Paper Title:
Effect of Mg Content in Matrix on Infiltration Height in Producing MgO/Al Composite by Vacuum Infiltration Method
  Abstract

Vacuum infiltration is one of the composite production method. Reinforcement volume ratio, vacuum value, molten matrix composition and temperature, infiltration atmosphere and time are important parameters in infiltration of molten metal into preformed reinforcement. In this study, MgO powder and Al were used as reinforcement and matrix respectively. Mixture of MgO and Al powders with –105 μm particle size were filled in quartz tubes freely to form 30 % reinforcement volume ratio. Liquid pure Al with varying Mg contents were vacuum infiltrated into the MgO powder under 550 mmHg vacuum at two different temperatures in normal atmosphere for 3 min. After vacuuming, infiltration height and density of produced composite have been determined. Fracture behavior of composites has also been determined by three point fracture test. Microstructure of composites and fracture surface were investigated by SEM analysis. It has been found that fracture strength of composites decreased although infiltration height and density increased with increasing Mg content of liquid Al. It has been also determined that molten metal temperature facilitates infiltration.

  Info
Periodical
Materials Science Forum (Volumes 546-549)
Edited by
Yafang Han et al.
Pages
611-614
DOI
10.4028/www.scientific.net/MSF.546-549.611
Citation
R. Calin, R. Citak, "Effect of Mg Content in Matrix on Infiltration Height in Producing MgO/Al Composite by Vacuum Infiltration Method", Materials Science Forum, Vols. 546-549, pp. 611-614, 2007
Online since
May 2007
Export
Price
$35.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: F. Romero, Vicente Amigó, M.D. Salvador, A. Vicente
Abstract:Titanium metal matrix composites were produced. The powder metallurgy route applied was a conventional route consisting of blending titanium...
817
Authors: Dong Mei Zhu, Hong Na Du, Fa Luo, Wan Cheng Zhou
Abstract:Porous C/C composite with certain porosity prepared by Chemical vapor infiltration (CVI) was chosen as the preforms to develop the C/C-SiC...
1501
Authors: Sabbah Ataya, Marcus Korthäuer, Essam El Magd
Abstract:Copper reinforced by tungsten particles has high potential applications in the fields of electronics and electric contacts where high...
1205
Authors: Yan Jun Wang, Bin Wang, Li Ying Yang, Shou Ren Wang
Abstract:High speed steel based ceramic preforms with three-dimensionally interpenetrated micropores were fabricated using the mixture of TiH2, CaCO3...
625
Authors: Geciane A. Santos, Alan Christie Silva Dantas, Leticia M. Oliveira, Andrea V. Ferraz, Wilson Acchar, Nelson C. Olivier
Chapter 6: Ceramics in Biomedicine
Abstract:Hydroxyapatite (HA) is a ceramic material broadly studied due to its great similarity with the human bone. However, this material presents...
309