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Processes for forming exoergic structures with the use of a plasma and for producing dense refractory bodies of arbitrary shape therefrom

  • US 4,933,241 A
  • Filed: 02/17/1989
  • Issued: 06/12/1990
  • Est. Priority Date: 05/29/1987
  • Status: Expired due to Fees
First Claim
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1. A method of producing combustion synthesis products which comprises:

  • (a) introducing an oxygen-free plasma-forming gas into a plasma spray;

    (b) introducing reactive exoergic materials capable of sustaining a combustion synthesis reaction in finely divided particulate form into said plasma spray directed toward, but not impinging on, a substrate;

    (c) melting, without chemically reacting, said exoergic materials in the plasma;

    (d) impinging said molten reactive exoergic material on said substrate; and

    (e) igniting said impinged exoergic materials.

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