Çeşitli Bileşim ve mikroyapılara sahip B4C-SiC kompozitlerinin termoelektrik özellikleri

Öz

Günümüzde enerji uygulamaları, çevre kirliliği, enerji tüketimi ve yenilenemeyen kaynakların orantısız kullanımı gibi küresel felaketlerin başlıca nedenlerini oluşturmaktadır. Bu nedenle, enerjinin verimli kullanımı, alternatif yenilenebilir enerji kaynakları ve çevre dostu uygulamalara yönelik araştırma ve yatırımlar büyük önem taşımaktadır. Enerji verimliliği uygulamalarında, malzemelerin ısıl kararlılığı, Seebeck katsayısı, elektriksel iletkenliği ve ısıl iletkenliği gibi termoelektrik özelliklerine özel bir dikkat gösterilmelidir. Bu uygulamalarda, B4C ve SiC gibi karbürler, yüksek sıcaklıklarda ayarlanabilir ve etkili termoelektrik özellikleri nedeniyle büyük öneme sahiptir. Bu çalışmada, B4C ve SiC esaslı çeşitli bileşimlere sahip kompozitler, bileşimdeki B4C ve SiC oranlarının ve toz veya granül matrisin etkisi yoluyla sıcaklığa bağlı (573 K – 923 K) termoelektrik özellikleri incelemek ve iyileştirmek amacıyla spark plazma sinterleme yöntemi kullanılarak üretilmiştir.

Anahtar Kelimeler

• Bor karbür
• Silisyum karbür
• Termoelektrik
• Spark plazma sinterleme
• Kompozit

Destekleyen Kurum

Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (TÜBİTAK), Eskişehir Teknik Üniversitesi

Proje Numarası

219M514, 20GAP058

Etik Beyan

Bu makalenin yazarları, bu çalışmada kullanılan malzeme ve yöntemlerin etik kurul izni ve/veya yasal–özel bir izin gerektirmediğini beyan etmektedir.

Teşekkür

Bu çalışma, Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (TÜBİTAK) (219M514) ve Eskişehir Teknik Üniversitesi Bilimsel Araştırma Projeleri (20GAP058) tarafından finansal olarak desteklenmiştir.

Thermoelectric properties of B4C-SiC composites with various compositions and microstructures

Öz

Nowadays, energy applications constitute the main causes of global problems such as environmental pollution, excessive energy consumption, and disproportionate use of non-renewable resources. Therefore, research and investments in the efficient use of energy, alternative renewable energy sources, and environmentally friendly practices are imperative. In energy efficiency applications, special attention must be paid to the thermoelectric properties of materials, including thermal stability, Seebeck coefficient, electrical conductivity, and thermal conductivity. In these applications, carbides such as B4C and SiC are of great importance due to their tunable and effective thermoelectric properties at high temperatures. In this study, B4C and SiC-based composites with various compositions were produced by using the spark plasma sintering method to examine and improve the temperature-dependent (573 K to 923 K) thermoelectric properties through the effect of the ratios of B4C and SiC within the composition and powder or granule matrix.

Anahtar Kelimeler

• Boron carbide
• Silicon carbide
• Thermoelectric
• Spark plasma sintering
• Composite

Destekleyen Kurum

The Scientific and Technological Research Council of Turkey (TUBITAK), Eskisehir Technical University

Proje Numarası

219M514, 20GAP058

Etik Beyan

The authors of this manuscript declare that the materials and methods used in this study do not require ethical committee permission and/or legal-special permission.

Teşekkür

This study was financially supported by the Scientific and Technological Research Council of Turkey (TUBITAK) (219M514) and The Eskisehir Technical University Scientific Research Projects (20GAP058).

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