Fracture toughness improvement of TiC by Nb and Mo precipitates

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TiC toughened with Nb and Mo were investigated with regards to their fracture toughness, focusing on microstructural change. Microstructure was observed in a scanning electron microscope (SEM) and a transmission electron microscope (TEM). Phase identification and chemical analysis were performed by a X-ray diffractometer and an electron probe microanalyzer. Fracture toughness of the annealed TiC composites was found to be higher than that of the monolithic TiC and the as-cast ones, which increases with increasing Nb content.

Original languageEnglish
Pages (from-to)1879-1881
Number of pages3
JournalJournal of Materials Science Letters
Issue number21
Publication statusPublished - 2000 Nov


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