Aluminum-based nanothermites and processes of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C06B-045/00
C06B-045/04
C06B-033/00
D03D-023/00
D03D-043/00
출원번호
US-0750405
(2010-03-30)
등록번호
US-8257523
(2012-09-04)
발명자
/ 주소
Puszynski, Jan A.
Swiatkiewicz, Jacek J.
출원인 / 주소
The United States of America as represented by the Secretary of the Navy
대리인 / 주소
Haley, Charlene A.
인용정보
피인용 횟수 :
6인용 특허 :
0
초록▼
An apparatus and process for making thermite compositions. The process includes providing a fuel-based slurry and at least one oxidizer-based slurry, formulating combination of fuel-based slurry and oxidizer-based slurry in a solvent to a desired energetic dose depending on nanocomposites' use, circ
An apparatus and process for making thermite compositions. The process includes providing a fuel-based slurry and at least one oxidizer-based slurry, formulating combination of fuel-based slurry and oxidizer-based slurry in a solvent to a desired energetic dose depending on nanocomposites' use, circulating the fuel-based slurry/oxidizer-based slurry combination in a mixing device operating semi-continuously during mixing and dispensing cycles forming a homogeneous mixed slurry, agitating ultrasonically or by high shear rate mixers the mixed slurry, and drying of the mixed slurry forming compact structures.
대표청구항▼
1. A process of making thermite composites, comprising: providing a fuel-based slurry and at least one oxidizer-based slurry;formulating combination of fuel-based slurry and oxidizer-based slurry in a solvent to a desired energetic dose depending on nanocomposites' use;circulating said fuel-based sl
1. A process of making thermite composites, comprising: providing a fuel-based slurry and at least one oxidizer-based slurry;formulating combination of fuel-based slurry and oxidizer-based slurry in a solvent to a desired energetic dose depending on nanocomposites' use;circulating said fuel-based slurry/said oxidizer-based slurry combination in a mixing device operating semi-continuously during mixing and dispensing cycles forming a homogeneous mixed slurry, wherein said step of semi continuous mixing utilizes an in-line mixer capable of recirculation of said desired slurry formulation;agitating ultrasonically or by high shear rate mixers said mixed slurry; anddrying of said mixed slurry forming compact structures. 2. The process according to claim 1, wherein said mixing process being a water-based mixing process. 3. The process according to claim 1, wherein said step of forming compact structures comprises forming pellets or granules. 4. The process according to claim 1, wherein said step of formulating combination of fuel-based slurry and oxidizer-based slurry to desired energetic dose depending on said nanocomposites' use comprises dosing said slurry combination to produce energetic nanocomposites for one of the applications selected from the group consisting of primer cups, coatings, percussion primers, electric primers, and low energy initiators. 5. The process according to claim 1, wherein said at least one fuel-oxidizer-based slurry comprises a metal and/or metal alloy. 6. The process according to claim 5, wherein said metal and/or metal ally comprises Al or Al-metal. 7. The process according to claim 6, wherein said at least one fuel-oxidizer-based slurry comprises at least one of Al—Fe2O3, Al—Bi2O3, Al—MoO3, Al—WO3, Al—CuO, Al—Bi2O3/Fe2O3, Al—Fe2O3/SiO2, and any combination thereof. 8. The process according to claim 1, further comprising the step of mixing said oxidizer-based slurry in a least one solvent. 9. The process according to claim 8, wherein said solvent comprises water or anhydrous solvents from the group consisting of hexane, acetone, isopropyl alcohol, and any combination thereof. 10. The process according to claim 9, further comprising the step of mixing a second oxidizer-based slurry to said oxidizer-based slurry/solvent. 11. The process according to claim 1, wherein said steps of circulating said fuel-based slurry/said oxidizer-based slurry combination in a mixing device operating continuously during mixing and dispensing cycles resulting in a mixed slurry; and agitating ultrasonically said mixed slurry can be simultaneously for a specified time depending on desired utility. 12. The process according to claim 1, wherein said composites comprises nanosized particles being in the form of nanopowders and/or nanoflakes. 13. The process according to claim 1, wherein said slurry mixture further comprising the step of adding a binder. 14. The process according to claim 1, further comprising at least one energetic additive.
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