在热轧后的A2合金的料锭中取一个合适大小的试样,进行研磨、抛光、电解抛光、电解腐蚀,进行扫描电镜观察和EBSD观察。
A sample of appropriate size was taken from the ingot of A2 alloy after hot-rolling, and grinding, polishing, electrolytic polishing, electrolytic corrosion were carried out. Scanning electron microscopy observation and EBSD observation were conducted.