EXTREMELY WIDE SUPERCOOLED LIQUID REGION AND LARGE GLASS-FORMING ABILITY IN ZR65-XAL7.5CU17.5NI10BEX AMORPHOUS-ALLOYS

被引：45

作者：

INOUE, A ^{[1
]}

ZHANG, T ^{[1
]}

NISHIYAMA, N ^{[1
]}

OHBA, K ^{[1
]}

MASUMOTO, T ^{[1
]}

机构：

[1] TOHOKU UNIV,GRAD SCH,SENDAI,MIYAGI 980,JAPAN

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1994年 / 179卷

关键词：

D O I：

10.1016/0921-5093(94)90195-3

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The temperature interval of the supercooled liquid region before crystallization in Zr65-xAl7.5Ni10Cu17.5Bex alloys is the largest for the x = 0 alloy. It is therefore said that the addition of Be with an extremely small atomic size as compared with those of the other constituent elements is not effective for further extension of the wide supercooled liquid region. The quenching of the melt in a quartz tube into water was found to enable the production of bulk amorphous alloy in cylindrical form with a diameter of 16 mm and a length of 150 mm for the Zr65Al7.5Ni10Cu17.5 alloy with the largest DELTAT(x) of 127 K. The finding of the extremely large glass-forming ability of the Zr-Al-Ni-Cu alloy is very important for subsequent development of metallic amorphous alloys.

引用

页码：210 / 214

页数：5

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