact with at least a portion of the first structural phase. Composite constructions of this invention can also have a multi-layer structures comprising two or more layers, wherein at least one of the layers comprises a composite construction having an ordered microstructure made up of the multiple structural units described above.
Cawthorne Chris
Fang Zhigang
Huang Sujian J.
Rai Ghanshyam
Siracki Michael A.
Oyen Wiggs Green & Mutala Llp
Smith International Inc.
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