Put La_2NiO_4 and LaFe_(0.25)Ni_(0.75)O_3 ceramic respectively between two graphite electrodes and ablate them with high-power arc and then analyze the phase structure of the ceramics before and after corrosion to test the chemical stability of them.

• 将陶瓷材料放入石墨电极之间通过大功率电弧烧蚀并利用X射线衍射得到烧蚀前后陶瓷材料相结构，检验陶瓷材料高温电弧烧蚀下的化学稳定性。