Buscar
Mostrando ítems 1-5 de 5
Insights into the potential effects of released engineered nanomaterials from polymer nanocomposites: environmental issues and future activities for risk assessment and management
(Springer, 2021-04-01)
The use, production, and disposal of engineered nanomaterials (ENMs) raise concerns about their environmental impact at all stages of the life cycle, considering that nanostructured materials can be released to the air, ...
Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications
(American Chemical Society, 2020-09-21)
The present study reports on the production and characterization of a new biopackaging material made of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) derived from municipal biowaste (MBW) and produced by the mixed ...
Tribological Analysis and Operation Issues of SiO2 Nanolubricants for MQL Machining Operations
(Trans Tech Publications, 2023-10)
Minimum Quantity Lubrication (MQL) has been proved to be an efficient lubricant technique in machining that increases tool life, improves surface roughness, facilitates the recycling of the resulting chips, brings more ...
Impacto de la adición de AI2O3 sobre la estabilidad de los regímenes de lubricación de recubrimientos de base níquel depositados por proyección térmica (OF) y refundidos por llama
(UNED - Universidad Nacional de Educación a Distancia, 2023)
Este trabajo tiene como objeto estudiar la influencia de las adiciones del 10% de Al 2O3 micrométrica en recubrimien-
tos de NiCrBSi (10.1% y 15.25% Cr) y NiCrBSi/WC (60/40%, 15.25% Cr) depositados mediante proyección ...
Study of 3D Metal Printed and Metal Filled Epoxy Materials for Rapid Tooling in Injection Molding
(Trans Tech Publications, 2023-10)
Common rapid tooling techniques can be classified as indirect and direct methods. As
indirect methods, casting a mixture of epoxy and metallic powder over a pattern to obtain the mold
shape is currently a fast and reliable ...