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In the secondary regime of the tensile creep of Ti 2 AlC, made with commercial powders with a grain size of 14±8μm, the minimum creep rate is given by a power law, with a stress exponent of 2.5±0.3 and an activation energy of 362±88kJmol −1 . Dislocation creep—with possibly grain boundary sliding—are presumed to be the dominant creep mechanism(s). The high failure strains (>15%)...
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