COMPOSITE EMP SHIELDING OF BULK-SOLIDIFYING AMORPHOUS ALLOYS AND METHOD OF MAKING SAME
First Claim
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1. An electromagnetic pulse and high power microwave shield comprising an at least partial enclosure having inner and outer surfaces, wherein the enclosure is formed of a composite material comprising at least one layer of a bulk-solidifying amorphous alloy and at least one highly conductive layer, and wherein the bulk-solidifying amorphous alloy layer is thicker than the highly conductive layer.
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Abstract
An electromagnetic pulse (EMP) and high power microwave (HPM) shielding enclosure made of bulk-solidifying amorphous alloys and composites with high hardness, corrosion resistance, high strength-to-weight ratio and high conductivity, and a method of making such shielding enclosures is provided.
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32 Claims
- 1. An electromagnetic pulse and high power microwave shield comprising an at least partial enclosure having inner and outer surfaces, wherein the enclosure is formed of a composite material comprising at least one layer of a bulk-solidifying amorphous alloy and at least one highly conductive layer, and wherein the bulk-solidifying amorphous alloy layer is thicker than the highly conductive layer.
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12. A method of manufacturing electromagnetic pulse and high power microwave shield enclosure comprising:
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providing a feed stock of a molten bulk-solidifying amorphous alloy at a temperature above the melting temperature of the bulk-solidifying amorphous alloy;
introducing the molten bulk-solidifying amorphous alloy to a die cavity;
quenching the molten bulk-solidifying amorphous alloy to form an enclosure at a cooling rate sufficiently fast such that the alloy maintains a substantially amorphous atomic structure; and
coating at least one surface of the enclosure with a layer of a highly conductive material. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of manufacturing electromagnetic pulse and high power microwave shield enclosure comprising:
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providing a feedstock of a bulk solidifying amorphous alloy in an amorphous phase;
heating the feedstock to a temperature between the melting temperature and the glass transition temperature of the bulk solidifying amorphous alloy;
shaping the heated feedstock into an enclosure;
cooling the shaped enclosure; and
coating at least one surface of the enclosure with a layer of a highly conductive material. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification