Mostrando ítems 1-6 de 6
Bris Cabrera, Jorge (Fecha de defensa: 2007-03-08)
La producción de componentes sinterizados para aplicaciones estructurales ha mostrado un marcado desarrollo en los últimos años. La competitividad de las piezas pulvimetalúrgicas exige obtener componentes ...
Zheng, Yafeng (Fecha de defensa: 2020-12-11)
Cemented carbides, also referred to as hardmetals, are composite materials consisting of brittle refractory carbide phase (generally WC) embedded in a metallic matrix. Such microstructure leads to an ...
Yang, Jing, 1988- (Fecha de defensa: 2016-05-31)
This thesis assesses the influence of substrate surface integrity on different mechanical (flexural strength and contact damage resistance under spherical indentation) and tribological (scratch resistance ...
Botero Vega, Carlos Alberto (Fecha de defensa: 2012-12-14)
Mullite coatings deposited by chemical vapor deposition (CVD) have been introduced and proven as excellent candidates to protect silicon carbide (SiC) from severe pitting corrosion and recession, becoming ...
Ramírez Sandoval, Giselle (Fecha de defensa: 2012-07-25)
In recent years hard coatings have acquired a significant importance in the microstructural and micromechanical design of forming tools. Among the wide range of surface modification techniques, physical ...
Tarragó Cifre, Jose María (Fecha de defensa: 2016-09-13)
Hardmetal industry is continuously seeking for high-performance products at reduced costs. In addition, it is strongly struggled by the high and volatile prices of raw materials. At this juncture, ...