Abstract: Development of Alumino-Silicate Investment Shell Moulds to Cast 6061 Al-Alloy
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064

Downloads: 92

Research Paper | Material Science and Engineering | India | Volume 4 Issue 11, November 2015

Development of Alumino-Silicate Investment Shell Moulds to Cast 6061 Al-Alloy

A. Chennakesava Reddy

The investment shell moulds were fabricated with ceramic slurry containing alumino-silicates as filler materials and colloidal silica binder. The investment shell moulds were characterized in terms of hot bending strength and thermal shock. The flow time of slurry solution through the Ford cup is directly proportional to the amount of filler added the liquid binder. The Al2O3 / SiO2 ratio of 60/40 has greater bonding strength than those of ratios of 50/50 and 40/60 respectively. As the Al2O3 content in the filler material, the metastability of the investment shell mould increases leading cracks. The microstructure of 6061 Al-alloy reveals some undissolved Mg2Si.

Keywords: Investment shell moulds, alumino-silicates, hot strength, thermal expansion, metal-mould reaction

Edition: Volume 4 Issue 11, November 2015

Pages: 1183 - 1187

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How to Cite this Article?

A. Chennakesava Reddy, "Development of Alumino-Silicate Investment Shell Moulds to Cast 6061 Al-Alloy", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV151412, Volume 4 Issue 11, November 2015, 1183 - 1187

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