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Journals / Düzce Üniversitesi Bilim ve Teknoloji Dergisi / 2020 / Cilt: 8 - Sayı: 1

The Investigation of Electrochemical Corrosion Behaviour of Fe Matrix Composites at Room and Elevated Temperatures

Fe Matrisli Kompozitlerin Oda ve Yüksek Sıcaklıklardaki Elektrokimyasal Korozyon Davranışının İncelenmesi

Mehmet Akif ERDEN
Fatih AYDIN
Pages
418–427
Publication Date
2022-10-12
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Also, the effect of reinforcement particulates leads to deteriorate corrosion resistance of pure Fe due to the presence of galvanic reactions.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, pure Fe and Fe matrix composites (5 wt. % nano-Al2O3, 5 wt. % micron-B4C and 2.5 wt. % nano-Al2O3-2.5 wt. % micron-B4C) were manufactured via powder metallurgy.
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Key Findings & Data:The electrochemical corrosion behaviour of the samples in a 3.5 wt. % NaCl solution was studied using potentiodynamic polarization at 25, 50 and 75 ºC.
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Conclusion & Impact:Also, the effect of reinforcement particulates leads to deteriorate corrosion resistance of pure Fe due to the presence of galvanic reactions.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Fe matrisli kompozitler · korozyon · galvanik reaksiyon

Abstract

In this study, pure Fe and Fe matrix composites (5 wt. % nano-Al2O3, 5 wt. % micron-B4C and 2.5 wt. % nano-Al2O3-2.5 wt. % micron-B4C) were manufactured via powder metallurgy. The density and phase analysis of the produced samples were performed. The electrochemical corrosion behaviour of the samples in a 3.5 wt. % NaCl solution was studied using potentiodynamic polarization at 25, 50 and 75 ºC. The corrosion rate of the samples significantly increased with increasing test temperature. Also, the effect of reinforcement particulates leads to deteriorate corrosion resistance of pure Fe due to the presence of galvanic reactions.

Özet

Bu çalışmada, saf Fe ve Fe matrisli kompozitler (% 5ağ. nano-Al2O3, %5ağ. mikron-B4C ve %2.5 ağ. nano-Al2O3-2.5 ağ. % mikron-B4C) toz metalurjisi ile üretilmiştir. Üretilen numunelerin yoğunluk ölçümleri ve faz analizleri gerçekleştirilmiştir. Numunelerin elektrokimyasal korozyon davranışı 25, 50 ve 75 ºC’de %3.5NaCl çözeltisi içinde potansiyodinamik polarizasyon ile gerçekleştirilmiştir. Numunelerin korozyon hızları artan test sıcaklığıyla önemli ölçüde artmıştır. Ayrıca, takviye partikülleri galvanik reaksiyonlar sebebiyle saf Fe’in korozyon dayanımını kötüleştirmiştir.

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Cite This Article

ERDEN, M. A., AYDIN, F. (2022). The Investigation of Electrochemical Corrosion Behaviour of Fe Matrix Composites at Room and Elevated Temperatures. Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Cilt: 8 - Sayı: 1, 418–427. https://ajindex.com/articles/494104

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