Laser Assisted Processes and Thermal Treatments of Materials
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".
Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 8362
Special Issue Editors
Interests: composite materials; additive manufacturing; processing–structure–property relationship
Special Issue Information
Dear Colleagues,
Laser is a coherent beam of electromagnetic radiation which can spatially propagate with negligible divergence and lowest power loss over a long distance; moreover, it can be focused on small spots, providing improved precision on an irradiated area. When a laser beam irradiates the surface of a material, the latter can efficiently absorb the provided thermal energy. This interaction can induce photochemical or photothermal reactions, which generate a confined temperature increase within a desired area. This mechanism is used in many material processing technologies, such as stereolithography (SLA), selective laser sintering (SLS), selective laser melting (SLM), and laser-engineered net shaping (LENS).
However, the use of this localized heat input can cause the formation of residual stresses in the processed parts, which limits their practical use, introducing deformation or micro-cracks, and potentially reducing their load resistance. Therefore, components need heat treatments aimed at releasing the residual stresses coming from the production process.
The aim of this Special Issue is to publish original research data, review articles, communications that focus on the use of laser-assisted technologies for processing advanced materials or to induce their modifications in term of properties and functions. Then, of particular interest is the investigation of specifically designed thermal treatments of starting powders or final components.
Dr. Elisa Padovano
Prof. Dr. Claudio Francesco Badini
Guest Editors
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Keywords
- Laser manufacturing of metal/polymer/ceramic materials
- Laser functionalization process
- Laser parameters
- Laser–matter interaction
- Processing–structure–property relationship
- Thermal treatments
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