四种飞机起落架用钢在模拟海水中的腐蚀行为研究

赵连红, 王英芹, 刘元海, 何卫平, 王浩伟

Corrosion Behavior of Four Steels for Landing Gear of Amphibious Aircraft in Simulated Seawater

ZHAO Lianhong, WANG Yingqin, LIU Yuanhai, HE Weiping, WANG Haowei

表4 4种钢的横截面EDS结果中的元素含量

Table 4 Element content in EDS results for cross sections of four steels (atomic fraction / %)

Material C O Fe Ca Cl Si Cr Mn Ni Co 30CrMnSiA steel 60.8 20.6 14.4 3.8 0.1 0.3 - - - - 30CrMnSiNi2A steel 54.5 15.0 25.7 3.2 0.1 0.6 0.1 0.8 - - 300M steel 59.8 17.1 17.7 4.0 0.1 0.5 0.5(Mg) - 0.3 - A100 steel 54.5 16.6 16.1 6.0 - 0.3(Na) 0.7 - 2.1 3.3