The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304

doi:10.11890/1006-7191-103-161

Acta Metallurgica Sinica (English Letters) ›› 2010, Vol. 23 ›› Issue (3): 161-170.DOI: 10.11890/1006-7191-103-161

• 研究论文 • 下一篇

The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304

Sanam Atashin,Mahmood Pakshir,Arash Yazdani

department of materials science and engineering,Shiraz university,Shiraz,Iran

收稿日期:2009-11-02 修回日期:2010-02-03 出版日期:2010-06-25 发布日期:2010-10-14
通讯作者: Sanam Atashin

The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304

Sanam ,Mahmood ,Arash

department of materials science and engineering,Shiraz university,Shiraz,Iran

Received:2009-11-02 Revised:2010-02-03 Online:2010-06-25 Published:2010-10-14
Contact: Sanam

摘要/Abstract

摘要： In this article the corrosion rate of the austenitic stainless steel type 304, under the synergistic effect of environmental factors has been assessed via potentiodynamic polarization scan. Salinity, velocity, pH and temperature are the factors which induce effects on the corrosion rate of the considered metal. Quantitative analysis is applied using the full two-level factorial experimental design method, which results in the contribution value of each parameter in changing the quantity of average corrosion rate in both individual and synergistic cases. Besides this quantitative analysis, qualitative analysis has been used to predict the variation direction. These two analyses show the important role of the synergistic action, which changes the variation direction of corrosion rate and the contribution percentage of each parameter in varying the value of corrosion rate. Applying both these analyses can show the magnitude and quality of each parameter’s effect, which is remarkably valuable in marine applications.

关键词: stainless steel 304, environmental parameters, seawater corrosion, synergistic effect

Abstract: In this article the corrosion rate of the austenitic stainless steel type 304, under the synergistic effect of environmental factors has been assessed via potentiodynamic polarization scan. Salinity, velocity, pH and temperature are the factors which induce effects on the corrosion rate of the considered metal. Quantitative analysis is applied using the full two-level factorial experimental design method, which results in the contribution value of each parameter in changing the quantity of average corrosion rate in both individual and synergistic cases. Besides this quantitative analysis, qualitative analysis has been used to predict the variation direction. These two analyses show the important role of the synergistic action, which changes the variation direction of corrosion rate and the contribution percentage of each parameter in varying the value of corrosion rate. Applying both these analyses can show the magnitude and quality of each parameter’s effect, which is remarkably valuable in marine applications.

Key words: stainless steel 304, environmental parameters, seawater corrosion, synergistic effect

Sanam Atashin Mahmood Pakshir Arash Yazdani. The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304[J]. Acta Metallurgica Sinica (English Letters), 2010, 23(3): 161-170.

Sanam ,Mahmood ,Arash. The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304[J]. Acta Metallurgica Sinica (English Letters), 2010, 23(3): 161-170.

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The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304

The synergistic effect of seawater's parameters on the corrosion rate of the austenitic stainless steel 304

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