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Zr-Al-Ni-Fe块体非晶合金的成分设计与优化 被引量：1

Composition Design and Optimization of Zr-Al-Ni-Fe Bulk Amorphous Alloys
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摘要 以等电子浓度和等原子尺寸为判据,以Zr-Al-Ni-Fe合金系为研究体系,设计并制备了7种电子浓度和平均原子尺寸相等但成分不同的系列块体合金。XRD结果表明,只有靠近Zr-Al-Ni三元系的4个合金得到块体非晶;DSC和DTA结果表明,这4个合金中的最佳成分,即具有最高玻璃形成能力和最好热稳定性的合金是Zr60.7Al15.5Ni15.5Fe8.3,其特征热力学参数Tg=710K,Tx=770K,?Tx=60K,Tg/Tm=0.607,Tg/Tl=0.552。 Zr-Al-Ni-Fe alloy series with different compositions were designed according to the criteria of constant electron concentration and atomic size. XRD results indicate that only the four alloys near the Zr-Al-Ni ternary system formed the bulk metallic glass. It is revealed by DSC and DTA curves that the best composition forming glass is Zr6o.TAl15.5Ni15.5Fe8.3 with the thermodynamic characteristic parameters of Tg=710 K, Tx=770 K, △Tx=60 K, Tg/Tm=0.607, and Tg/Tl=0.552, respectively.
作者 陈伟荣 王宙 韩光
机构地区 大连大学
出处 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2006年第7期1017-1020,共4页 Rare Metal Materials and Engineering
基金 辽宁省教育厅高校科研项目(2023901011)
关键词 Zr-Al-Ni-Fe合金 块体非晶合金 等电子浓度 平均原子尺寸 Zr-Al-Ni-Fe alloy bulk metallic glass electron concentration atomic size
分类号 TG139.8 [一般工业技术—材料科学与工程]
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共引文献45

同被引文献11

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稀有金属材料与工程
2006年 第7期

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