Abstract
This manuscript contains a study about the effect of the degree of compaction of green parts on the properties of a Graphite-5.5 vol. % Molybdenum- 0.6 vol. % Titanium composite obtained by SPS. The composite, sintered at 2000 °C, below the eutectic temperature of the C-Mo system (2584 °C), exhibits different properties depending on the direction of the applied pressure. On this matter, properties are significantly better in-plane than in the other directions. Samples uniaxially pressed at 60 MPa to obtain the green compact exhibit highly improved properties which are competitive with those obtained under extreme conditions, i.e. uniaxial pressure at 300 MPa and sintering temperature > 2000 °C in presence of a liquid phase. The composite production process could be easier scaled up to the industrial level. Thus, this graphite-molybdenum-titanium composite could be used as heat sink in a panoply of applications.
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