Journals / Politeknik Dergisi / 2009 / Cilt: 12 Sayı: 3

Effect of Reinforcement Ratio on Infiltration Behavior in Vacuum Infiltration of MgO-Al Composites With Lower Reinforcement

Düşük Takviyeli MgO-Al Kompozitlerin Vakumlu İnfiltrasyonunda Takviye Oranının İnfiltrasyon Davranışına Etkisi

Pages
173–177
Publication Date
2009-09-01
DOI
—
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AI Summary & Key Takeaways

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

Increasing matrix temperature also facilitates infiltration

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, MgO powders, with particle size 149 µm were filled in steel tubes with 5 %, 10 %, 15 % volume fraction of reinforcement and liquid matrix alloy was vacuum infiltrated into MgO compact under same vacuum condition 550 mmHg, same time 5 min and at different temperatures and volume fraction of reinforcement.
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Key Findings & Data:It has been found that infiltration distance and fracturestrength were decreased with increasing volume fraction of reinforcement.
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Conclusion & Impact:Increasing matrix temperature also facilitates infiltration
🔬Design:Makale
📍Scope:Comprehensive Sample
⚙️Variables:Kompozitler · İnfiltrasyon · MgO

Abstract

In this study, MgO powders, with particle size 149 µm were filled in steel tubes with 5 %, 10 %, 15 % volume fraction of reinforcement and liquid matrix alloy was vacuum infiltrated into MgO compact under same vacuum condition 550 mmHg, same time 5 min and at different temperatures and volume fraction of reinforcement. Infiltration distance was measured and microstructure and fracture behavior of composite was investigated. It has been found that infiltration distance and fracturestrength were decreased with increasing volume fraction of reinforcement. Increasing matrix temperature also facilitates infiltration

Özet

Bu çalışmada 149 µm parçacık büyüklüğündeki MgO tozları % 5, 10, 15 takviye-hacim oranı oluşturacak şekilde çelik tüp içersine serbest halde yerleştirilmiştir. Farklı sıcaklıklarda 550 mmHg vakum ve 5 dakika süre ile %5 Mg ihtiva eden Al alaşımı ile infiltrasyon deneyleri yapılmış ve kompozitlerin infiltrasyon mesafeleri, gözenek miktarları, mikroyapıları ve kırılma davranışları incelenmiştir. Artan takviye hacim oranı ile infiltrasyon mesafesi ve kırılma dayanımının azaldığı, gözenek miktarının ise arttığı belirlenmiştir. Artan infiltrasyon sıcaklıkları infiltrasyon mesafesini arttırırken, kompozitlerin gözenek miktarlarını azalttığı tespit edilmiştir.

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Cite This Article

Pul, M., Çalın, R., Çıtak, R., Şeker, U. (2009). Effect of Reinforcement Ratio on Infiltration Behavior in Vacuum Infiltration of MgO-Al Composites With Lower Reinforcement. Politeknik Dergisi, Cilt: 12 Sayı: 3, 173–177. https://ajindex.com/articles/1303036

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