Numerical Modelling and Quality Assessment of Additively Manufactured Metallic Components
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 June 2022) | Viewed by 2677
Special Issue Editors
Interests: laser shock processing; laser additive manufacturing; materials characterization
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Additive Manufacturing (AM) of metallic components is attracting enormous interest from academics and industrials given its potential for advanced applications in different fields such as biomedical implants, aerospace, automotive, energy, etc. Additive Manufacturing offers well-known features that are not reachable through conventional manufacturing technologies such as machining or casting. Some of the most appreciated advantages of AM with metallic components can be found in situations where a high degree of customization is required, such as in complex geometries or lightened components, where, in the latter, the mechanical response of the lightened part is achieved thanks to an engineered non-trivial structure. From the management point of view, AM of metallic parts also offers significant benefits, accelerating the development of new products, favoring, in this way, their quick launch into the market.
One of the main limiting factors for the full development of AM applications within industry is the high degree of complexity of the physics inherent to the process. For example, the consolidation of the metallic powder involves a series of phenomena concerning phase change, fluid dynamics, thermal balance with very high heating and cooling rates, etc. All these concurrent phenomena determine fundamental microstructural characteristics of the consolidated material concerning the shape, size, and orientation of the metallographic grains or the size and distribution of pores, which, in turn, determine the mechanical response of the sample, affecting the quality of the manufactured parts.
Numerical Modelling and, in general, quality assessment techniques offer powerful tools to tackle the complex phenomena influencing the dynamics of the microstructure development during the consolidation of the material in metal AM processes. The understanding of these complex relations allows users and researchers on AM systems to determine the mechanisms that connect the process parameters and the microstructure of the consolidated material, promoting, in this way, the successful application of these technologies.
Prof. Dr. José L. Ocaña
Dr. Francisco Cordovilla
Guest Editors
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Keywords
- additive manufacturing
- direct energy deposition
- direct laser melting
- electron beam melting
- selective laser melting
- metallic powder
- numerical simulation
- solidification
- microstructure
- metallurgy
- dendritic growth
- columnar growth
- residual stresses
- steel
- titanium
- aluminium
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