Abstract
The compaction response of <TEX>$TiO_2$</TEX> nano powders with an addition of Ti powders prepared by magnetic pulsed compaction and subsequent sintering processes was investigated. All kinds of different bulk exhibited an average shrinkage of about 12% for different MPCed pressure and sintering temperature, which were approximately 50% lower than those fabricated by general process (20%) and a maximum density of around 92.7% was obtained for 0.8GPa MPCed pressure and <TEX>$1400^{\circ}C$</TEX> sintering temperature. The addition of Ti powder induced an increase in the formability and hardness of the sintered <TEX>$TiO_2$</TEX>. But the lower densities were obtained on sintering with addition of over 10 (wt%) Ti powder due to generation of crack during sintering. Subsequently it was verified that the optimum compaction pressure in MPC and sintering temperature were 0.8GPa and <TEX>$1400^{\circ}C$</TEX>, respectively.
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