STEEL CORROSION IN SIMULATED BIOFILM ENVIRONMENT IN SEAWATER (Ⅰ) INFLUENCE OF SIMULATED BIOFILM ON METAL CORROSION IN SEAWATER ENVIRONMENT

WANG Qingfei; SUI Jing; WAN Xiaoshan; SONG Shizhe

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STEEL CORROSION IN SIMULATED BIOFILM ENVIRONMENT IN SEAWATER (Ⅰ) INFLUENCE OF SIMULATED BIOFILM ON METAL CORROSION IN SEAWATER ENVIRONMENT

更新时间：2025-12-10

- STEEL CORROSION IN SIMULATED BIOFILM ENVIRONMENT IN SEAWATER (Ⅰ) INFLUENCE OF SIMULATED BIOFILM ON METAL CORROSION IN SEAWATER ENVIRONMENT
- CIESC Journal Issue 9, (2001)
- 作者机构：
  
  天津大学材料学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 2001，
  
  Published：25 September 2001
- 稿件说明：
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WANG Qingfei, SUI Jing, WAN Xiaoshan, et al. STEEL CORROSION IN SIMULATED BIOFILM ENVIRONMENT IN SEAWATER (Ⅰ) INFLUENCE OF SIMULATED BIOFILM ON METAL CORROSION IN SEAWATER ENVIRONMENT[J]. CIESC Journal, 2001, (9).
DOI：

WANG Qingfei, SUI Jing, WAN Xiaoshan, et al. STEEL CORROSION IN SIMULATED BIOFILM ENVIRONMENT IN SEAWATER (Ⅰ) INFLUENCE OF SIMULATED BIOFILM ON METAL CORROSION IN SEAWATER ENVIRONMENT[J]. CIESC Journal, 2001, (9). DOI：

摘要

根据生物膜的结构特征

以含羧酸官能团的 β -D -甘露糖醛酸单元等构成的天然高分子多糖凝胶沉积于电极表面

形成模拟生物膜

初步建立起模拟微生物腐蚀环境的实验方法 .采用极化曲线及电化学阻抗谱等电化学方法研究了A3钢、 10CrMoAl和E2低合金钢及 1Cr18Ni9不锈钢等材料的腐蚀电化学行为

并首次用环境扫描电镜 (E -SEM )表征了附着生物膜金属材料表面 .模拟微生物环境的方法可为揭示复杂的海水环境早期腐蚀过程中微生物因素的作用提供信息

Abstract

Biofilm is one of the main factors that influence metal corrosion in seawater environment.According to the structure and property of biofilm

a natural biopolymer gel

Calcium Alginate

an extracellular biopolymer containing carboxylate functional groups

was deposited on metal surfaces to form films.Simulated biofilm environment was produced.Corrosion behavior of carbon steel A3

low-alloyed steel E2

10CrMoAl and 1Cr18Ni9 stainless steel was studied by various electrochemical method

including measurements of corrosion potential

polarization curves

and electrochemical impedance spectra.Film coated sample surface was characterized by ESEM.The results show that such an approach is informative to reveal “how” and “to what extent” biofilm influences metal corrosion process during intial biofilm forming stage.

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