钇稀土复合多元合金变质包芯线在高锰钢中的应用研究

利用钇基重稀土和轻稀土两种不同种类的稀土生产的变质包芯线对高锰钢进行变质细化处理,研究了不同种类稀土及不同加入量对高锰钢冲击值及耐磨性能的影响.结果 表明:加稀土较未加稀土试样冲击韧性和初始硬度稍有提高,但变化不明显,但经钇基稀土复合多元合金变质线处理后试样的伸长率比未经稀土处理的试样提高较明显;钇基稀土复合多元合金变...

Application of Yttrium-Rare Earth Complex Multi-Element Alloy Modified Cored Wire to High Manganese Steel

High manganese steel was modified and refined by using two kinds of modified cored wires produced by yttrium based heavy rare earth and light rare earth in order to study the effects of different kinds of rare earth and different addition amounts on the impact toughness and wear resistance of high manganese steel.The results show that the impact toughness and initial hardness of the samples with and without rare earth modified cored wires treatment have no obvious change,but the elongation of samples treated by yttrium based heavy rare earth modification line is significantly higher than that without treated by rare earth modification line.After refinement treatment by yttrium based rare earth composite multi-element alloy modification line,the work hardening ability and wear resistance of high manganese steel were significantly improved;after treatment by light rare earth modification line,the wear resistance of the samples increases by 10%-20%compared with the high manganese steel without modification treatment,and the wear resistance of the samples treated by yttrium based rare earth composite modification line is 20%-30%higher than that of the samples treated by ordinary rare earth modification line.