A New Method to Fabricate Fe-TiC Composite Using Conventional Sintering and Steam Hammer

Abstract:

The aim of this research paper is to fabricate a Fe-TiC composite by a novel and simple manufacturing method. The latter is based on two cumulative processes; a conventional sintering (transient liquid phase sintering) and a hot forging with steam hammer respectively. The blinder phase of the studied simples is varied from carbon steel to high alloy steel using alloying additive powders. The obtained outcomes showed that after the sintering process, the relative density of the performed simples is improved from 86% to 95.8% without any densification process. Otherwise, in order to ensure maximum densification and enhance in addition the solubility of the alloying additives the hot forging process is then applied. Indeed, the final obtained composite product is a TiC-strengthened steel with a relative density around 99% (about 6.5 g/cm³ of density) wherein 30% (wt.) of spherical and semi-spherical TiC particles are homogeneously distributed in the metal matrix.

• Periodical: International Journal of Engineering Research in Africa (Volume 29)
• Pages: 28-44
• DOI: https://doi.org/10.4028/www.scientific.net/JERA.29.28
• Online since: March 2017
• Authors: Ali Lahouel*, Said Boudebane, Alain Iost, Alex Montagne
• Keywords: Alloying Additives, Composite, Fe-TiC, Forging, Microstructure, Powder metallurgy, Relative Density, Sintering, Steam Hammer

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