An Experimental Study on Investigation of Abrasive Properties of AlB2 Borid Reinforced Aluminium Matrix Composites

Abstract

In this study, it is aimed to investigate the abrasive wear behavior of AlB2 reinforced metal matrix composites under different test conditions. When applying abrasion tests to the composite materials produced, Taguchi experimental method was used. For wear tests, matrix type, reinforcement ratio, abrasive sandig type, load and shear rate factors are discussed and test recipes are prepared base on L8 (25) orthogonal series. The wear amounts of the produced composites, were analyzed taking into consideration the weight loses. As a result of the experiments, it was concluded that the abrasive sanding type is the most effective factor on wear. However, it was found that the amount of wear increased with increasing load and the amount of wear decreased with the increase of AlB2 particules added to matrix.

Keywords

• Abrasive wear
• AlB2
• Metal matrix composites

AlB2 Borür Takviyeli Alüminyum Matrisli Kompozitlerin Abrasif Aşınma Özelliklerinin İncelenmesi Üzerine Deneysel Bir Çalışma

Öz

Bu çalışmada AlB2 takviyeli metal matrisli kompozitlerin farklı test koşulları altında abrasif aşınma davranışlarının incelenmesi amaçlanmıştır. Üretilen kompozit malzemelere aşınma testleri uygulanırken Taguchi deneysel yönteminden faydalanılmıştır. Aşınma testleri için matris tipi, takviye oranı, aşındırıcı zımpara tipi, yük ve kayma hızı faktörleri ele alınmış ve deney reçeteleri L8 (25) ortogonal serisi baz alınarak hazırlanmıştır. Üretilen kompozitlerin aşınma özellikleri ağırlık kayıpları dikkate alınarak analiz edilmiştir. Deneyler sonucunda aşındırıcı zımpara tipinin aşınma üzerine en etkili faktör olduğu sonucuna ulaşılmıştır. Bununla birlikte artan yükle birlikte aşınma miktarlarının arttığı ve matrise ilave edilen AlB2 parçacıklarının artışıyla birlikte aşınma miktarının azaldığı saptanmıştır.

Anahtar Kelimeler

• Abrasif aşınma
• AlB2
• Metal matrisli kompozitler

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