| Grant number: | 23/10475-8 |
| Support Opportunities: | Scholarships abroad - Research Internship - Doctorate |
| Start date: | February 02, 2024 |
| End date: | January 26, 2025 |
| Field of knowledge: | Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials |
| Principal Investigator: | Luiz Antonio Pessan |
| Grantee: | Erick Gabriel Ribeiro dos Anjos |
| Supervisor: | Uttandaraman Sundararaj |
| Host Institution: | Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil |
| Institution abroad: | University of Calgary, Canada |
| Associated to the scholarship: | 21/10136-3 - DEVELOPMENT OF FILAMENTS FOR ADDITIVE MANUFACTURING OF ABS WITH DIFFERENT CARBON MATERIALS FOR ELECTRONIC HOUSING, BP.DR |
Abstract Filament Fusion Fabrication (FFF) has attracted significant attention among additive manufacturing processes due to its cost-effectiveness, parts design versatility, and efficient process modification capabilities, surpassing traditional manufacturing methods. Consequently, extensive research is underway to explore novel materials for this process, with a specific focus on thermoplastic nanocomposites modified with carbon nanofillers, such as multi-wall carbon nanotubes (MWCNT), graphene nanoplatelets (GNP), and carbon black (CB). These carbon materials play a important role in enhancing the electrical and electromagnetic properties required for the production of functional electromagnetic components.This project aims to develop nanocomposites using acrylonitrile-butadiene-styrene (ABS) copolymer as the matrix, with the incorporation of different carbon nanofillers (MWCNT, GNP, and CB) to achieve functional electromagnetic characteristics in various parts. The production of nanocomposite filaments in our laboratories in Brazil were executed in two stages: firstly, homogeneity was ensured through extrusion-based mixing of the constituents, followed by filament preparation utilizing a suitable matrix in a twin-screw extruder. Subsequently, specimens were manufactured using the FFF process while selectively varying printing parameters. A comprehensive characterization of the printed and injected specimens will include mechanical tests (uniaxial tensile strength and Izod impact resistance), thermal analysis (differential scanning calorimetry, dynamic-mechanical analysis, and thermogravimetric analysis), impedance spectroscopy, electromagnetic shielding efficiency (EMI SE), reflectivity (RL), and morphological evaluation.The expected outcome of this project is to develop new materials for electromagnetic applications, to gain expertise in FFF technology and successfully produce multifunctional nanocomposite filaments. Achieving these objectives will advance the field of additive manufacturing and contribute to the development of functional electromagnetic components. (AU) | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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