Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Incorporation of carbon nanotubes in stainless steel 304L via mechanical alloying
Submission Author:
paola baia , PA
Co-Authors:
paola baia, Diego Jorge Alves Borges, Danyella Crystyane Silva Cardoso, Victor Ferreira, Paulo Assunção , Marcos Allan L dos Reis, Cristhian Loayza, Eduardo Braga
Presenter: paola baia
doi://10.26678/ABCM.COBEM2017.COB17-2075
Abstract
Carbon Nanotubes are one of the allotropic forms of carbon and, since its discovery, the scientific community seeks ways to use the unique electrical and mechanical properties of CNTs as composites, incorporated in metal matrices. Despite an increasing development in researches involving the success in incorporating carbon nanotubes in metals, such as Silicon, Copper and Aluminum, and applying in areas including welding and thermal spraying, there is barely any knowledge in the community concerning the use of stainless steel as metal matrix. This work uses the Mechanical Alloying process to incorporate CNTs in an AISI 304L stainless steel. The mixture of AISI 304L stainless steel and 5 wt.% CNTs was placed in a planetary ball mill alongside 25 stainless steel spheres of 1cm diameter each, and rotated at 200 rpm. Samples with 0 min, 30 min, 60min and 90 min of Mechanical Alloying process were collected to be characterized using XRD, Raman. The results indicated that the 60 min sample achieved homogeneous dispersion and aggregation in the metal matrix, which qualifies such parameters as more suitable to produce the CNT-AISI 304L steel.
Keywords
carbon nanotubes, Stainless Steel, Mechanical Alloying, XRD, Raman
