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GÖZENEK OLUŞTURUCU İLAVESİYLE TÜRBİN MOTOR BİLEŞENLERİ İÇİN GÖZENEKLİ MÜLLİT SERAMİK ÜRETİMİ

Authors: EREN GÜLTEKİN, Elif; TOPATEŞ, Gülsüm;

GÖZENEK OLUŞTURUCU İLAVESİYLE TÜRBİN MOTOR BİLEŞENLERİ İÇİN GÖZENEKLİ MÜLLİT SERAMİK ÜRETİMİ

Abstract

Mullit, dusuk isil genlesme, dusuk isil iletkenlik, mukemmel surunme direnci, yuksek sicaklik mukavemeti ve iyi kimyasal kararlilik gibi ozellikleri nedeniyle ileri teknoloji yapisal ve fonksiyonel seramikler icin kullanilan bir malzemedir. Havacilik sektorunde kullanilan metal malzemelerin veya gelecekte kullanim potansiyeli bulunan Si 3 N 4 , SiC gibi seramiklerin mullit esasli seramikler ile kaplanmasina yonelik calismalar yapilmaktadir. Bu calismada, turbin motor bilesenleri icin kaplama malzemesi olarak kullanilabilecek gozenekli mullit seramikler, kismi sinterleme ve gozenek olusturucu ilavesiyle uretilmistir. PMMA (polimetilmetaakrilat) kureleri ve karbamit gozenek olusturucu olarak eklenmis, gozenek tipinin ve buyuklugunun etkileri arastirilmistir. Iki farkli tane boyutunda PMMA ve karbamit olmak uzere uc farkli gozenek olusturucu hacimce % 5 oraninda kullanilmistir. Ortalama tane boyutu PMMA kureleri icin 40 ve 400 µm, karbamit icin ise 1000 µm’dir. Uretilen numunelerin gozenegi % 30-40 arasinda degisirken, gozenek buyuklugu gozenek olusturucu tipine bagli olarak 1-500 µm arasinda olculmustur. Numunelerin elastisite modulu ultrasonik yontemle olculmus, mikroyapisal gelisimi taramali elektron mikroskobu (SEM) ile incelenmis, gozenek buyuklugu ve dagilimi civa porozimetresi ile belirlenmistir.

Country
Turkey
Keywords

Porous mullite;PMMA;carbamide;ultrasonic;turbine engine component, Material Production Technologies, Malzeme Üretim Teknolojileri, Gözenekli müllit;PMMA;karbamit;ultrasonik karakterizasyon;türbin motoru bileşeni

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold
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Energy Research