酸性环境下1Cr11Ni2W2MoV钢腐蚀防护研究  

Study on Corrosion Protection of 1Cr11Ni2W2MoV Steel in Acid Environment

作　　者：张林嘉 王江 张安琴 高军 尹翔 肖钦夤 ZHANG Lin-jia;WANG Jiang;ZHANG An-qin;GAO Jun;YIN Xiang;XIAO Qin-yin(Military Representative Office of Guangzhou Bureau of Naval Equipment Department in Guiyang,Guiyang 550081,China;China AECC Guiyang Engine Design Research Institute,Guiyang 550081,China)

机构地区：[1]海装广州局贵阳军代室,贵州贵阳550081 [2]中国航发贵阳发动机设计研究所,贵州贵阳550081

出　　处：《全面腐蚀控制》2024年第10期200-204,共5页Total Corrosion Control

摘　　要：海洋环境中的高温、高湿、高盐雾等为舰载航空发动机带来了严重的腐蚀风险。1Cr11Ni2W2MoV不锈钢具有良好的力学性能和抗氧化性能,是某型舰载航空发动机紧固件重要的选用材料,然而1Cr11Ni2W2MoV对Cl-非常敏感,海洋环境下极易发生腐蚀。本文对1Cr11Ni2W2MoV不锈钢表面镀Cu-Ni-Cr、化学镀镍、镀Cd和涂覆TWL-12(底层)+TWL-20(面层)四种状态的试样进行了192h酸性盐雾、680h酸性大气试验。结果表明;镀Cu-Ni-Cr、化学镀镍在酸性盐雾试验后均出现小面积的的腐蚀现象;而镀Cd在酸性盐试验后仅出现变色,未出现明显腐蚀现象;涂覆TWL-12(底层)+TWL-20(面层)在酸性盐雾和酸性大气试验后均未出现明显变化,表现出良好的耐酸性盐雾和酸性大气性能。High temperature,high humidity,and high salt fog in marine environment bring serious corrosion risk to Shipborne Aeroengine.1Cr11Ni2W2MoV stainless steel has good mechanical properties and oxidation resistance,which is an important material for a certain type of Shipborne Aeroengine.However,1Cr11Ni2W2MoV is very sensitive to Cl-,and it is very easy to corrode in the marine environment.In this paper,the samples of 1Cr11Ni2W2MoV stainless steel with Cu-Ni-Cr plating、nickel plating、Cd plating and TWL-12+TWL-20 coating were carried out for 192h acid salt spray,680h acid atmosphere.The result shows that Cu-Ni-Cr plating、nickel plating samples show small area corrosion after acid salt spray,while Cd plating samples show only discoloration and no obvious corrosion after the acid salt spray test,TWL-12+TWL-20 coating has no obvious change after the test,showing good corrosion resistance.

关 键 词：1Cr11Ni2W2MoV不锈钢 腐蚀 酸性盐雾 酸性大气 

分 类 号：TQ051.21[化学工程]