Journals / Düzce Üniversitesi Bilim ve Teknoloji Dergisi / 2018 / Cilt: 6 - Sayı: 4

Role of β phase on Corrosion Beheviour of AZ Series Mg Alloys

AZ Serisi Mg Alaşımlarının Korozyon Davranışlarında β-Fazının Rolü

Pages
1139–1162
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

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

The results showed that the β phase in AZ series Mg alloys play two-side role; enhancing or inhibiting the corrosion depending on the size and amount of β phase.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Although there are numerous studies to understand the corrosion mechanisms of AZ series Mg alloys, the views on the role of β-phase in the corrosion of these alloys are contradictory.
📊
Key Findings & Data:This review focuces on the influence of micro alloying elements and the solidification rate on the β phase structure, affecting the corrosion of AZ series Mg alloys.
💡
Conclusion & Impact:The results showed that the β phase in AZ series Mg alloys play two-side role; enhancing or inhibiting the corrosion depending on the size and amount of β phase.
🔬Design:Review & Systematic Survey
📍Scope:Comprehensive Sample
⚙️Variables:AZ Serisi Mg Alaşımları · İntermetalik · Korozyon

Abstract

Although there are numerous studies to understand the corrosion mechanisms of AZ series Mg alloys, the views on the role of β-phase in the corrosion of these alloys are contradictory. This review focuces on the influence of micro alloying elements and the solidification rate on the β phase structure, affecting the corrosion of AZ series Mg alloys. Additionally, the oxide film-β phase relationship on the surface of the alloys also are evaluated on their corrosion properties. The results showed that the β phase in AZ series Mg alloys play two-side role; enhancing or inhibiting the corrosion depending on the size and amount of β phase. In the literature, the β phase inhibits the corrosion by barier effect or vice versa promotes corrosion by microgalvaning coupling, which are attributed to the differences in production methods and consequent β phase structure which is why some researchers have come to the contradictorily conclusions.

Özet

AZ serisi Mg alaşımlarının korozyon mekanizmalarını anlamaya yönelik literatürde birçok çalışma bulunmasınarağmen, bu alaşımların korozyonunda β fazının rolü üzerindeki görüşler çelişkilidir. Dolaysıyla bu derlemeçalışmasında, AZ serisi Mg alaşımlarının korozyonu üzerine mikro alaşımlama elementlerinin ve katılaşmahızının β fazı yapısına olan etkileri irdelenmiştir. Ayrıca, alaşımların korozyon özelliklerinde yüzeyde oluşanoksit filmi-β fazı ilişkisi de değerlendirilmiştir.Sonuçlar, AZ serisi Mg alaşımlarındaki β fazının boyutuna ve miktarına bağlı olarak hem korozyonu arttırıcıhem de engelleyici rol oynadığını göstermiştir. Literatürde, bazı araştırmacıların neden β fazının bariyer etkisi ilekorozyonu engellediğini veya bazılarının tam tersi neden β fazının mikrogalvanik çift oluşturarak galvanikkorozyonu arttırdığı konusundaki çelişkili değerlendirmelerin üretim yöntemlerinden ve buna bağlı β fazıyapısındaki farklılıklardan kaynaklandığı sonucuna varılmıştır.

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Cite This Article

CANDAN, Ş., CANDAN, E., EMİR, S., ÇİM, S. (2022). Role of β phase on Corrosion Beheviour of AZ Series Mg Alloys. Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Cilt: 6 - Sayı: 4, 1139–1162. https://ajindex.com/articles/494559

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