A thermite composition for pyrotechnics having high heat transfer charactistics comprising a strongly reducible metal oxide, a thermally decomposable heat transfer agent consisting of Cu2O, and a strong reducing agent. It is desirable that the stoichiometerics and mechanics of the thermite reaction
A thermite composition for pyrotechnics having high heat transfer charactistics comprising a strongly reducible metal oxide, a thermally decomposable heat transfer agent consisting of Cu2O, and a strong reducing agent. It is desirable that the stoichiometerics and mechanics of the thermite reaction is such that there is a substantial excess of oxygen. Also, other ingredients may be added to the composition such as gas generating compounds, binders, diluents and supplemental oxidizing agents.
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1. A thermite composition for pyrotechnics having high heat transfer charactistics comprising: (a) a strongly reducible metal oxide; (b) a strong reducing agent; and (c) a thermally decomposable heat transfer agent consisting of Cu2O. 2. The thermite composition of claim 1, wherein: (a) th
1. A thermite composition for pyrotechnics having high heat transfer charactistics comprising: (a) a strongly reducible metal oxide; (b) a strong reducing agent; and (c) a thermally decomposable heat transfer agent consisting of Cu2O. 2. The thermite composition of claim 1, wherein: (a) the strongly reducible metal oxide is taken from the group consisting of FeO, Fe2O3,CoO, NiO, Cu2O, CuO, Sb2O3,MoO2,MoO3,Cr2O3,PbO2,WO2,and WO3; and (b) the strong reducing agent is taken from the group consisting of Al, Si, Zr, Be, Mg, Ba, Ti, and B. 3. The thermite composition of claim 1, wherein the strongly reducible metal oxide is taken from the group consisting of Fe2O3,NiO, CuO, and CoO and the strong reducing agent is taken from the group consisting of Al, Si, Mg, and B. 4. The thermite composition of claim 1, wherein the composition further contains: (a) a supplemental strong oxidizing agent taken from the group consisting of metal oxides, chlorates, perchlorates, peroxides, nitrites and nitrates or a combination thereof; and (b) a binder. 5. The thermite composition of claim 1, wherein the strongly reducible metal oxide is CuO, the strong reducing agent is Al, and the supplemental strong oxidizing agent is NaClO3. 6. The thermite composition of claim 1, wherein the strongly reducible metal oxide is Fe2O3,the strong reducing agent is Al, and the supplemental strong oxidizing agent is NaClO3. 7. The thermite composition of claim 1, wherein the strongly reducible metal oxide is CuO, the strong reducing agent is Al and the supplemental strong oxidizing agent is a nitrate. 8. The thermite composition of claim 1, wherein the strongly reducible metal oxide is Fe2O3,the strong reducing agent is Al, and the supplemental strong oxidizing agent is a nitrate. 9. The thermite composition of claims 5, wherein the composition further contains a binder. 10. The thermite composition of claim 1, wherein the strongly reducible metal oxide is CuO provided in the range of about 35-55% by weight, the supplemental strong oxidation agent is NaClO3 provided in the range of about 0-12% by weight, and the binder is polyethylene glycol provided in the range of 0-1.5% by weight. 11. The thermite composition of claim 1, which further contains a supplemental strong oxidizing agent, a binder and a diluent taken from the group consisting of LiF, NiF3,FeCl3,AlF3,NiF2,CaF2,CrF2,CrCl3,CaO, Na2SO4,SiO2,KCl, TiO2,CrF3,MgCl2,CaCl2,NiF3,FeCl3,MgF2,MnO, Fe2O3,B2O3,MgO, and Al2O3or a combination thereof. 12. A thermite composition for pyrotechnics having a high heat transfer, comprising: (a) a strongly reducible metal oxide taken from the group consisting of FeO, Fe.sub2 O3, CoO, NiO, Cu.sub2 O, CuO, Sb2 3O, MoO2, MoO3, Cr2 O3, PbO2, WO2, and WO3; (b) a strong reducing agent taken from the group consisting of Al, Si, Zr, Be, Mg, Ba, Ti, and B; (c) a strong supplemental oxidation agent taken from the group consisting of metal oxides, chlorates, perchlorates, peroxides, nitrites and nitrates or a combination thereof; and (d) a binder. 13. A thermite composition of claim 12, which further comprise a gas generating compound taken from the group consisting of carbides, nitrides and nitrates.
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이 특허에 인용된 특허 (13)
Taylor Robert D. (Hyrum UT), Consolidated thermite compositions.
Halcomb Danny L. (Camden OH) Mohler Jonathan H. (Spring Valley OH), High- and low-temperature-stable thermite composition for producing high-pressure, high-velocity gases.
Mueller Kurt F. (Oxon Hill MD) Chang Marguerite S. (Oxon Hill MD) Farncomb Robert F. (Accokeek MD) Malotky Lyle O. (Oxon Hill MD), Metal-cutting pyrotechnic composition.
Hinshaw Jerald C. (Farr West UT) Blau Reed J. (Richmond UT), Thermite compositions for use as gas generants comprising basic metal carbonates and/or basic metal nitrates.
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