Bhaumik, SK and Divakar, C and Mohan, Murali and Jaman, PM and Ushadevi, S and Singh, AK (1994) Self-combustion synthesis and sintering of Sic under high pressure. In: Proceedings of the National Conference on High Pressure Science and Technology, 10-11 Oct 1994, Bangalore, India.
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Abstract
High pressure self combustion synthesis and sintering (HPCS) of Sic from elemental Si and C conducted first by Yamada et d6 has been re-investigated.The molar ratios of Si and C were 1:1, 1:1.05, and 1:l.l. The high pressure-high temperature experiments were performed in a cubic anvil apparatus at 1.7 and 3 GPa and N 2270 K. The sintered compacts were characterized by electrical resisitvity, x-ray, microhardness, optical and scanning electron microscopic studies. The x-ray diffractogram of the samples indicated the formation of well crystalline @-Sic. An attempt'has been made to understand the mechanism of the formation of p-Sic under high pressure and high temperature.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Self-Combustion;High Pressure;X-ray diffractogram;Scanning electron microscope |
| Subjects: | CHEMISTRY AND MATERIALS > Chemistry and Materials (General) |
| Division/Department: | Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 31 Jul 2008 |
| Last Modified: | 17 Jun 2010 13:38 |
| URI: | http://nal-ir.nal.res.in/id/eprint/4830 |
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