Kiniz alloy having homogeneous microstructure

Abstract

The present disclosure relates to KINIZ alloys having a homogeneous microstructure. A KINIZ alloy includes: copper (Cu) and iron (Fe) in a total amount of 75 wt % to 95 wt %; and nickel (Ni) in an amount of 1 wt % to 20 wt %, zirconium (Zr) in an amount of 0.1 wt % to 5.0 wt %, and a balance of inevitable impurities. A KINIZ alloy includes: copper (Cu) and iron (Fe) in a total amount of 75 wt % to 95 wt %; and manganese (Mn) in an amount of 2.0 wt % to 5.0 wt %, zirconium (Zr) in an amount of 0.3 wt % to 1.0 wt %, and a balance (excluding 0%) of inevitable impurities.

1 . A KINIZ alloy having copper (Cu) and iron (Fe) and a homogeneous microstructure, the KINIZ alloy comprising:
 copper (Cu) and iron (Fe) in a total amount of 75 wt % to 95 wt %; and   nickel (Ni) in an amount of 1 wt % to 20 wt %, zirconium (Zr) in an amount of 0.1 wt % to 5.0 wt %, and a balance of inevitable impurities.   
     
     
         2 . The KINIZ alloy of  claim 1 , wherein the KINIZ alloy comprises copper (Cu) in an amount of 20 wt % to 80 wt % and iron (Fe) in an amount of 20 wt % to 80 wt %. 
     
     
         3 . The KINIZ alloy of  claim 1 , wherein the KINIZ alloy comprises nickel (Ni) in an amount of 2.0 wt % to 5.0 wt %, and zirconium (Zr) in an amount of 0.3 wt % to 1.0 wt %. 
     
     
         4 . The KINIZ alloy of  claim 1 , wherein the zirconium (Zr) reacts with oxygen and forms ZrO 2 , and
 the ZrO 2  functions as nuclei for nucleation of dendrites during a casting process of the KINIZ alloy.   
     
     
         5 . A KINIZ alloy having copper (Cu) and iron (Fe) and a homogeneous microstructure, the KINIZ alloy comprising:
 copper (Cu) and iron (Fe) in a total amount of 75 wt % to 95 wt %; and   manganese (Mn) in an amount of 2.0 wt % to 5.0 wt %, zirconium (Zr) in an amount of 0.3 wt % to 1.0 wt %, and a balance (excluding 0%) of inevitable impurities.   
     
     
         6 . The KINIZ alloy of  claim 5 , wherein the KINIZ alloy has a weight ratio of iron (Fe) to copper (Cu) and iron (Fe) within a range of 70% or more. 
     
     
         7 . The KINIZ alloy of  claim 5 , further comprising nickel (Ni) in an amount of 2.0 wt % to 5.0 wt %. 
     
     
         8 . The KINIZ alloy of  claim 1 , wherein when the KINIZ alloy is cast, molten metals are cooled at a rate of 5.3×10 4 ° C./sec or less. 
     
     
         9 . The KINIZ alloy of  claim 5 , wherein when the KINIZ alloy is cast, molten metals are cooled at a rate of 5.3×10 4 ° C./sec or less.