EP0170963A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Rapidly solifified aluminum-transition metal-silicon alloys
Assignee: Honeywell International Inc
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Filing: 1985-07-22
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Granted: —
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Expires: 2005-07-22
Abstract
Abstract The present invention provides a method for producing an aluminium alloy which includes the step of carbothermically reducing an aluminous material to provide an alloy consisting essentially of the formula Al bal TM d Si e , wherein TM is at least one element selected from the group consisting of Fe, Ni, Co, Ti, V, Zr, Cu and Mn, "d" ranges from about 2-20 wt%, "e" ranges from about 2.1-20wt%, and the balance is aluminum and incidental impurities. The alloy is placed in the molten state and rapidly solidified at a quench rate of at least about 10 6 K/ sec to produce a rapidly solidified alloy composed of a predominately microeutectic and/or microcellular structure.
Inventors
- 👤 Colin Mclean Adam
- 👤 Kenji Okazaki
- 👤 David John Skinner
- 👤 Robert Gilliland Corey
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 18:53
CPC Classifications
C; C22; C22C; C22C45/00; C22C45/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
An aluminum alloy consisting essentially of the formula Al bal T M d Si e wherein "TM" is at least one element selected from the group consisting of Fe, Co, Ti, V, Ni, Zr, Cu, Mg and Mn, "d" ranges from about 2-20 wt%, "e" ranges from about 2.1-20 wt%, and the balance is aluminum plus incidental impurities, said alloy having a microstructure which is at least about 50% composed of a microeutectic and/or microcellular structure.
Claim 2
Dependent Claim
76 words
An aluminum alloy consisting essentially of the formula Al bal T M d Si e wherein "TM" is at least one element selected from the group consisting of Fe, Co, Ti, V, Ni, Zr, Cu, Mg and Mn, "d" ranges from about 2-20 wt%, "e" ranges from about 2.1-20 wt%, and the balance is aluminum plus incidental impurities, said alloy having a microstructure which is at least about 50% composed of a microeutectic and/or microcellular structure.
Claim 3
Dependent Claim
71 words
An alloy as recited in claim 1, said alloy consisting essentially of the formula Al bal Fe a Si b T c , wherein "T" is one or more elements selected from the group consisting of Ni, Co, Ti, V, Zr, Cu and Mn, "a" ranges from about 2-20 wt%, "b" ranges from about 2.1-20 wt %, "c" ranges from about 0.2-10 wt%, and the balance is aluminum and incidental impurities.
Claim 4
Dependent Claim
48 words
An alloy as recited in claim 2, wherein said alloy is capable of providing a ductility of at least about 5% elongation to fracture and a tensile strength of at least about 350 MPa when particles of said alloy are consolidated together to form an article of manufacture.
Claim 5
Independent Claim
140 words
A method for producing aluminum alloy, comprising the steps of: (a) a carbothermically reducing an aluminous material containing oxides of Al, Si, and transition metals to provide a reduced material; (b) producing from said reduced material an alloy consisting essentially of the formula Al bal TM d S i e , wherein "TM" is at least one element selected from the group consisting of Co, Ti, V, Ni, Zr, Cu, Mg and Mn, "d" ranges from about 2-20 wt%, "e" ranges from about 2.1-20 wt% and the balance is aluminum and incidental impurities; (c) placing said alloy in the molten state; and (d) rapidly solidifying said alloy at a quench rate of at least about 10 6 K/sec to produce a rapidly solidified alloy in which the microstructure is at least about 50% composed of a microeutectic and/or microcellular structure.
Claim 6
Independent Claim
140 words
A method for producing aluminum alloy, comprising the steps of: (a) a carbothermically reducing an aluminous material containing oxides of Al, Si, and transition metals to provide a reduced material; (b) producing from said reduced material an alloy consisting essentially of the formula Al bal TM d S i e , wherein "TM" is at least one element selected from the group consisting of Co, Ti, V, Ni, Zr, Cu, Mg and Mn, "d" ranges from about 2-20 wt%, "e" ranges from about 2.1-20 wt% and the balance is aluminum and incidental impurities; (c) placing said alloy in the molten state; and (d) rapidly solidifying said alloy at a quench rate of at least about 10 6 K/sec to produce a rapidly solidified alloy in which the microstructure is at least about 50% composed of a microeutectic and/or microcellular structure.
Claim 7
Dependent Claim
28 words
A method as recited in claim 4, wherein said alloy is produced by adding selected amounts of Al, Si and TM group elements to said carbothermically reduced material.
Claim 8
Dependent Claim
72 words
A method as recited in claim 4, in which said alloy consists essentially of the formula Al bal Fe a Si b T c , wherein "T" is one or more elements selected from the group consisting of Ni, Co, Ti, V, Zr, Cu and Mn, "a" ranges from about 2-20 wt%, "b" ranges from about 2.1-20 wt%, "c" ranges from about 0.2-10 wt%, and the balance is aluminum and incidental impurities.
Claim 9
Dependent Claim
29 words
A method as recited in claim 6, wherein said alloy is produced by adding selected amounts of A1, Fe, Si and T group elements to said carbothermically reduced material.
Claim 10
Dependent Claim
13 words
A method as recited in claim 4, wherein said aluminous material is bauxite.
References Cited (Backward Citations)
No citation records indexed.
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