Functionally Graded TiC-Based Cermets via Combustion Synthesis and Quasi-Isostatic Pressing |
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| Journal | Materials Science Forum (Volumes 492 - 493) |
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| Volume | Functionally Graded Materials VIII |
| Edited by | Omer Van der Biest, Michael Gasik, Jozef Vleugels |
| Pages | 63-68 |
| DOI | 10.4028/www.scientific.net/MSF.492-493.63 |
| Citation | M. Martinez Pacheco et al., 2005, Materials Science Forum, 492-493, 63 |
| Online since | August, 2005 |
| Authors | M. Martinez Pacheco, Marianne Stuivinga, Eric Carton, Laurens Katgerman |
| Keywords | Combustion Synthesis (CS), Functionally Graded Material (FGM), Graded Cermets, Granulate Medium, Pressure Transmitting Medium PTM, Quasi-Isostatic Pressing, SHS |
| Abstract | Experimental results on the preparation of functionally graded TiC-based cermets obtained by combustion synthesis (also known as Self-Propagating High-Temperature Synthesis, SHS) followed by quasi-isostatic (QIP) pressing in a granulate medium are presented. Pellets of TiC-Fe graded cermets are produced by stacking layers of Ti and C powder mixtures in which the content of a NiFe alloy (50 wt% Ni and 50 wt% Fe) is varied from 5 up to 25 vol %. X-ray diffraction showed that the NiFe alloy did not react with the TiC, thus preserving its special properties. Scanning electron microscopy results show a graded material with pores increasing in size towards the side with the highest ceramic fraction. |
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