采用铜模铸造法,可以制备出直径为3 mm的非晶圆柱棒.结合差热分析、X射线衍射和透射电镜分析测试结果,从动力学和结构学等方面阐述了Ni元素对Fe58Co10-xNixZr10Mo5W2B15(x=0,3,4,5,6,摩尔分数,%)合金系玻璃形成能力和热稳定性的影响.结果表明:Ni元素含量的微量变化可以明显改善Fe58Co10-xNixZr10Mo5W2B15(x=0,3,4,5,6)合金系的玻璃形成能力;当Ni含量达到4%时,Fe58Co6Ni4Zr10Mo5W2B15具有最佳的玻璃形成能力,晶化温度(Tx)、玻璃转变温度(Tg)、过冷液相区宽度(△Tx)、玻璃形成能力判据Trg和y分别为887 K、957 K、70 K、0.590 2和0.400 4.
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