Binder compositions of tungsten tetraboride and abrasive methods thereof

Patent metadata

Field	Value
Publication number	US-11033998-B2
Application number	US-201715415553-A
Country	US
Kind code	B2
Filing date	Jan 25, 2017
Priority date	Jan 25, 2016
Publication date	Jun 15, 2021
Grant date	Jun 15, 2021

Abstract

Disclosed herein, in certain embodiments, are composite materials, methods, tools and abrasive materials comprising a tungsten-based metal composition and an alloy. In some cases, the composite materials or material are resistant to oxidation.

First claim

What is claimed is:

1. A composite material, comprising:
(a) a first composition comprising a first formula (W 1-x M x X y ) n ,
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) and aluminum (Al);
x is from 0.001 to 0.999;
y is at least 4.0;
n is from 0.5 to 0.999; and

(b) a second composition comprising a second formula T q ,
wherein:
T comprises an alloy which is a combination of four or more group 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, or 14 transition metal elements in the Periodic Table of Elements;
q is from 0.001 to 0.5;
wherein the sum of q and n is 1,
wherein the average Vicker's hardness of the composite material is about 10 to about 30 GPa as measured under a force of 9.8 N (1 kgf), and
wherein q and n are weight percentages.

2. The composite material according to claim 1 , wherein X is B.

3. The composite material according to claim 1 , wherein X is Be.

4. The composite material according to claim 1 , wherein X is Si.

5. The composite material according to claim 1 , wherein M comprises:
at least one of Re, Ta, Mn, Cr, Hf, Ta, Zr, and Y;
at least one of Re, Ta, Mn, and Cr;
at least one of Ta, Mn, and Cr; or
at least one of Hf, Zr, and Y.

6. The composite material according to claim 1 , wherein M comprises two or more elements selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Ru, Hf, Ta, Re, Os, Ir, Li, Sc, Y, and Al.

7. The composite material according to claim 1 , wherein M is selected from Re, Ta, Mn, Cr, Hf, Zr, Y, Ta and Mn, or Ta and Cr.

8. The composite material according to claim 1 , wherein M is selected from Re, Ta, Mn, Cr, Ta and Mn, or Ta and Cr.

9. The composite material according to claim 1 , wherein M comprises Ta and an element selected from Mn or Cr.

10. The composite material according to claim 1 , wherein x is from 0.001 to 0.7, from 0.001 to 0.4, or from 0.001 to 0.2.

11. The composite material according to claim 1 , wherein X is B, M is Re, and x is at least 0.001 and less than 0.6.

12. The composite material according to claim 1 , wherein X is B, M is Ta, and x is at least 0.001 and less than 0.6.

13. The composite material according to claim 12 , wherein x is about 0.02.

14. The composite material according to claim 1 , wherein X is B, M is Mn, and x is at least 0.001 and less than 0.6.

15. The composite material according to claim 14 , wherein x is about 0.04.

16. The composite material according to claim 1 , wherein X is B, M is Cr, and x is at least 0.001 and less than 0.6.

17. The composite material according to claim 1 , wherein X is B, M comprises Ta and Mn, y is at least 4, and x is at least 0.001 and less than 0.4.

18. The composite material according to claim 17 , wherein a composite material comprises W 0.94 Ta 0.02 Mn 0.04 B 4 .

19. The composite material according to claim 1 , wherein X is B, M comprises Ta and Cr, y is at least 4, and x is at least 0.001 and less than 0.2.

20. The composite material according to claim 19 , wherein a composite material comprises W 0.94 Ta 0.02 Cr 0.05 B 4 .

21. The composite material according to claim 1 , wherein T is an alloy comprising at least one Group 8, 9, 10, 11, 12, 13 or 14 element in the Periodic Table of Elements.

22. The composite material according to claim 1 , wherein T is an alloy comprising five or more Group 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, or 14 transition metal elements in the Periodic Table of Elements.

23. The composite material according to claim 1 , wherein T is an alloy comprising:
at least one element selected from Cu, Ni, Co, Fe, Si, Al and Ti, or any combinations thereof; or
at least one element selected from Co, Ni, Fe, Si, Ti, W, Sn, Ta, or any combinations thereof.

24. The composite material according to claim 1 , wherein T is an alloy comprising Co.

25. The composite material according to claim 1 , wherein T is an alloy comprising Fe.

26. The composite material according to claim 1 , wherein T is an alloy comprising Ni.

27. The composite material according to claim 1 , wherein T is an alloy comprising Sn.

28. The composite material according to claim 1 , wherein T is an alloy comprising from about 40 wt. % to about 60 wt. % of Cu, from about 10 wt. % to about 20 wt. % of Co, from 0 wt. % to about 7 wt. % of Sn, from about 5 wt. % to about 15 wt. % of Ni, or from about 10 wt. % to about 20 wt. % W.

29. The composite material according to claim 1 , wherein T is an alloy comprising about 50 wt. % of Cu, about 20 wt. % of Co, about 5 wt. % of Sn, about 10 wt. % of Ni, or about 15 wt. % of W.

30. The composite material according to claim 1 , wherein q is selected from 0.01 to 0.5 or 0.1 to 0.3.

31. The composite material according to claim 30 , wherein q is about 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, or 0.5.

32. The composite material according to claim 1 , wherein n is about 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45 or 0.5.

33. The composite material according to claim 1 , wherein the composite material forms a solid solution.

34. The composite material according to claim 1 , wherein the composite material is resistant to oxidation.

35. The composite material according to claim 1 , wherein the composite material is a densified composite material.

36. A tool comprising a surface or body for cutting or abrading, said surface or body being at least a surface of a hard material, wherein said hard material comprises a composite material of claim 1 .

37. A method of making the composite material according to claim 1 , provided that the first composition and the second composition are mixed and pressed under force to produce a green pellet, which is then sintered in a high temperature vacuum furnace for some time to produce a fully densified tungsten tetraboride (WB 4 ) composite with binder.

38. A method of making the composite material according to claim 1 , provided that the first composition and the second composition are i) mixed and loaded into a graphite die to undergo a hydraulic compaction, and ii) are then loaded into a Spark Plasma Sintering furnace (SPS), a high-temperature high-pressure furnace (HTHP) or a hot-isostatic press (HIP) to produce a fully densified tungsten tetraboride (WB 4 ) composite with binder.

Assignees

• Supermetalix Inc
• Univ California

Inventors

• Kavanaugh Jack
• Kaner Richard B
• Turner Chris
• Akopov Georgiy

Classifications

• C22C32/0089

  with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass · CPC title

• C22C32/0078

  only silicides · CPC title

• C22C32/0073

  only borides · CPC title

• B22F2999/00

  Aspects linked to processes or compositions used in powder metallurgy · CPC title

• B22F2998/10

  Processes characterised by the sequence of their steps · CPC title