Ahmad, Norhayati and Sueyoshi, Hidekazu (2010) Properties of Si3N4-TiN composites fabricated by spark plasma sintering by using a mixture of Si3N4 and Ti powders. Ceramics International, 36 (2). 491 -496. ISSN 0272-8842
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Official URL: http://dx.doi.org/10.1016/j.ceramint.2009.09.029
Abstract
Si3N4–TiNcomposites were successfully fabricated via planetary ball milling of 70 mass% Si3N4 and 30 mass% Tipowders, followed by sparkplasmasintering (SPS) at 1250–1350 °C. The sintering mechanism for SPS was a hybrid of dissolution–reprecipitation and viscous flow. The electrical resistivity decreased with increasing sintering temperature up to a minimum at 1250 °C and then increased with the increasing sintering temperature. The composites prepared by SPS at 1250–1350 °C could be easily machined by electrical discharge machining. Composite prepared by SPS at 1300 °C showed a high hardness (17.78 GPa) and a good machinability.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | C. Mechanical properties, D.Si3N4 |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 26592 |
| Deposited By: | Widya Wahid |
| Deposited On: | 18 Jul 2012 03:27 |
| Last Modified: | 31 Oct 2018 12:30 |
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