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Journals / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi / 2026 / Cilt: 27 Sayı: 1

JOINING OF MICROWAVE SINTERED Fe-26Al, Fe-30Al, Fe-26Al-14Ti AND Fe30Al-14Ti POWDER MIXTURES BY DIFFUSION BONDING USING Cu INTERLAYER

MİKRODALGA İLE SİNTERLENMİŞ Fe-26Al, Fe-30Al, Fe-26Al-14Ti ve Fe-30Al-14Ti TOZ KARIŞIMLARININ Cu ARATABAKALI DİFÜZYON KAYNAĞI İLE BİRLEŞTİRİLMESİ

Mehmet Çakmakkaya
Şükrü Talaş
Pages
91–98
Publication Date
2013-02-19
DOI
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AI Summary & Key Takeaways

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

Elemental distribution analysis on these zones was also made in order to predict the chemical reactions and their kinetics in the diffusion bonded area.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the joinability by diffusion bonding of Fe26Al, Fe26Al14Ti, Fe30Al and Fe30Al14Ti elemental powder mixtures microwave sintered at 550○ C for 1 hr have been investigated by using electrolytic Cu interlayer.
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Key Findings & Data:Following the sintering, the ordered B2(FeAl) phase was observed in the specimens Fe30Al and Fe30Al14Ti, however, another type of ordered phase of D03(Fe3Al) which is found in Fe-Al alloys was not detected in any of the powder mixtures examined in this study.
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Conclusion & Impact:Elemental distribution analysis on these zones was also made in order to predict the chemical reactions and their kinetics in the diffusion bonded area.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Toz metalurjisi · Mikrodalga sinterleme · Difüzyon kaynağı

Abstract

In this study, the joinability by diffusion bonding of Fe26Al, Fe26Al14Ti, Fe30Al and Fe30Al14Ti elemental powder mixtures microwave sintered at 550○ C for 1 hr have been investigated by using electrolytic Cu interlayer. Following the sintering, the ordered B2(FeAl) phase was observed in the specimens Fe30Al and Fe30Al14Ti, however, another type of ordered phase of D03(Fe3Al) which is found in Fe-Al alloys was not detected in any of the powder mixtures examined in this study. Diffusion bonding was carried out at 550○ C for 1 hr and it was shown that, based on the results from shear testing applied on the weld zone of diffusion bonded specimens, shear stresses of the specimens diffusion bonded by using Cu interlayer are independent of composition. The average shear stress was measured to be 23 MPa. Scanning electron microscopy (SEM) studies revealed that a diffusion zone was observed within elemental powders of Fe, Al and Ti that form the mixtures and in Cu interlayer that is in contact with these elements. Elemental distribution analysis on these zones was also made in order to predict the chemical reactions and their kinetics in the diffusion bonded area.

Özet

Bu çalışmada, mikrodalga sinterleme yöntemi ile 550 ○C de 1 saat süreyle sinterlenmiş Fe-26Al, Fe-30Al, Fe-26Al-14Ti ve Fe-30Al-14Ti toz karışımlarının, elektrolitik bakır aratabaka kullanılarak difüzyon kaynağıyöntemiyle birleştirilebilirliği araştırılmıştır. Sinterleme sonrası Fe-30Al ve Fe-30Al-14Ti karışımlarındaB2(FeAl) düzen kristal yapısının oluştuğu ancak Fe ve Al alaşımlarında ortaya çıkan diğer bir düzen kristalyapısı olan D03(Fe3Al) kristal yapının oluşmadığı gözlemlenmiştir. Difüzyon kaynağı, 550○C de 1 saat beklemesüresi ile gerçekleştirilmiş ve kaynak bölgesine uygulanan kesme dayanım testleri sonucunda, Cu aratabakalıdifüzyon kaynağı ile birleştirilen numunelerin kesme mukavemetlerinin bileşimden bağımsız olduğubulunmuştur. Ortalama kesme dayanım değerleri 23 MPa olarak ölçülmüştür. Karışımı oluşturan Fe, Al ve Titozlarının kendi arasında ve bu tozların temas halinde olduğu Cu aratabaka ile yayınım reaksiyonuna girdiği,SEM çalışması sonucunda görülmüştür. Bu bölgelerde element dağılım analizi yapılarak kimyasal reaksiyonlarve difüzyon kinetiği hakkında bilgi elde edilmiştir.

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Cite This Article

Çakmakkaya, M., Talaş, Ş. (2013). JOINING OF MICROWAVE SINTERED Fe-26Al, Fe-30Al, Fe-26Al-14Ti AND Fe30Al-14Ti POWDER MIXTURES BY DIFFUSION BONDING USING Cu INTERLAYER. Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, Cilt: 27 Sayı: 1, 91–98. https://ajindex.com/articles/1078472

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