Microstructure and properties of Cu-2.8Ni-0.6Si alloy

被引：5
|
作者：
Xiao, Xiang-Peng [1 ]
Xiong, Bai-Qing [1 ]
Huang, Guo-Jie [1 ]
Cheng, Lei [1 ]
Peng, Li-Jun [1 ]
Liang, Qi-Ming [2 ]
机构：
[1] Gen Res Inst Nonferrous Met, State Key Lab Fabricat & Proc Nonferrous Met, Beijing 100088, Peoples R China
[2] Albetter Albronze Co Ltd, China Nonferrous Met Proc Technol, Linqing 252600, Peoples R China
来源：
RARE METALS | 2013年 / 32卷 / 03期
关键词：
Microstructure; Hardness; Electrical conductivity; Spinodal decomposition; DO22; ordering; NI-SI ALLOY; THERMOMECHANICAL TREATMENT; BEHAVIOR;
D O I：
10.1007/s12598-013-0056-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The phase transformation behavior and heat treatment response of Cu-2.8Ni-0.6Si (wt%) alloy subjected to different heat treatments were studied by X-ray diffraction, transmission electron microscopy observation, and measurement of hardness and electrical conductivity. The variation of hardness and electrical conductivity of the alloy was measured as a function of aging time. On aging at the temperature below T (R) (500-550 A degrees C) in Cu-2.8Ni-0.6Si alloy, the transformation undergoes spinodal decomposition, DO22 ordering, and delta-Ni2Si phase. On aging at the temperature above T (R) (500-550 A degrees C), the transformation products were precipitations of delta-Ni2Si. The free energy versus composition curves were employed to explain the microstructure observations.
引用
收藏
页码：228 / 233
页数：6
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