Microstructure and Wear of a Sintered Composite with a Magnesium Alloy AZ91 Matrix Reinforced with ZrO2 Particles

被引：0
|
作者：
Fatih Aydin
Yavuz Sun
机构：
[1] Karabuk University,Department of Metallurgy and Materials Engineering
来源：
Metal Science and Heat Treatment | 2019年 / 61卷
关键词：
powder metallurgy; composites; wear resistance; microstructure; magnesium alloy; reinforcing particles;
D O I：
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学科分类号：
摘要：
Scanning electron microscopy and x-ray diffractometry are used to study the microstructure, hardness, density and the wear resistance of sintered composites with a magnesium alloy AZ91 matrix reinforced with ZrO2 particles prepared using hot pressing. It is shown that ZrO2 particles are agglomerated in any condition. In addition to zirconia, the structure contains Mg and Mg17Al12. Particles of ZrO2facilitate an increase in hardness and whose oxidation and abrasive mechanisms predominate.
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页码：325 / 329
页数：4
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