醋酸环境下金属材料腐蚀行为的研究进展

刘明明, 杨小兵, 陈晓琪, 王政彬, 郑玉贵, 贺春林

Research Progress on Corrosion Behavior of Metallic Materials in Acetic Acid Environment

LIU Mingming, YANG Xiaobing, CHEN Xiaoqi, WANG Zhengbin, ZHENG Yugui, HE Chunlin

表1 不锈钢在不同醋酸溶液中的腐蚀速率

Table 1 Corrosion rates of stainless steel in acetic acid solutions (mm·a-1 )

Material 90% HAc (boiling) 50% HAc+10% HCOOH (boiling) 50%HAc+25% HCOOH (boiling) 50%HAc+50% HCOOH (boiling) HAc:Cl-=1:1 (70 ℃) HAc:Cl-=2:1 (boiling) HAc+Br-(80 ℃) 304 0.5-1.0 ＞0.1 --- --- ＜0.1 0.1-1.0 2.05 316L 0.01-0.1 0.1-1.0 0.1-1.0 --- ＜0.1 ＜0.1 1.67 2205 --- ＜0.1 0.1-1.0 0.1-1.0 ＜0.1 ＜0.1 Pitting 904L --- --- 0.1-1.0 0.1-1.0 ＜0.1 ＜0.1 0.47 254SMO --- ＜0.1 ＜0.1 ＜0.1 ＜0.1 ＜0.1 0.36