乙二醇冷却液的劣化检测及增材制造AlSi10Mg铝合金在其中的腐蚀行为

雷涛, 陈绍高, 刘秀利, 范金龙, 郑兴文

Corrosion Behavior of Laser Additive Manufacturing AlSi10Mg Al-alloy in Ethylene Glycol Coolant and Detection of Coolant Degradation

LEI Tao, CHEN Shaogao, LIU Xiuli, FAN Jinlong, ZHENG Xingwen

表1 铝合金试样在恒温油浴实验不同时间后的能谱分析结果

Table 1 EDS results of aluminum alloy specimen after constant temperature test for different time (mass fraction / %)

Elements 0 d 30 d 60 d 90 d 120 d 150 d 180 d C - - 21.66 16.47 19.44 37.93 62.60 O 32.66 33.29 23.66 29.16 27.90 19.44 13.71 Na - - - 0.25 0.29 0.22 0.21 Al 55.95 57.25 48.47 46.73 45.75 37.18 20.56 Si 11.39 8.39 5.73 6.17 5.64 4.35 2.30 P - 1.07 0.48 0.75 0.67 0.48 0.36 Ca - - - 0.46 0.31 0.40 0.27