Amorphous Formation Ability and Compression Strength of CuNiAlNb Alloys

Yang Yuanzheng  Qiu Zaihong  Li Xifeng  Zhao Deqiang  Xie Zhiwei  Kuang Tongchun  Bai Xiaojun

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Amorphous Formation Ability and Compression Strength of CuNiAlNb Alloys
Issue 4, Pages: 203-204(2005)
Published： 2005 ，
DOI：

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[1]杨元政,仇在宏,李喜峰,赵德强,谢致薇,匡同春,白晓军.ZrAlCuNiNb合金的非晶形成能力及性能[J].特种铸造及有色合金,2005(04):203-204+189.

Yang Yuanzheng Qiu Zaihong Li Xifeng Zhao Deqiang Xie Zhiwei Kuang Tongchun Bai Xiaojun. Amorphous Formation Ability and Compression Strength of CuNiAlNb Alloys. [J]. Special Casting & Nonferrous Alloys (4):203-204(2005)
[1]杨元政,仇在宏,李喜峰,赵德强,谢致薇,匡同春,白晓军.ZrAlCuNiNb合金的非晶形成能力及性能[J].特种铸造及有色合金,2005(04):203-204+189. DOI：

Yang Yuanzheng Qiu Zaihong Li Xifeng Zhao Deqiang Xie Zhiwei Kuang Tongchun Bai Xiaojun. Amorphous Formation Ability and Compression Strength of CuNiAlNb Alloys. [J]. Special Casting & Nonferrous Alloys (4):203-204(2005) DOI：

摘要

用X射线衍射（XRD）与示差扫描量热仪（DSC）研究了添加Nb元素对Zr57Al15-xCu15.4Ni12 .6Nbx合金的非晶形成能力的影响以及冷却速率对非晶形成的影响

同时研究了形成的块体非晶合金以及热处理后的压缩性能。结果表明:当Nb的摩尔分数达到5 %时（即Zr57Al10 Cu15.4Ni12 .6Nb5）

合金具有最强的非晶形成能力

该块体非晶合金的压缩强度达170 5MPa

相对压缩率约为0 .10 4%。热处理后

当非晶合金中出现分离相或晶化析出相时

压缩强度将急剧下降。

Abstract

The influence of Nb and cooling rate on the amorphous formation ability of amorphous Zr

57Al

15-xCu

15.4Ni

12.6Nb

alloy was examined by XRD and DSC.The compression strength of the as-cast and heat treated bulk amorphous alloy was researched.It was found that amorphous Zr

57Al

15-xCu

15.4Ni

12.6Nb

alloy containing 5%Nb（atom fraction） has the highest amorphous formation ability

in which the compression strength can reach up to 1705 MPa and the relative compression rate is about 0.104%.The compression strength of heat treated amorphous alloy is decreased remarkably due to the occurrence of precipitated phase or crystallization phase in the amorphous alloy.

关键词

非晶形成能力ZrAlCuNiNb块体非晶合金压缩强度

Keywords

Amorphous Formation AbilityAmorphous Bulk Zr 57Al 15-xCu 15.4Ni 12.6Nbx AlloyCompression Strength

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