(ZrM)-(CuN)-Ni-Al-RE amorphous alloy and manufacturing method and application thereof

Abstract

The present invention relates to a (ZrM)-(CuN)—Ni—Al-RE amorphous alloy, which containing, by atom percent, 40-65% of Zr, 18-46% of Cu, 2-15% of Ni, 4-15% of Al, 0.1-3% of M, 0.05-3% of N, 0.1-2% of a rare earth element RE, wherein M is Hf and/or Ti; and N is Ag, wherein the amorphous alloy further contains a small amount of Hf, Ti, Ag and Re on the basis of a Zr—Al—Ni—Cu amorphous alloy, to maintain the mechanical properties of the Zr—Al—Ni—Cu amorphous alloy, and has a relatively strong glass froming ability, manufacturability and antimicrobial property.

1 . A (ZrM)-(CuN)—Ni—Al-(RE) amorphous alloy adapted for preparing a mechanical component, comprising: by atomic percent, 40-65% of Zr, 18-46% of Cu, 2-15% of Ni, 4-15% of Al, 0.1-3% of M, 0.05-3% of N, 0.1-2% of a rare earth element RE, wherein M is Hf and/or Ti, and N is Ag, the rare earth element RE is Y, Gd, Er, Sc or a combination thereof. 
     
     
         2 . The (ZrM)-(CuN)—Ni—Al-(RE) amorphous alloy according to  claim 1 , wherein by atomic percent, the percentages of Hf, Ag and RE are no more than 1% respectively, and the percentage of Ti is no more than 2%. 
     
     
         3 . The (ZrM)-(CuN)—Ni—Al-RE amorphous alloy according to  claim 1 , wherein by atomic percent, the amorphous alloy is optimized to comprise: 50-55% of Zr, 28-35% of Cu, 4-7% of Ni, 5-11% of Al, 0.1-1.0% of M, 0.05-1.0% of N, 0.1-1.0% of a rare earth element RE. 
     
     
         4 . A manufacturing method for the (ZrM)-(CuN)—Ni—Al-RE amorphous alloy according to  claim 1 , comprising the following steps:
 preparing a master ingot by an arc melting process or an induction melting process, by using Zr, Cu, Ni, Al, M, N and RE as raw materials; 
 preparing the amorphous alloy by casting or die casting process, after melting master ingot by arc heating or induction heating technique, wherein the process parameter is: vacuum degree is 1×10 1 ˜10 −3  Pa, or being filled with argon, the melting temperature is 860˜1200° C., and the cooling rate is 10˜10 3  K/s. 
 
     
     
         5 . An application of the (ZrM)-(CuN)—Ni—Al-RE amorphous alloy according to  claim 1 , the amorphous alloy is capable of being can be used in the fields of electronics, medical and health, aerospace or traffic transport. 
     
     
         6 . The application of the (ZrM)-(CuN)—Ni—Al-RE amorphous alloy, recited in  claim 5 , wherein the amorphous alloy is capable of being used for making can make complex components.