US 12,344,921 B2
Tungsten tetraboride composite matrix and uses thereof
Richard B. Kaner, Pacific Palisades, CA (US); Christopher L. Turner, Lancaster, CA (US); Madapusi K. Keshavan, Oceanside, CA (US); and Jack Kavanaugh, Los Angeles, CA (US)
Assigned to The Regents of the University of California, Oakland, CA (US); and SuperMetalix, Inc., Los Angeles, CA (US)
Filed by The Regents of the University of California, Oakland, CA (US); and SuperMetalix, Inc., Los Angeles, CA (US)
Filed on Dec. 7, 2023, as Appl. No. 18/532,796.
Application 18/532,796 is a continuation of application No. 18/082,378, filed on Dec. 15, 2022, granted, now 11,920,223.
Application 18/082,378 is a continuation of application No. 17/526,726, filed on Nov. 15, 2021, abandoned.
Application 17/526,726 is a continuation of application No. 15/888,826, filed on Feb. 5, 2018, granted, now 11,174,538, issued on Nov. 16, 2021.
Claims priority of provisional application 62/455,340, filed on Feb. 6, 2017.
Prior Publication US 2024/0254598 A1, Aug. 1, 2024
Int. Cl. C22C 29/14 (2006.01); B24D 18/00 (2006.01); C22C 1/051 (2023.01); C22C 1/10 (2023.01); C22C 29/08 (2006.01); C22C 32/00 (2006.01); C22C 33/02 (2006.01)
CPC C22C 29/14 (2013.01) [B24D 18/0009 (2013.01); C22C 1/051 (2013.01); C22C 1/1084 (2013.01); C22C 29/08 (2013.01); C22C 32/0005 (2013.01); C22C 33/0292 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A tool or tool component, wherein the tool or tool component comprises a composite material, wherein the composite material comprises:
(a) a first composition comprising a first formula

OG Complex Work Unit Chemistry
wherein:
W is tungsten (W);
X is one of boron (B), beryllium (Be) and silicon (Si);
M is at least one of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), zirconium (Zr), niobium (Nb), molybdenum (Mo), ruthenium (Ru), hafnium (Hf), tantalum (Ta), rhenium (Re), osmium (Os), iridium (Ir), lithium (Li), scandium (Sc), yttrium (Y) or aluminum (Al);
x is from 0.001 to 0.999;
y is at least 4.0;
n is from 0.01 to 0.999; and
(b) a tungsten carbide of formula (wc0.99-1.05)p, wherein p is from 0.01 to 0.99; and
(c) a second composition comprising a second formula Tq,
wherein:
T comprises an alloy comprising at least one group 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, or 14 element of the Periodic Table of Elements;
q is from 0.01 to 0.99;
wherein the sum of p, q, and n is 1;
wherein p, q and n are weight percentage ranges;
wherein the composite material has hardness of about 1 to about 40 GPa as determined by Vickers hardness under a force of 294N (HV30); and
wherein the composite material has a fracture toughness of about 1 to about 25 MPa·m1/2 as determined using the Palmquist method.