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Mostrando ítems 171-180 de 444
Microstructural Study of a Zn-Ni Alloy Prepared by Ball Milling Using Two Different Devices
(Microscopy Society of America, 2019)
Síntese e sinterização de pós-compósitos de aluminaboretos de alta dureza por moagem de alta energia
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2014-08-04)
This work was aimed to obtain powder composite mixtures of ceramic phases with high hardness through high energy ball milling synthesis and characterization of sintered samples in terms of hardness. In an exploratory phase, ...
Caracterização de compósitos Nb-20%cu obtidos por moagem de alta energia e sinterizados por fase líquida
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia de MateriaisProcessamento de Materiais a partir do Pó; Polímeros e Compósitos; Processamento de Materiais a part, 2011-01-31)
In this work, was studied the formation of a composite of the refractory metal niobium with copper, through the process of high-energy milling and liquid phase sintering. The HEM can be used to synthesize composite powders ...
Armazenagem de hidrogênio em nanocompósitos MgH2- aditivos à base de Fe e Nb, produzidos por moagem de alta energia e laminação a frio
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2012-12-03)
Mg-based nanocomposites are considered promising materials for hydrogen storage in the solid state. In this work, Mg-based nanocomposites containing iron-based (Fe, Fe2O3, FeF3) and niobium-based (Nb, Nb2O5, NbF5) additives ...
Surface modification after ethanol wet milling: A comparison between pristine glasses produced from natural minerals and analytical grade raw materials
(Elsevier Science Sa, 2017-09)
Four glass compositions were produced taking into account different theoretical Leucite (KAlSi2O6)/Bioglass 45S5 (45% SiO2, 24.5% Na2O, 24.5% CaO, 6% P2O5) ratios using analytical grade reagents only; and replacing some ...
Modeling of particle size and energetic requirement in amaranth grain ball-milling
(Bogotá : Universidad de Ciencias Aplicadas y Ambientales, 2019, 2019-07)
La harina de amaranto es de alto valor nutricional, convirtiéndola en un alimento potencial. La molienda de los granos es una operación necesaria, para brindarle a los productos alimenticios unas adecuadas propiedades ...
Endurecimento do pó de cobre com carbeto de tungstênio via moagem de alta energia
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia de MateriaisEngenharia de Materiais, 2022-07-07)
The use of composite materials has been growing on a large scale in recent
years due to obtaining a product with important properties and with different fields of
application. The composites produced with a copper matrix ...