沈阳工业大学学报2012，Vol.34Issue(3)：268-272,5.
Al-Ni-Y三元合金玻璃形成能力及热稳定性
Glass forming ability and thermal stability of Al-Ni-Y ternary alloys
摘要
Abstract
In order to analyze the glass forming ability and thermal stability of Al-Ni-Y ternary alloys,the melt quenching method was used to prepare the Al90Ni2Y8,Al87Ni5Y8,Al84Ni8Y8 and Al80Ni12Y8 alloy ribbons.The structures of both as-quenched and partially crystallized ribbons were characterized with x-ray diffraction（XRD）,and the glass transition and crystallization behavior of the alloys were analyzed with differential scanning calorimeter（DSC）.The results show that as-prepared ribbons are fully amorphous except for the Al80Ni12Y8 and Al90Ni2Y8 alloys,and the aluminum nanocrystals precipitate after partial crystallization.The glass transition temperature（Tg） can be clearly observed on the DSC curve of Al84Ni8Y8 alloy.With the comparison in the thermal stability of four alloys,it is found that with increasing the content of Ni,the primary crystallization temperature（Tx） of the alloys increases,and the thermal stability of the alloys gets enhanced.关键词
非晶态合金/Al-Ni-Y合金/玻璃形成能力/晶化温度/纳米晶体/初晶型晶化/共晶型晶化/热稳定性Key words
amorphous alloy/Al-Ni-Y alloy/glass forming ability(GFA)/crystallization temperature/nanocrystal/primary crystallization/eutectic crystallization/thermal stability分类
矿业与冶金引用本文复制引用
杨红旺,龚静,杨柏俊,王瑞春,李荣德..Al-Ni-Y三元合金玻璃形成能力及热稳定性[J].沈阳工业大学学报,2012,34(3):268-272,5.基金项目
国家自然科学基金资助项目 （）
辽宁省教育厅创新团队项目 （）
沈阳市科技支撑计划项目 （）
