表面技术2017，Vol.46Issue(9)：223-228,6.DOI:10.16490/j.cnki.issn.1001-3660.2017.09.035
哈氏合金C276在溴胶混合液中的耐蚀性
Corrosin-resisting Behavior of the Hastelloy C-276 Alloy in the Bromine Glue Mixture
王秀民 1张艳茹 2郝义磊 1程孟1
作者信息
- 1. 中国石油大学(华东),山东 青岛 266580
- 2. 华北油田公司储气库管理处,河北 廊坊 065007
- 折叠
摘要
Abstract
To study the corrosion resistance, analyze the corrosion mechanism and failure mechanism of Hastelloy C-276 alloy in brominated butyl rubber solution. Weight-loss method was performed and the corrosion environment of Br-rubber mixer in brominated butyl rubber production process was simulated to research the effects of temperature, liquid bromine content, water content and rotating speed, ect. on the corrosion of Hastelloy C-276 alloy. Then Scanning electron microscope (SEM) and X-ray diffraction (XRD) tech-niques were respectively applied to characterize the corrosion morphology and corrosion products. Obtained results reveal that NiBr2, FeBr2, MoBr2, CrBr2,etc. were main corrosion products of Hastelloy C-276 alloy in the bromine-containing corrosion solution. The corrosion rate of Hastelloy C-276 alloy increased with temperature, water content, liquid bromine content and the rotating speed in-crease, which play important roles in Hastelloy C-276 alloy corrosion The corrosion mainly occurs in the form of general corrosion ac-companied with intergranular corrosion. It is concluded that severe electrochemical corrosion of Hastelloy C-276 alloy happens in bro-minated butyl rubber environment and the increase of temperature, liquid bromine content, water content and rotating speed can ob-viously enhance the corrosion rate of Hastelloy C-276 alloy. Thus, Hastelloy C-276 alloy can not sever as the main material of Br-rubber mixer in the production of brominated butyl rubber.关键词
C-276合金/液溴/耐蚀性/腐蚀形貌/腐蚀速率/腐蚀规律Key words
C-276 alloy/bromine/corrosin-resisting behavior/corrosion morphology/corrosion rate/corrosion law分类
矿业与冶金引用本文复制引用
王秀民,张艳茹,郝义磊,程孟..哈氏合金C276在溴胶混合液中的耐蚀性[J].表面技术,2017,46(9):223-228,6.
