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近年来,随着铁基大块非晶合金尺度不断取得新的突破,无磁非晶钢的开发和研究受到日益广泛的关注.然而,FeCrMoCB系非晶钢的玻璃形成能力很弱,仅能形成直径为1.5mm的大块非晶合金.采用铜模真空吸铸法,探讨Y、Pr、Gd、Tb等稀土元素对Fe48Cr15Mo14C15B6M2(M=RE)系合金玻璃形成能力的影响,实验结果表明,用2%(原子分数)的稀土元素Y、Pr、Gd、Tb分别替换Fe50Cr15Mo14C15B6中的Fe,能制备出一系列Fe48Cr15Mo14C15B6M2(M=RE)系非晶棒.Fe48Cr15Mo14C15B6M2(M=Pr,Y,Gd,Tb)非晶棒的最大直径依次可达3、8、12和12mm.

参考文献

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