The investigation of mill scale utilization as a reinforcement in aluminum matrix composites

Burak Birol

Makale detayları

The investigation of mill scale utilization as a reinforcement in aluminum matrix composites

Yazarlar:

Burak Birol

Yayıncı:

Nigde Omer Halisdemir University

Ana Başlıklar:

Malzeme Üretim Teknolojileri

Dergi:

Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.12 Issue 3, pp.973-982

Belge Tipi:

Makale

Yayın Tarihi:

7/2023

Belge Dili:

İngilizce

Document ID (Org No.):

2001293273

pISSN:

2564-6605

Anahtar kelimeler:

Özet:

 Industrial waste is frequently utilized as reinforcing material in aluminum matrix composites AMC to improve their mechanical qualities. Mill Scale MS, which is mainly composed of iron oxides, is obtained during the forming process of steel. In the present study, the utilization of MS as a reinforcement material in AMC was investigated. The MS obtained from a steel mill was initially pulverized by high-energy ball milling, and the milling parameters were studied. 20 hours of milling at 800 RPM provided the finest distribution of particle sizes with a d0.5 value of 1.553 µm. The milled MS was blended with commercially pure aluminum with a ratio of 0-10 wt.  in a high-energy ball mill at 300 RPM for 60-300 min, then pressed and sintered for 2 h at 600-650 C. It was observed that increasing milling time increases the hardness and lowers the porosity of the samples and increasing the temperature up to 615C also decreases the porosity values. On the other hand, increasing reinforcement amount increases porosity up to 10 vol. , especially over 2.5 wt. . However, increasing the MS amount results in higher hardness values and lower sample wear rates because of the harder particle reinforcement.

 Industrial waste is frequently utilized as reinforcing material in aluminum matrix composites AMC to improve their mechanical qualities. Mill Scale MS, which is mainly composed of iron oxides, is obtained during the forming process of steel. In the present study, the utilization of MS as a reinforcement material in AMC was investigated. The MS obtained from a steel mill was initially pulverized by high-energy ball milling, and the milling parameters were studied. 20 hours of milling at 800 RPM provided the finest distribution of particle sizes with a d0.5 value of 1.553 µm. The milled MS was blended with commercially pure aluminum with a ratio of 0-10 wt.  in a high-energy ball mill at 300 RPM for 60-300 min, then pressed and sintered for 2 h at 600-650 C. It was observed that increasing milling time increases the hardness and lowers the porosity of the samples and increasing the temperature up to 615C also decreases the porosity values. On the other hand, increasing reinforcement amount increases porosity up to 10 vol. , especially over 2.5 wt. . However, increasing the MS amount results in higher hardness values and lower sample wear rates because of the harder particle reinforcement.

 Industrial waste is frequently utilized as reinforcing material in aluminum matrix composites AMC to improve their mechanical qualities. Mill Scale MS, which is mainly composed of iron oxides, is obtained during the forming process of steel. In the present study, the utilization of MS as a reinforcement material in AMC was investigated. The MS obtained from a steel mill was initially pulverized by high-energy ball milling, and the milling parameters were studied. 20 hours of milling at 800 RPM provided the finest distribution of particle sizes with a d0.5 value of 1.553 µm. The milled MS was blended with commercially pure aluminum with a ratio of 0-10 wt.  in a high-energy ball mill at 300 RPM for 60-300 min, then pressed and sintered for 2 h at 600-650 C. It was observed that increasing milling time increases the hardness and lowers the porosity of the samples and increasing the temperature up to 615C also decreases the porosity values. On the other hand, increasing reinforcement amount increases porosity up to 10 vol. , especially over 2.5 wt. . However, increasing the MS amount results in higher hardness values and lower sample wear rates because of the harder particle reinforcement.

 Endüstriyel atıklar, alüminyum matrisli kompozitlerin mekanik özelliklerini arttırmak için takviye partikülleri olarak yaygın şekilde kullanılmaktadır. Çeliğin şekillendirilmesi sırasında esas olarak demir oksitlerden oluşan tufaller açığa çıkmaktadır. Bu çalışmada tufalin alüminyum matrisli kompozitlerde takviye malzemesi olarak kullanımı araştırılmıştır. İlk olarak bir çelikhaneden elde edilen tufal, yüksek enerjili bilyeli öğütme ile öğütülmüş ve öğütme parametreleri incelenmiştir. En iyi parçacık boyutu dağılımı d0.51.553 μm, 800 RPMde 20 saatlik öğütmeden elde edilmiştir. Öğütülmüş tufal, ticari olarak saf alüminyum ile ağırlıkça 0-10 oranında gezegen tipi bir bilyalı değirmende 300 RPMde 60-300 dakika harmanlanmıştır, ardından preslenenerek 600-650 Cde 2 saat sinterlenmiştir. Öğütme süresinin artmasının numunelerin sertliğini arttırıp gözenekliliğini azalttığı, sıcaklığın artmasının da gözeneklilik değerlerini 615Cye kadar azalttığı görülmüştür. Öte yandan, artan takviye miktarı gözenekliliği, özellikle ağırlıkça 2.5in üzerinde, hacimce 10a kadar artırmaktadır. Ancak daha sert tane takviye miktarı nedeniyle tufal miktarının artması sertlik değerlerini artırmakta ve numunelerin aşınma oranlarını düşürmektedir.

Makale detayları

The investigation of mill scale utilization as a reinforcement in aluminum matrix composites

Yazarlar:

Burak Birol

Yayıncı:

Nigde Omer Halisdemir University

Ana Başlıklar:

Malzeme Üretim Teknolojileri

Dergi:

Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.12 Issue 3, pp.973-982

Belge Tipi:

Makale

Yayın Tarihi:

7/2023

Belge Dili:

İngilizce

Document ID (Org No.):

2001293273

pISSN:

2564-6605

Alüminyum Matrisli Kompozitler

Tufal

Yüksek Enerjili Bilyalı Öğütme

Sertlik

AşınmaAlüminyum Matrisli Kompozitler

Tufal

Yüksek Enerjili Bilyalı Öğütme

Sertlik

Sayı

Makale detayları

Yazarlar: Burak Birol

Yayıncı: Nigde Omer Halisdemir University

Ana Başlıklar: Malzeme Üretim Teknolojileri

Dergi: Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.12 Issue 3, pp.973-982

Belge Tipi: Makale

Yayın Tarihi: 7/2023

Belge Dili: İngilizce

Document ID (Org No.): 2001293273

pISSN: 2564-6605

Sayı

Yazarlar:

Burak Birol

Yayıncı:

Nigde Omer Halisdemir University

Ana Başlıklar:

Malzeme Üretim Teknolojileri

Dergi:

Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.12 Issue 3, pp.973-982

Belge Tipi:

Makale

Yayın Tarihi:

7/2023

Belge Dili:

İngilizce

Document ID (Org No.):

2001293273

pISSN:

2564-6605