Composite ceramic composition and method of forming same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C04B-035/58
C04B-035/563
C04B-035/626
C04B-035/645
C09K-005/14
H01B-001/02
H01B-001/04
출원번호
US-0529847
(2015-11-23)
등록번호
US-10252946
(2019-04-09)
국제출원번호
PCT/US2015/062120
(2015-11-23)
국제공개번호
WO2016/085843
(2016-06-02)
발명자
/ 주소
Conway, Bethany Rose
Zimmermann, James William
출원인 / 주소
Corning Incorporated
인용정보
피인용 횟수 :
0인용 특허 :
19
초록▼
A composite ceramic composition including a boron carbide phase and a method of forming the same. The composite ceramic composition includes a tungsten boride phase, a transition metal boride phase. The composite ceramic composition may also include a carbon disposed in solid solution with at least
A composite ceramic composition including a boron carbide phase and a method of forming the same. The composite ceramic composition includes a tungsten boride phase, a transition metal boride phase. The composite ceramic composition may also include a carbon disposed in solid solution with at least the tungsten boride phase and the transition metal boride phase. The transition metal boride phase may include a boride of at least one metal chosen from Cr, Nb, and Zr.
대표청구항▼
1. A composite ceramic composition comprising: a boron carbide phase;a tungsten boride phase; anda transition metal boride phase comprising a boride of at least one metal chosen from Cr, Nb, and Zr, wherein the composition comprises a boron to carbon molar ratio ranging from about 2:1 to about 8:1.
1. A composite ceramic composition comprising: a boron carbide phase;a tungsten boride phase; anda transition metal boride phase comprising a boride of at least one metal chosen from Cr, Nb, and Zr, wherein the composition comprises a boron to carbon molar ratio ranging from about 2:1 to about 8:1. 2. The composition of claim 1, wherein the transition metal boride phase comprises borides of at least two metals chosen from Cr, Nb, Ti, and Zr. 3. The composition of claim 1, further comprising carbon disposed in solid solution with at least one of the boron carbide phase, the tungsten boride phase, and the transition metal boride phase. 4. The composition of claim 1, wherein the transition metal boride phase comprises at least one phase chosen from a CrB2 phase, a Ti0.5Zr0.5B2 phase, and an NbTiB4 phase. 5. The composition of claim 1, wherein the boron carbide phase comprises at least one phase chosen from a B12(BC2) phase and a B11.72C3.28 phase. 6. The composition of claim 1, wherein the tungsten boride phase comprises at least one phase chosen from a W2B5 phase and a WB2 phase. 7. The composition of claim 1, wherein the composition comprises a transition metal to carbon molar ratio of from about 0.5:1 to about 4:1. 8. The composition of claim 1, wherein the composition has: a Vickers hardness ranging from about 14 to about 30 GPa at 1 kgf; anda toughness ranging from about 3 to about 10 MPa*m0.5. 9. The composition of claim 1, wherein the composition has a wear resistance factor ranging from about 14 to about 30 (KIC3/4*H1/2). 10. The composition of claim 3, wherein the carbon disposed in solid solution comprises graphite. 11. The composition of claim 3, wherein the carbon disposed in solid solution is free of graphite. 12. The composition of claim 1, wherein the transition metal boride phase comprises a solid solution of chromium boride and titanium boride. 13. The composition of claim 1, wherein the composition has an electrical conductivity ranging from about 100 to about 300 S/m. 14. The composition of claim 1, wherein the composition has a thermal conductivity ranging from 5 to 50 W/(m*K). 15. The composition of claim 1, further comprising: a solid solution comprising titanium, tungsten, boron, carbon, and compounds thereof, and at least one metal chosen from niobium, chromium, and zirconium. 16. The composition of claim 15, wherein the carbon is disposed in solid solution with at least one of the boron carbide phase, the tungsten boride phase, and the transition metal boride phase. 17. A composite ceramic composition comprising: about 3.7 to about 9.3 mol % Ti;about 4.9 to about 12.3 mol % W;about 59.0 to about 71.9 mol % B;about 10.1 mol % to about 16.7 mol % C; andat least one additional component chosen from Nb, Cr, and Zr,wherein a total amount of the Ti, W, Nb, Cr, B, Zr, and C is at least 95 mol %. 18. A composite ceramic composition comprising: about 3.7 to about 9.3 mol % Ti;about 4.9 to about 12.3 mol % W;about 59.0 to about 71.9 mol % B;about 10.1 mol % to about 16.7 mol % C; andat least one additional component chosen from: about 2.5 mol % Nb;about 10.3 mol % Cr; andabout 2.5 mol % Zr,wherein a total amount of the Ti, W, Nb, Cr, B, Zr, and C is at least 95 mol %. 19. The composition of claim 2, wherein a total amount of the Ti, W, Nb, Cr, B, Zr, and C is at least 95 mol %.
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이 특허에 인용된 특허 (19)
Hirao,Kiyoshi; Sakaguchi,Shuji; Yamauchi,Yukihiko; Kanzaki,Shuzo; Yamada,Suzuya, Boron carbide based sintered compact and method for preparation thereof.
Hirao,Kiyoshi; Sakaguchi,Shuji; Yamauchi,Yukihiko; Kanzaki,Shuzo; Yamada,Suzuya, Boron carbide based sintered compact and method for preparation thereof.
Khazai Bijan (Midland MI) Moore William G. (Midland MI), Composition and method for producing boron carbide/titanium diboride composite ceramic powders using a boron carbide sub.
Khazai Bijan (Midland MI) Moore William G. (Midland MI), Composition and method for producing boron carbide/titanium diboride composite ceramic powders using a boron carbide sub.
Mehrotra Pankaj K. (Greensburg PA) Ahuja Deepak P. (Greensburg PA) Brooks Holly S. (Morges CHX), Group IVB boride based articles, articles, cutting tools, methods of making, and method of machining group IVB based mat.
Mehrotra Pankai K. (Greensburg PA) Ahuja Deepak P. (Greensburg PA) Brooks Holly S. (Morges CHX), Group IVB boride based cutting tools for machining group IVB based materials.
Dumm, Timothy; Lucek, John William; Petreanu, John; Davidson, Marc Gary; Hofer, Bruce Wayne, Process equipment wear surfaces of extended resistance and methods for their manufacture.
Sigl Lorenz (Lechaschau ATX) Thaler Hubert (Kempten DEX) Schwetz Karl-Alexander (Sulzberg DEX), Process for producing bodies based on boron carbide by pressureless sintering.
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