Metal matrix composites with intermetallic reinforcements
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C22C-00104
B22F-00312
출원번호
US-0460312
(2003-06-13)
발명자
/ 주소
Murty, Gollapudi S.
Joseph, Brian E.
출원인 / 주소
Touchstone Research Laboratory, Ltd.
대리인 / 주소
McGuireWoods LLP
인용정보
피인용 횟수 :
1인용 특허 :
11
초록▼
A discontinuously reinforced metal composite, having a metal matrix and a plurality of intermetallic particles comprising at least two different metals, the intermetallic particles having a size ranging from 1 μm to about 10 μm and being dispersed within the metal matrix in an amount of at least 20%
A discontinuously reinforced metal composite, having a metal matrix and a plurality of intermetallic particles comprising at least two different metals, the intermetallic particles having a size ranging from 1 μm to about 10 μm and being dispersed within the metal matrix in an amount of at least 20% by volume, wherein the intermetallic particles are particles having at least one same metal as the metal in the metal matrix.
대표청구항▼
1. A discontinuously reinforced metal composite, comprising:a metal matrix; and a plurality of intermetallic particles having a size ranging from 1 μm to about 20 μm dispersed within the metal matrix in an amount of at least 20% by volume, wherein the intermetallic particles consist essentially of a
1. A discontinuously reinforced metal composite, comprising:a metal matrix; and a plurality of intermetallic particles having a size ranging from 1 μm to about 20 μm dispersed within the metal matrix in an amount of at least 20% by volume, wherein the intermetallic particles consist essentially of a first metal that is the same as the metal in the metal matrix, and a second metal that is different than the first metal. 2. The discontinuously reinforced metal composite of claim 1, wherein the metal matrix comprises aluminum and wherein the first metal comprises aluminum.3. The discontinuously reinforced metal composite of claim 1, wherein the plurality of intermetallic particles are FeAl3.4. The discontinuously reinforced metal composite of claim 1, wherein the intermetallic particles are dispersed within the metal matrix in an amount ranging from at least 20% by volume to about 50% by volume.5. The discontinuously reinforced metal composite of claim 1, wherein the metal matrix is selected from the group consisting of aluminum, titanium, niobium, and magnesium, or an alloy thereof.6. The discontinuously reinforced metal composite of claim 1, wherein the second metal is selected from the group consisting of aluminum, titanium, niobium, magnesium, iron, chromium, vanadium and zirconium.7. A method for processing metal matrix composites, comprising atomizing a molten alloy of at least two different metals to form a metal matrix to produce powder particles containing a metal matrix and intermetallic particles, wherein the intermetallic particles are dispersed in the metal matrix in an amount of at least 20% by volume.8. The method of processing of claim 7, wherein the intermetallic particles are dispersed in the metal matrix in an amount ranging from about 20% by volume to about 70% by volume.9. The method of processing of claim 7, wherein the intermetallic particles are dispersed in the metal matrix in an amount ranging from about 30% by volume to about 70% by volume.10. The method of processing of claim 7, wherein a size of the intermetallic particles are below about 20 μm.11. The method of processing of claim 7, further comprising post processing of the powder particles by hot pressing and extrusion.12. The method of processing of claim 7, further comprising post processing of the powder particles by hot pressing and rolling.13. The method of processing of claim 7, further comprising post processing of the powder particles by hot isostatic pressing.14. A method for processing metal matrix composites, comprising atomizing a molten alloy of at least two different metals to form a metal matrix to produce powder particles containing a metal matrix and intermetallic particles with a size ranging from 1 μm to about 20 μm.15. The method of processing of claim 14, wherein the size of intermetallic particles ranges from about 1 μm to about 10 μm.16. The method of processing of claim 14, further comprising post processing of the powder particles by hot pressing and extrusion.17. The method of processing of claim 14, further comprising post processing of the powder particles by hot pressing and rolling.18. The method of processing of claim 14, further comprising post processing of the powder particles by hot isostatic pressing.19. The discontinuously reinforced metal composite of claim 1, wherein the size of the intermetallic particles range from about 1 μm to about 10 μm.
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이 특허에 인용된 특허 (11)
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Ray Ranjan (Waltham MA) Polk Donald E. (Washington DC) Giessen Bill C. (Cambridge MA), Aluminum-transition metal alloys made using rapidly solidified powers and method.
Biner Suleyman B. ; Sordelet Daniel J. ; Lograsso Barbara K. ; Anderson Iver E., Composite material reinforced with atomized quasicrystalline particles and method of making same.
Anderson Iver E. (Ames IA) Lograsso Barbara K. (Ames IA) Ellis Timothy W. (Ames IA), Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions.
Hildeman Gregory J. (Murrysville PA) Kuli ; Jr. John C. (Saxonburg PA) Vivola Leo A. (New Kensington PA), Method for producing aluminum powder alloy products having improved strength properties.
Brupbacher John M. (Baltimore MD) Christodoulou Leontios (Baltimore MD) Nagle Dennis C. (Ellicott City MD), Rapid solidification of metal-second phase composites.
Jones Howard (Sheffield GB2) Tsakiropoulos Panayiotis (Petersfield GB2) Pratt Charles R. (Neath GBX) Gardiner Robert W. (Farnham GB2) Restall ; deceased James E. (late of Camberley GB2 by Janet E. Re, Rapid solidification route aluminium alloys containing chromium.
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