快速凝固Cu-Cr-Sn-Zn合金的时效强化研究

苏娟华; 刘平; 董企铭; 李贺军; 任凤章

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快速凝固Cu-Cr-Sn-Zn合金的时效强化研究
Ageing Behavior of Rapidly Solidified Cu-Cr-Sn-Zn Alloy
2005年第9期页码：572-574
纸质出版日期： 2005 ，
DOI：

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[1]苏娟华,刘平,董企铭,李贺军,任凤章.快速凝固Cu-Cr-Sn-Zn合金的时效强化研究[J].特种铸造及有色合金,2005(09):572-574+512.

Su Juanhua~. Ageing Behavior of Rapidly Solidified Cu-Cr-Sn-Zn Alloy[J]. Special Casting & Nonferrous Alloys, 2005,(9):572-574.
[1]苏娟华,刘平,董企铭,李贺军,任凤章.快速凝固Cu-Cr-Sn-Zn合金的时效强化研究[J].特种铸造及有色合金,2005(09):572-574+512. DOI：

Su Juanhua~. Ageing Behavior of Rapidly Solidified Cu-Cr-Sn-Zn Alloy[J]. Special Casting & Nonferrous Alloys, 2005,(9):572-574. DOI：

摘要

研究了时效温度、时效时间对快速凝固Cu-Cr-Sn-Zn合金微观组织、显微硬度和电导率的影响规律。结果表明

快速凝固状态下合金细晶强化作用显著

硬度（HV）和电导率分别为100和20.9MS/m。合金快速凝固时效后的析出相Cr弥散、稠密

使合金强度和电导率得以提高

在500℃×15min时效后

硬度（HV）为170

电导率达37.1MS/m。

Abstract

Effects of ageing temperature

ageing time on microstructure

micro-hardness and electric conductivity of rapidly solidified Cu-Cr-Sn-Zn alloy were investigated.The micro-hardness and electric conductivity of the alloy are 100 HV and 20.9 MS/s

respectively

due to strengthening effects of fine grain.Aged at 500 ℃ for 15 min

the micro-hardness and electric conductivity are 170 HV and （37.1 MS/m

）respectively

resulted from the precipitated dispersive and intensive Cr phase improving the strength and conductivity of the rapidly solidified alloy.