By comparing with X practice (ferrite sulfate sulfuric acid corrosion test),the oxalic acid test was proved to be a right,swift and sensitive test to evaluate the material susceptibility to interanular attack.

• 试验结果与 X-试验( Fe2 ( SO4) 3- H2 SO4腐蚀试验 )比较得出草酸腐蚀方法是一种正确、快速而灵敏的检测材料晶间腐蚀的手段 .