Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING

Kerim Emre ÖKSÜZ (Sivas Cumhuriyet Üniversitesi, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümü, Sivas, Türkiye)
Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi
6 0
Yıl: 2023 Cilt: 10 Sayı: 20 Sayfa Aralığı: 125 - 134 Metin Dili: İngilizce DOI: 10.54365/adyumbd.1287821 İndeks Tarihi: 11-09-2023

Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING

Öz:
Production of copper (Cu) composites with a reinforced Cu matrix using mechanical alloying with Aluminum oxide (Al2O3) particles of different sizes was achieved using high-energy ball milling procedure. The initial materials consisted of inert gas-atomized spherical electrolytic Cu powders containing 0.5 wt. % commercial Al2O3 powders, with particle sizes ranging from 10 µm to 1 µm. Cu powders with different particle sizes of Al2O3 were high-energy ball milled at 500 rpm for 3 hours to attain a consistent distribution of Al2O3 throughout in the Cu matrix. The powders that were high-energy ball milled were then subjected to cold-pressing at 500 MPa and isothermally sintered for 1.5 hours at 880°C in an Ar atmosphere. The fabricated copper composite materials were characterized using X-ray diffraction analysis (XRD), field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDXS), density and macrohardness tests. The wear properties and mechanism were investigated through tribological pin-on-disc experiments, which revealed that the reinforcing effect was more significant when finely dispersed Al2O3 particles were combined into the Cu matrix compared to coarse Al2O3 particles.
Anahtar Kelime: Al2O3 particles Characterization Copper composite High energy milling Powder metallurgy

YÜKSEK ENERJİLİ ÖĞÜTME İLE ÜRETİLEN Al2O3 TAKVİYELİ CU KOMPOZİTLERDE PARÇACIK BOYUTUNUN ETKİSİ

Öz:
Farklı tane boyutuna sahip alüminyum oksit (Al2O3) parçacıklarıyla güçlendirilerek, mekanik alaşımlandırılmış bakır (Cu) matris malzemeler yüksek enerjili öğütme işlemi ile başarılı bir şekilde üretilmiştir. Başlangıç malzemeleri, 10 µm ve 1 µm arasında değişen parçacık boyutlarına sahip ağırlıkça % 0,5 ticari Al2O3 tozları ve inert gaz atomize küresel elektrolitik Cu tozlarından oluşmaktadır. Farklı tane boyutlarına sahip Al2O3 ve Cu tozları, Cu matrisinde homojen bir Al2O3 dağılımı elde etmek için 500 rpm'de 3 saat boyunca yüksek enerjili öğütme işlemine tabi tutulmuştur. Öğütülen tozlar daha sonra 500 MPa basınçta soğuk preslenmiş ve 880°C'de 1,5 saat süreyle izotermal koşullar altında argon atmosferinde sinterlenmiştir. Üretilen bakır kompozit malzemeler, X-ışını kırınım analizleri (XRD), yüksek alan emisyon taramalı elektron mikroskopu (FEG-SEM), enerji dağılımlı X-ışını spektroskopisi (EDS), yoğunluk ve makro-sertlik testleri kullanılarak karakterize edilmiştir. Aşınma özelliklerini araştırmak için disk üstünde pim tribometre kullanılarak tribolojik testleri yapılmıştır. Deneysel sonuçlar, ince dağılmış Al2O3 partiküllerinin Cu matrisine dâhil edilmesinin, kaba Al2O3 partiküllerinden daha önemli bir güçlendirme etkisine sahip olduğunu göstermiştir.
Anahtar Kelime: Al2O3 partikülleri Bakır kompozit Karakterizasyon Yüksek enerjili öğütme Toz metalurjisi

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA ÖKSÜZ K (2023). Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. , 125 - 134. 10.54365/adyumbd.1287821
Chicago ÖKSÜZ Kerim Emre Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. (2023): 125 - 134. 10.54365/adyumbd.1287821
MLA ÖKSÜZ Kerim Emre Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. , 2023, ss.125 - 134. 10.54365/adyumbd.1287821
AMA ÖKSÜZ K Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. . 2023; 125 - 134. 10.54365/adyumbd.1287821
Vancouver ÖKSÜZ K Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. . 2023; 125 - 134. 10.54365/adyumbd.1287821
IEEE ÖKSÜZ K "Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING." , ss.125 - 134, 2023. 10.54365/adyumbd.1287821
ISNAD ÖKSÜZ, Kerim Emre. "Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING". (2023), 125-134. https://doi.org/10.54365/adyumbd.1287821
APA ÖKSÜZ K (2023). Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi, 10(20), 125 - 134. 10.54365/adyumbd.1287821
Chicago ÖKSÜZ Kerim Emre Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi 10, no.20 (2023): 125 - 134. 10.54365/adyumbd.1287821
MLA ÖKSÜZ Kerim Emre Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi, vol.10, no.20, 2023, ss.125 - 134. 10.54365/adyumbd.1287821
AMA ÖKSÜZ K Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi. 2023; 10(20): 125 - 134. 10.54365/adyumbd.1287821
Vancouver ÖKSÜZ K Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING. Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi. 2023; 10(20): 125 - 134. 10.54365/adyumbd.1287821
IEEE ÖKSÜZ K "Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING." Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi, 10, ss.125 - 134, 2023. 10.54365/adyumbd.1287821
ISNAD ÖKSÜZ, Kerim Emre. "Al2O3 PARTICLE SIZE EFFECT ON REINFORCED CU COMPOSITES PRODUCED BY HIGH ENERGY MILLING". Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi 10/20 (2023), 125-134. https://doi.org/10.54365/adyumbd.1287821
Sayfa Oluşturulma Tarihi
24-04-2024 9:5

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