Effect of Magnesium Additions on Composites with Al and Al – 12% Si Matrices Strengthened with B4C and Prepared by Infiltration Under Pressure


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Abstract

Metallographic and x-ray phase analyses are used for metal-matrix composites Al – B4C and (Al – 12% Si) – B4C with a volume fraction of 60% boron carbide prepared by infiltrating a pressed workpiece with metal under pressure. It is shown that with introduction of 1 to 4% Mg into a metal matrix composite porosity is reduced from 7 to 1%.

About the authors

E. Çevik

Metallurgical and Materials Engineering, Engineering Faculty, Karabük University

Email: ysun@karabuk.edu.tr
Turkey, Karabük

Y. Sun

Metallurgical and Materials Engineering, Engineering Faculty, Karabük University

Author for correspondence.
Email: ysun@karabuk.edu.tr
Turkey, Karabük

H. Ahlatci

Metallurgical and Materials Engineering, Engineering Faculty, Karabük University

Email: ysun@karabuk.edu.tr
Turkey, Karabük

Y. Turen

Metallurgical and Materials Engineering, Engineering Faculty, Karabük University

Email: ysun@karabuk.edu.tr
Turkey, Karabük

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