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Dispersion of graphene in ethanol by sonication
Conference ObjectAbstract: Graphene is prepared from natural graphite flakes by solvent dispersion and short-sonication time. IPalabras claves:ethanol, few-layer graphene, Raman, Sem, Sonication, TEM, Uv-VisibleAutores:Caputi L.S., Cayambe M., Cristian Vacacela Gomez, Diana C. Coello-Fiallos, Gabriela Viviana Tubon Usca, Hannibal Brito, Marco Guevara, Molina R., Talia Tene Fernández, Zambrano C.Fuentes:scopusInfluence of atmospheric oxygen content in the argon purge process in TIG welding in AISI 304 stainless steel pipe
ArticleAbstract: TIG welding was performed on AISI 304 stainless steel pipes purged with argon, the amounts of atmospPalabras claves:Atmospheric oxygen, Discoloration, Heat-affected area, Mechanical strength, PurgedAutores:Cristian Fabián Pérez-Salinas, Diana C. Coello-Fiallos, Jorge Patricio Guamanquispe-Toasa, Paredes-Zumbana J.A., Segundo Espín, Segundo Manuel Espín-LagosFuentes:googlescopus