Stronger (0001) basal plane textures mainly include two types: and in AZ31 magnesium alloy thin sheet were formed after hot-rolling. The texture types of hot-rolled AZ31 magnesium alloy thin sheet after annealing at 523K and 673K respectively were as same as that of hot-rolled thin sheet without annealing, but texture intensities became weaker, especially after annealing at 673K. The strong texture of hot-rolled thin sheet caused anisotropy of mechanical properties (tensile strength b, yield strength s and elongation ) significantly , and the anisotropy reduced with the decrease of texture intensity after annealing. Besides texture, the grain shape also effects anisotropy of mechanical properties. The anisotropy becames more significantly with the increase of relative difference of grain diameter between transverse and longitudinal directions.
La1-xCaxVO3 composition-spread films were fabricated by combinatorial pulsed laser deposition and their thermoelectric properties were evaluated paralelly by the multi-channel thermoelectric measurement system. Concurrent X-ray analysis verified the formation of solid solution films in the full composition range (0≤x≤1) as judged from the linear variation of the lattice constants. The power factor of 0.6 µW/cm K2 was achieved in LaVO3 film at 800°C.Large thermoelectric properties in vanadium oxide system can be expected with the change of vanadium ion valence from 3+ to 2+.
(Ca1-xAx)3Co4O9 (A: Sr, Ba) composition-spread films were fabricated successfully on TiO2 (100) substrate by combinatorial pulsed laser deposition (CPLD), and their thermoelectric (TE) properties and structure were evaluated by the multi-channel thermoelectric measurement system and concurrent X-ray analysis respectively. The largest power factor in (Ca1-xSrx)3Co4O9 film library was achieved as 1.67µW/cmK2. The influence of substitution on TE properties was investigated by doping Sr2+ and Ba2+ ions into Ca3Co4O9. However, there was little change of Seebeck coefficient in the range of 0≤x≤0.1 for (Ca1-xAx)3Co4O9 (A: Sr, Ba) films, which suggested that the substitution ions with smaller size were potential candidates for good TE properties.
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