Precipitation of W2B5 and β-WB from Ti0.3W0.4Cr0.3B2 solid solutions
2008
Abstract We investigated the formation of W 2 B 5 and β-WB precipitates in supersaturated Ti 0.3 W 0.4 Cr 0.3 B 2 solid solutions during isothermal annealing at temperatures between 1400 and 1600 °C. X-ray diffractometry measurements showed that the precipitation process is very complex including metastable phase formation and mutual transformation between the two precipitation phases. The rate constants of precipitation are determined as a function of reciprocal temperature and discussed in framework to literature data.
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