Refractory metal matrix-ceramic compound multi-component composite material with super-high melting point

Abstract

A refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point is disclosed. At least one ceramic compound A and at least one refractory bonding metal B are fused together by the smelting process to make the multi-component composite material. The fused ingredients of the multi-component composite material are mAnB, and (m+n) max =13. The positive integer m is the number of the kinds of the ceramic components A, and the positive integer n is the number of the kinds of the refractory bonding metals B. The absolute value of the combining enthalpy of the ceramic compound A is larger than the absolute value of the combining enthalpy between the ceramic compound A and the refractory bonding metal B. The multi-component composite material has the properties including over 3000° C. melting point, high stability, hardness, ductility, and fusibility in high or low temperature, fast production, and low cost.

What is claimed is: 
     
         1 . A refractory metal-matrix ceramic compound multi-component composite material with a super-high melting point, in which at least one ceramic compound A and at least one refractory bonding metal B are fused together by a smelting process to make the multi-component composite material, wherein fused ingredients of the multi-component composite material are mAnB, (m+n) max =13, m is a number of the added ceramic compounds, n is a number of the added refractory bonding metal B, m and n are positive integers, and an absolute value of a combining enthalpy of the ceramic compound A is larger than an absolute value of a combining enthalpy between the ceramic compound A and the refractory bonding metal B. 
     
     
         2 . The refractory metal-matrix ceramic compound multi-component composite material with super-high melting point according to  claim 1 , wherein the ceramic compound A is selected from the group consisting of a carbide, a nitride, a boride, and a silicide. 
     
     
         3 . The refractory metal-matrix ceramic compound multi-component composite material with the super-high melting point according to  claim 2 , wherein the carbide is titanium carbide (TiC), tantalum carbide (TaC), hafnium carbide (HfC), tungsten carbide (WC), zirconium carbide (ZrC), niobium carbide (NbC), vanadium carbide (VC), chromium carbide (Cr 2 C 3 ), or molybdenum carbide (Mo 2 C). 
     
     
         4 . The refractory metal-matrix ceramic compound multi-component composite material with the super-high melting point according to  claim 2 , wherein the nitride is titanium nitride (TiN), zirconium nitride (ZrN), hafnium nitride (HfN), tantalum nitride (TaN), vanadium nitride (VN), or niobium nitride (NbN). 
     
     
         5 . The refractory metal-matrix ceramic compound multi-component composite material with the super-high melting point according to  claim 2 , wherein the boride is titanium boride (TiB 2 ), zirconium boride (ZrB 2 ), hafnium boride (HfB 2 ), tantalum boride (TaB 2 ), tungsten boride (WB), chromium boride (Cr 3 B 2 ), molybdenum boride (MoB 2 ), or tungsten boride (W 2 B). 
     
     
         6 . The refractory metal-matrix ceramic compound multi-component composite material with the super-high melting point according to  claim 2 , wherein the silicide is tantalum silicide (TaSi 2 ), titanium silicide (Ti 5 Si 3 ), zirconium silicide (Zr 6 Si 5 ), niobium silicide (NbSi 2 ), molybdenum silicide (MoSi 2 ), or tungsten silicide (WSi 2 ). 
     
     
         7 . The refractory metal-matrix ceramic compound multi-component composite material with the super-high melting point according to  claim 1 , wherein the refractory bonding metal is tungsten (W), rhenium (Re), rhodium (Rh), ruthenium (Ru), tantalum (Ta), niobium (Nb), molybdenum (Mo), hafnium (Hf), zirconium (Zr), or osmium (Os), or sometimes iron (Fe), cobalt (Co), or nickel (Ni). 
     
     
         8 . The refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point according to  claim 1 , wherein a maximum mixture proportion and a minimum mixture proportion of each of the main ingredients of the multi-component composite material are respectively 93 wt % and 7 wt %. 
     
     
         9 . The refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point according to  claim 1 , wherein melting points of the ceramic compound A and the refractory bonding metal B are approximately the same. 
     
     
         10 . The refractory metal-matrix ceramic compound multi-component composite material with the super-high melting point according to  claim 1 , wherein the refractory bonding metal B is soluble with respect to the ceramic compound A. 
     
     
         11 . The refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point according to  claim 1 , wherein a plurality of minor elements are added into the fused ingredients of the multi-component composite material. 
     
     
         12 . The refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point according to  claim 1 , wherein the multi-component composite material is processed by a coating process. 
     
     
         13 . The refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point according to  claim 12 , wherein a material of the coating process is MCrAlY, CoCrAlY, or MCrAlY.