感应加热熔炼Cu-Cr合金的凝固行为

Solidification behavior of induction melted Cu-Cr alloys

采用电弧熔炼和感应加热熔炼研究了不同组成Cu-Cr合金的凝固行为.结果表明:由于高温下Cu-Cr合金与坩埚材料发生反应,氧化铝坩埚中感应加热熔炼Cu-Cr合金受到污染,澄清了Müller与L i的争议;当合金中Cr的摩尔分数大于40%时,感应加热熔炼Cu-Cr合金出现了液相分离,合金与坩埚材料的反应生成物促进了Cu-Cr合金的液相分离.

Solidification behavior of Cu-Cr alloys was studied by arc - melting and induction melting. The results showed that the induction melted Cu-Cr alloys were contaminated for the strong reaction of Cu-Cr alloys with the crucible materials at the high temperature, which clarified the arguments beween Muller and Li. Liquid phase separation occurred in the inducing melted alloys with the Cr concentration more than 40at. %, which might be attributed to the reactant particles promoting the liquid phase separation.