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Fully dense B4C/CNF composites have been fabricated from the mixture of amorphous fine powders of boron and carbon, and carbon nano-fiber (CNF) using pulsed electric-current pressure sintering (PECPS) at 2173K (1900°C) for 10min under 30MPa in a vacuum. They showed a moderate mechanical properties at room temperature: bending strength σb more than 450MPa, Vickers hardness Hv of 29–36GPa, and fracture...
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