Abstract
Sintering behavior of nano‐sized titanium diboride (TiB2) powder prepared by a self‐propagating high‐temperature synthesis (SHS) technique was compared with that of the commercially available powder. The SHS‐made powder showed excellent sinterability at low temperatures and a maximum of 97% densification was achieved at 2223 K, whereas the identically sintered commercial powder could only be densified to ∼86% at 2223 K. The estimated activation energies for sintering of 35±0.07 kJ/mole and 46±0.7 kJ/mole for the SHS and commercial powder, respectively, indicated the possibility of a different mechanism during sintering.
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