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As a metal alloy, NiCr films have relatively high resistivity and low temperature coefficient of resistance (TCR) are widely used in electronic components sensors. However, the pure is insufficient for high-resistance highly stable film resistors. In this study, quaternary NiCrAlSi target (47:33:10:10, wt. %) was successfully to prepare resistor with resistivities ranging from 1000 10 000 μΩ cm...

Abstract Cermet coatings such as WC-Co and Cr3C2-NiCr are frequently applied by means of thermal spray processes to protect highly stressed surfaces against wear. The investigation the respective materials their coating properties in-flight particle often carried out in separate experiments. In this study, characteristics (hardness, deposition rate, porosity, thickness) (particle velocity tempe...

Objetivos. Verificar la adhesión del biofilm de C. Albicans a los aparatos ortodoncia fijos.Métodos. 300 brackets metálicos (mc), cerámicos (cb) y autoligables (slb), alambres níquel-titanio (niti) níquelcromo (nicr) .014”, .018”, .018” x.025” ligaduras elásticas (ec) metálicas (ssl), formaron 30 grupos (n=10). Los materiales se colocaron en placas cultivo celular 24 pocillos, contaminaron con ...