Shock initiation devices including reactive multilayer structures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-001/032
F42B-001/00
출원번호
US-0855298
(2004-05-27)
등록번호
US-7278354
(2007-10-09)
발명자
/ 주소
Langan,Timothy
Riley,Michael A.
출원인 / 주소
Surface Treatment Technologies, Inc.
대리인 / 주소
Pietragallo Bosick & Gordon, LLP
인용정보
피인용 횟수 :
43인용 특허 :
48
초록▼
The invention provides shock initiation devices comprising multilayer structures with constituent layers that undergo an exothermic self-propagating reaction once initiated by shock. The multilayer structures may be used as components in shaped charges, EFP devices, warheads, munition casings, inter
The invention provides shock initiation devices comprising multilayer structures with constituent layers that undergo an exothermic self-propagating reaction once initiated by shock. The multilayer structures may be used as components in shaped charges, EFP devices, warheads, munition casings, interceptors, missiles, bombs, and other systems. The reactive layer materials may be selected based on required structural properties, density and reaction temperature.
대표청구항▼
The invention claimed is: 1. A shock initiation device comprising: a reactive multilayer structure including repeating layers of reactive components which are capable of subsequently reacting with each other; and explosive means for shock initiation of the reactive multilayer structure, wherein the
The invention claimed is: 1. A shock initiation device comprising: a reactive multilayer structure including repeating layers of reactive components which are capable of subsequently reacting with each other; and explosive means for shock initiation of the reactive multilayer structure, wherein the device is a reactive shaped charge. 2. The shock initiation device of claim 1, wherein one of the reactive components is selected from the group consisting of Ni, Si, Ti, Ta, V, Zr, Nb, W, Mo, Cr, Rh and Ir, and another of the reactive components is selected from the group consisting of Al, Si, Mg, Ni, C and B. 3. The shock initiation device of claim 1, wherein one of the reactive components is selected from the group consisting of TiO2, Al2O3, Fe3O4, SiO2 and NiO2, and another of the reactive components is selected from the group consisting of Al, Fe, Ni, B2O3 and TiO2. 4. The shock initiation device of claim 1, wherein the reactive components are provided in sufficient amounts to form an intermetallic compound upon reaction. 5. The shock initiation device of claim 1, wherein one of the reactive components comprises Ni and another one of the reactive components comprises Al. 6. The shock initiation device of claim 1, wherein the reactive components comprise different metals provided in amounts selected to form a specified intermetallic comprising the metals upon exothermic reaction of the reactive metal components. 7. The shock initiation device of claim 6, wherein the intermetallic comprises nickel aluminide and/or titanium aluminide. 8. The shock initiation device of claim 1, wherein each of the layers has a thickness of from about 10 nanometers to about 1 micron. 9. The shock initiation device of claim 1, wherein the layers of reactive components are directly adjacent each other. 10. The shock initiation device of claim 1, wherein the reactive structure has a porosity of less than about 10 volume percent. 11. The shock initiation device of claim 1, wherein the reactive structure has a tensile yield strength of at least 5 ksi. 12. The shock initiation device of claim 1, wherein the reactive structure is at least partially coated with a fire retardant layer comprising a ceramic. 13. The shock initiation device of claim 1, wherein the reactive structure is at least partially coated with at least one layer of substantially non-reactive mechanically shock resistant rubber or polymer. 14. The shock initiation device of claim 1, wherein the means for shock initiation comprises an explosive. 15. The shock initiation device of claim 1, wherein the means for shock initiation comprises an object which impacts the reactive multilayer structure.
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