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US 9,789,663 B2Granted
Degradable metal composites, methods of manufacture, and uses thereof
AssigneeBaker Hughes Incorporated
InventorsZhihui Zhang, Zhiyue Xu
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Abstract
A metal composite comprises: a first matrix comprising magnesium, a magnesium alloy, or a combination thereof; a second matrix comprising aluminum, an aluminum alloy, steel, a zinc alloy, a tin alloy, or a combination comprising at least one of the foregoing; a corrosion reinforcement material; and a boundary layer disposed between the first matrix and the second matrix; wherein the boundary layer has a thickness of 10 nm to 200 μm.
Claims27
A metal composite comprising:
- a first matrix comprising magnesium, a magnesium alloy, or a combination thereof;
- a second matrix compositionally different from the first matrix and comprising aluminum, an aluminum alloy, steel, a zinc alloy, a tin alloy, or a combination comprising at least one of the foregoing;
- a corrosion reinforcement material dispersed in the first matrix, the second matrix, or both the first matrix and the second matrix;
- the corrosion reinforcement material comprising Fe, Ni, Co, Cu, W, Si, Al, Zn, alloys thereof, or a combination comprising at least one of the foregoing;
- and
- a boundary layer disposed between the first matrix and the second matrix;
- wherein the boundary layer has a thickness of 10 nm to 200 μm and comprises an intermetallic compound formed from the magnesium or magnesium alloy of the first matrix and a metal or metal alloy of the second matrix.
4 more elements
A metal composite comprising:
- 10 to 90 volume percent of first matrix comprising a magnesium alloy based on the total volume of the metal composite;
- 90 to 10 volume percent of a second matrix compositionally different from the first matrix and comprising an aluminum alloy based on the total volume of the metal composite;
- 0.01 to 10 wt % of a corrosion reinforcement material comprising Fe, Ni, Co, Cu, W, Si, Zn, alloys thereof, or a combination comprising at least one of the foregoing, based on the total weight of the metal composite;
- the corrosion reinforcement material dispersed in the first matrix, the second matrix, or both the first matrix and the second matrix and
- a boundary layer disposed between the first matrix and the second matrix;
- the boundary layer having a thickness of 1 micron to 50 microns and comprising an intermetallic compound formed from magnesium or the magnesium alloy of the first matrix and aluminum or the aluminum alloy of the second matrix.
3 more elements
Dependencies are inferred from the claim text.