Emerging Technologies for Development of Novel Materials Systems and Coatings (Volume 2)
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".
Deadline for manuscript submissions: 10 November 2024 | Viewed by 6251
Special Issue Editor
Interests: advanced nanostructured materials; hydrothermal synthesis; functional graded materials; coatings technologies
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The development of new material systems and coatings remains a multidisciplinary topic of high importance for scientists and technologists, providing remarkable functional properties improving performances in many traditional and high-tech industrial areas. New or emerging technologies for material synthesis and processing are needed to obtain material systems and coatings with design composition, microstructure, and architectures fulfilling the harsh requirements for applications in extreme mechanical, high temperature, high corrosion, or biological environmental conditions. Green chemical procedures with low environmental impact enable the fine tuning of components and dopants by controlling the kinetics and mechanisms involved in the synthesis of nanostructured composite or hybrid material system. The use of these advanced materials to obtain functionally graded materials and coating architectures may open new directions in the study of nucleation and growth processes using physical or chemical coating technologies and controlling functional properties. Additionally, additive manufacturing combined with coatings technologies may contribute to the reduction of some critical raw materials.
In this Special Issue, modern trends in novel material synthesis and coatings, including fundamental research, modelling, and optimisation are highlighted and discussed. Expected applications are in renewable energy (e.g., solid state batteries, photovoltaics, solid oxide fuel cells), gas turbines, energy-harvesting systems, sensors and actuators, and automotive and aerospace components.
It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.
Dr. Radu Robert Piticescu
Guest Editor
Manuscript Submission Information
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Keywords
- green chemistry synthesis
- hydrothermal/solvothermal
- sol-gel
- mechano-synthesis
- coatings
- functionally graded materials
- additive manufacturing
- EB-PVD
- RF/magnetron sputtering
- chemical vapor deposition methods
- laser coating technologies
- ab-initio modelling and simulation
Related Special Issue
Planned Papers
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
1) Title: Carbon nanofibers and carbon nanotubes CVD growth on half-Heusler alloys: a computationally driven experimental investigation
Authors: I.G. Aviziotis, A. Manasi, A. Ntziouni, G.P. Gakis, A.F.A. Trompeta, S. Busatto, A. Bianchin, X. Li, H. Dong, C.A. Charitidis
Abstract: The possibility of directly growing carbon nanofibres (CNFs) and carbon nanotubes (CNTs) on half-Heusler alloys by Chemical Vapour Deposition (CVD), is investigated for the first time, without using additional catalyst, since the half-Heusler alloys per se may function as catalytic substrate. The purpose of depositing carbon nanostructures onto half-Heusler alloys is to improve the thermoelectric performance of these compounds, by forming a conductive coating on their surface. As carbon source, acetylene is used in the temperature range of 700 – 750oC. At first, a computational model is developed for the CVD reactor, aiming to optimise the experimental process design and setup. The experimental process conditions are simulated to investigate the reactive species concentrations within the reactor chamber and the activation of certain reactions. SEM analysis confirms the growth of CNFs with diameters ranging from 450nm to 1μm. Raman spectroscopy implies that the formed carbon structures resemble to CNFs rather than to CNTs as well as that amorphous carbon is also co-existing in the deposited samples. From the characterization results, it may be concluded that a short reaction time and a low acetylene flow rate lead to the formation of a uniform CNF coating on the surface of half-Heusler alloys.