摘要
在冷压制、热压制等不同工艺条件下制备出块状的Zn 5Al试样 ,得到了更细密的两相相间排列的准共晶组织。用OM ,SEM ,TEM和X射线衍射并结合能谱分析等方法研究了准共晶合金试样在各种实验条件和变形过程中的变化及其有关的界面作用。研究发现 ,原子沿晶界 (相界 )
The specimens have been prepared by cold compression and hot compression respectively. The effects of preparation technologies on the microstructure and the interface function have been investigated with OM, SEM, TEM and X-ray diffraction. The quasi-eutectic structures are found in hot compression specimens and the quasi-eutectic structure in the specimen of Zn-5Al is finer than the lamellar structure in Zn-5Al eutectic alloy. The diffusion of atoms along grain boundary and interface plays an important role in the process of formation of quasi-eutectic structure.
出处
《航空材料学报》
EI
CAS
CSCD
2001年第2期30-33,共4页
Journal of Aeronautical Materials
基金
国家自然科学基金资助项目5 97710 46
5 98710 31
关键词
Zn-5Al锌铝试样
OM
SEM
TEM
X射线衍射
原子扩散
固相扩散
准共晶组织
能谱分析
Aluminum powder metallurgy
Crystal microstructure
Grain boundaries
Hot pressing
Interdiffusion (solids)
Interfaces (materials)
Powder metals
Scanning electron microscopy
Surface chemistry
Transmission electron microscopy
X ray diffraction analysis
Zinc powder metallurgy
