Electrolytic corrosion method and application of austenitic stainless steel

The invention relates to an electrolytic corrosion method and application of austenitic stainless steel, and relates to the technical field of metallographic detection. The electrolytic corrosion method comprises the following steps that an electrolytic corrosion solution is prepared, wherein a nitric acid aqueous solution with the nitric acid concentration of 7.5 mol/L-10.0 mol/L is prepared; and electrolytic corrosion is carried out, wherein the austenitic stainless steel serves as an anode, a stainless steel plate serves as a cathode, and the austenitic stainless steel and the stainless steel plate are put into the nitric acid aqueous solution to be subjected to electrolytic corrosion. By the adoption of the above electrolytic corrosion method, the austenitic stainless steel can show grain boundaries and does not show twin crystals, and then the grain structure of the austenitic stainless steel can be clearly, completely and accurately shown. 本发明涉及一种奥氏体不锈钢的电解腐蚀方法及其应用，涉及金相检测技术领域。该电解腐蚀方法包括以下步骤：配制电解腐蚀液，配制硝酸浓度