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Characterization of Fe-Cr-AI2O3 composite fabricated by powder metallurgy method with varying weight percent of alumina and

Saidatulakmar Shamsuddin, and Shamsul Baharin Jamaludin, and Zuhailawati Hussain, (2008) Characterization of Fe-Cr-AI2O3 composite fabricated by powder metallurgy method with varying weight percent of alumina and. Journal of Physical Science, 19 (1). pp. 89-95.

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Official URL: http://www.usm.my/jps/19-1-08/Article%2019-1-8.pdf

Affiliations

Universiti Teknologi MARA, Perlis. Faculty of Applied Science
Universiti Malaysia Perlis. School of Materials Engineering
Pulau Pinang. Universiti Sains Malaysia. Kampus Kejuruteraan. School of Materials and Mineral Resources Engineering

Abstract

This study focused on fabricating and characterizing composites of iron-chromium alloy reinforced with 5–25 wt. % of alumina particles fabricated using powder metallurgy method. The diffraction patterns of X-Ray diffraction (XRD) reveal the influence of varying weight percentage of alumina. Comparisons on the mechanical properties are also being made on the unreinforced iron matrix (0 wt. %). The compatibility between matrix and reinforcement was indicated from the microstructure examination showing homogeneous distribution of alumina particles in the alloy matrix. Bulk density and porosity of the composites were calculated using standard Archimedean testing. Micro-hardness was measured using micro-Vickers hardness instrument. The data obtained showed that the 20 wt. % alumina produced the highest hardness reading.

Item Type:Journal
Additional Information:The authors would like to thank UiTM, USM and UniMAP for supporting this research.
Keywords:iron, chromium, alumina, composites, powder metallurgy
Subjects:Q Science, Computer Science
ID Code:5439

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