Transmission electron microscopy observations on the precipitates in Al-Zn-Mg based sacrificial anode alloy
Nano-scale precipitates in the Al-Zn-In-Mg-Ti-Mn alloy were investigated by regular and high resolution transmission electron microscopy (TEM and HRTEM) and by selective area electron diffraction (SAED). The cast alloy contains the hexagonal structure MgZn2 and the orthorhombic structure Al6Mn precipitates, but after aged the precipitates of the cubic structure Mg2Zn11 were found. The Mg2Zn11 precipitates can act as activation centre, make the alloy pitting. But the activation of Al6Mn precipitates is very little.
MA Jingling WEN Jiuba LI Yan WANG Shunxing
School of Materials Science and Engineering, Henan University of Science and Technology,Luoyang 4710 School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471
国际会议
桂林
英文
1-7
2010-11-16(万方平台首次上网日期,不代表论文的发表时间)