Preparation of Cu-based Bulk Amorphous Alloys by Copper-mold Suction Casting Method

Kou Shengzhong 1; 2 Li Chunyan1 Xu Guangji1 Ding Yutian1 Hu Yong1

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Preparation of Cu-based Bulk Amorphous Alloys by Copper-mold Suction Casting Method
Issue 12, Pages: 705-707(2005)
Published： 2005 ，
DOI：

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[1]寇生中,李春燕,许广济,丁雨田,胡勇.Cu模吸铸法制备Cu基块体非晶合金[J].特种铸造及有色合金,2005(12):705-707+701.

Kou Shengzhong 1, 2 Li Chunyan1 Xu Guangji1 Ding Yutian1 Hu Yong1. Preparation of Cu-based Bulk Amorphous Alloys by Copper-mold Suction Casting Method. [J]. Special Casting & Nonferrous Alloys (12):705-707(2005)
[1]寇生中,李春燕,许广济,丁雨田,胡勇.Cu模吸铸法制备Cu基块体非晶合金[J].特种铸造及有色合金,2005(12):705-707+701. DOI：

Kou Shengzhong 1, 2 Li Chunyan1 Xu Guangji1 Ding Yutian1 Hu Yong1. Preparation of Cu-based Bulk Amorphous Alloys by Copper-mold Suction Casting Method. [J]. Special Casting & Nonferrous Alloys (12):705-707(2005) DOI：

摘要

采用磁悬浮熔炼和Cu模吸铸工艺成功制备了圆棒Cu50Zr42Al8块体非晶合金

试样表面平滑且具有典型的金属光泽。试验制备的圆棒Cu50Zr42Al8块体非晶合金的直径尺寸小于5mm

该成分的块体非晶合金具有较强的非晶形成能力

其玻璃转变温度Tg=723K

晶化温度Tx=773K

过冷度ΔT=50K

约化玻璃转变温度Trg=0.753。

Abstract

The rod Cu

50Zr

42Al

bulk amorphous alloys with smooth surface and typical metal lightness were successfully prepared by copper-mold suction casting combining with magnetic-suspending melting method.The maximum diameter of prepared rod Cu

50Zr

42Al

bulk amorphous alloys is less than 5 mm under the above experimental conditions.Cu

50Zr

42Al

bulk amorphous alloys have excellent glass-forming ability with glass transition temperature （T

） 723 K

crystallization temperature （T

） 773 K

supercooled temperature 50 K and reduced glass transition temperature （T

rg） 0.753.

关键词

Cu-基块体非晶合金非晶形成能力Cu模

Keywords

Cu-based Bulk Amorphous AlloysGlass-Forming AbilityCu Mold

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