United States of America as represented by the Administrator of the National Aeronautics and Space Administration
대리인 / 주소
Riley, Jennifer L.
인용정보
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18
초록▼
Methods of building Z-graded radiation shielding and covers. In one aspect, the method includes: providing a substrate surface having about medium Z-grade; plasma spraying a first metal having higher Z-grade than the substrate surface; and infusing a polymer layer to form a laminate. In another aspe
Methods of building Z-graded radiation shielding and covers. In one aspect, the method includes: providing a substrate surface having about medium Z-grade; plasma spraying a first metal having higher Z-grade than the substrate surface; and infusing a polymer layer to form a laminate. In another aspect, the method includes electro/electroless plating a first metal having higher Z-grade than the substrate surface. In other aspects, the methods include improving an existing electronics enclosure to build a Z-graded radiation shield by applying a temperature controller to at least part of the enclosure and affixing at least one layer of a first metal having higher Z-grade from the enclosure.
대표청구항▼
1. A method of building a Z-graded laminate for the production of radiation shielding covers or structures comprising: (a) providing a substrate surface having a Z-grade;(b) forming a layered material by plasma spraying a first metal onto the substrate surface, wherein the first metal has a higher Z
1. A method of building a Z-graded laminate for the production of radiation shielding covers or structures comprising: (a) providing a substrate surface having a Z-grade;(b) forming a layered material by plasma spraying a first metal onto the substrate surface, wherein the first metal has a higher Z-grade than the substrate surface; and(c) infusing a polymer layer into the layered material to form the Z-graded laminate. 2. The method of claim 1, wherein the radiation shielding cover or structure is selected from the group consisting of slabs, thermal barriers, vaults, spot enclosures, and PCI card chassis structures. 3. The method of claim 1, wherein the plasma spraying step comprises depositing the first metal by low-pressure radio frequency plasma spray technique. 4. The method of claim 1, wherein the substrate surface comprises metal, glass or graphite fibers. 5. The method of claim 4, wherein the substrate surface comprises glass or graphite fibers. 6. The method of claim 1, wherein the first metal comprises a compound selected from the group consisting of tantalum, copper, tungsten, titanium, aluminum, rhenium, and alloys or combinations thereof. 7. The method of claim 1, further comprising the step of plasma spraying a second metal having a higher Z-grade than the substrate surface. 8. The method of claim 7, wherein the second metal is different from the first metal, and comprises a compound selected from the group consisting of tantalum, copper, tungsten, titanium, aluminum, rhenium, and alloys or combinations thereof. 9. The method of claim 7, wherein the first metal is patterned in a shape of a thermal heat pipe. 10. The method of claim 1, wherein the polymer layer comprises a compound selected from the group consisting of epoxy, polyimide, cyanoacrylate, and mixtures thereof. 11. The method of claim 1, wherein the step of infusing is conducted using vacuum assisted resin transfer molding and curing.
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이 특허에 인용된 특허 (18)
Langley,John D.; Carroll,Todd R., Chemically resistant radiation attenuation barrier.
Hales, Stephen J.; Alexa, Joel A.; Jensen, Brian J.; Cano, Roberto J.; Weiser, Erik S., Metal/fiber laminate and fabrication using a porous metal/fiber preform.
Edwards, Carl S.; Featherby, Michael; Strobel, David J., Optimized nuclear radiation shielding within composite structures for combined man made and natural radiation environments.
Cano, Roberto J.; Grimsley, Brian W.; Weiser, Erik S.; Jensen, Brian J., Resin infusion of layered metal/composite hybrid and resulting metal/composite hybrid laminate.
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