지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Purpose: To investigate the corrosion inhibition effect of the natural spearmint oil extracted from Mentha Spicata plants on 304 stainless steel in different concentrations of hydrochloric acid.
Method: The anti-corrosive effect has been investigated in 0.5m, 1m and 2m HCl using weight loss test and electrochemical polarization method as a function of inhibitor concentration and immersion time in strong chloride environment. The surface morphology was analysed by scanning electron microscopy (SEM).
Results: The corrosion rate of steel decreased and inhibition efficiency increased with the increase in inhibitor concentration. Microscopic evaluation revealed significant corrosion in the specimens immersed in uninhibited conditions. Potentiodynamic polarization test results showed an increase in corrosion potential (Ecorr) and decrease in corrosion current (icorr) value with increasing concentration of inhibitor.
Conclusions: Immersion of steel in higher concentration of inhibitor resulted in greater surface coverage value and hence lesser number of surface corrosion sites/pores were formed; thus lowering the corrosion rate.
Method: The anti-corrosive effect has been investigated in 0.5m, 1m and 2m HCl using weight loss test and electrochemical polarization method as a function of inhibitor concentration and immersion time in strong chloride environment. The surface morphology was analysed by scanning electron microscopy (SEM).
Results: The corrosion rate of steel decreased and inhibition efficiency increased with the increase in inhibitor concentration. Microscopic evaluation revealed significant corrosion in the specimens immersed in uninhibited conditions. Potentiodynamic polarization test results showed an increase in corrosion potential (Ecorr) and decrease in corrosion current (icorr) value with increasing concentration of inhibitor.
Conclusions: Immersion of steel in higher concentration of inhibitor resulted in greater surface coverage value and hence lesser number of surface corrosion sites/pores were formed; thus lowering the corrosion rate.
목차
1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusion
References
참고문헌 (10)
참고문헌 신청
[학술지(정기간행물)] - Tuthill , A. H. / 1993 / Corrosion behaviour of stainless steel and high alloy weldments in aggressive oxidizing environments / Supplements to the Welding Journal
[학술지(정기간행물)] - Al-Otaibi, M. S. / 2012 / Corrosion inhibitory action of some plant extracts on the corrosion of mild steel in acidic media / Arabian Journal of Chemistry : 1 ~ 7
[학술지(정기간행물)] - Obot, I. B. / 2009 / Antifungal drugs as corrosion inhibitors for aluminium in 0.1m HCl / Corrosion Science 51 (8) : 1868 ~ 1875
[학술지(정기간행물)] - Fouda, A. S. / 2009 / Inhibition effect of 4-phenylthiazole derivatives on corrosion of 304 L stainless steel in HCl solution / Corrosion Science 51 : 868 ~ 875
[학술지(정기간행물)] - Dammisse, R. A. / 1986 / Structural analysis of phenolicglucosides from salicaceae by NMR spectroscopy / Phytochemistry 25 : 1201 ~ 1204
[학술지(정기간행물)] - Al-Otaibi, M. S. / 2012 / Corrosion inhibitory action of some plant extracts on the corrosion of mild steel in acidic media / Arabian Journal of Chemistry : 1 ~ 7
[학술지(정기간행물)] - Obot, I. B. / 2009 / Antifungal drugs as corrosion inhibitors for aluminium in 0.1m HCl / Corrosion Science 51 (8) : 1868 ~ 1875
[학술지(정기간행물)] - Fouda, A. S. / 2009 / Inhibition effect of 4-phenylthiazole derivatives on corrosion of 304 L stainless steel in HCl solution / Corrosion Science 51 : 868 ~ 875
[학술지(정기간행물)] - Dammisse, R. A. / 1986 / Structural analysis of phenolicglucosides from salicaceae by NMR spectroscopy / Phytochemistry 25 : 1201 ~ 1204
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