Process for producing a pure-phase multisubstance system, ceramic material based on the pure-phase multisubstance system, and moulding and composite formed therefrom

Process for producing a pure-phase multisubstance system, ceramic material based on the pure-phase multisubstance system, and moulding and composite formed therefrom

  • CN 103,339,086 A
  • Filed: 02/03/2012
  • Published: 10/02/2013
  • Est. Priority Date: 02/04/2011
  • Status: Active Application
First Claim
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1. preparation is based on the homogeneous phase multicomponent system of oxyhydroxide and/or oxide compound, the method that particularly has the homogeneous phase multicomponent system of little bar-shaped form, wherein this multicomponent system has the Mo of being selected from, W, Nb, Re, Zr, Hf, V, Sb, Si, first refractory metal of Al and Ta and be selected from Mo, W, Nb, Re, Zr, Hf, V, Sb, Si, second refractory metal of Al and Ta, and wherein said first refractory metal and second refractory metal are inequality, and wherein said first and/or second refractory metal is particularly with fluorine title complex and/or oxygen fluorine title complex, H particularly 2NbF 7, H 2TaF 7, HSbF 6, H 2ZrF 6, H 2SiF 6, H 3AlF 6Deng form exist, Wherein be present in first hydrofluoric acid solution and described second refractory metal is present in second hydrofluoric acid solution at first refractory metal described in first selection schemeAnd first hydrofluoric acid solution that will have first refractory metal mixes with second hydrofluoric acid solution with second refractory metal, thereby forms the hydrofluoric acid mixing solutions of first and second refractory metals with dissolving,PerhapsIn second selection scheme, described first refractory metal and described second refractory metal are dissolved in the substituting hydrofluoric acid mixing solutionsAndAt last this hydrofluoric acid mixing solutions or this substituting hydrofluoric acid mixing solutions are precipitated with precipitation agent, thus the solid mixture in the formation suspension.

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