Design for Additive Manufacturing: Engineering Data and Assessment Tools

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Advanced Manufacturing".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 3572

Special Issue Editors


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Guest Editor
Department of Industrial engineering University of Bologna Viale Risorgimento 2, 40136, Bologna, Italy
Interests: FEA; strain analysis; mechanical connection; bolted joints

Special Issue Information

Dear Colleagues,

The aims and scope of this Special Issue cover the broad topic of additive manufacturing (AM) concerning metallic materials.

Nowadays, AM techniques are widely used in industrial fields such as aerospace, automotive, and biomechanics. It is therefore necessary to provide reliable experimental data to support the designers and scholars, with particular regard to the mechanical characteristics, technological limits, and economic aspects of AM manufactured components. This Special Issue aims at promoting extensive knowledge of different characteristic of newly designed AM components.

The Guest Editors are seeking valuable contributions in the form of theoretical, numerical and experimental studies dealing with applications of all industrially relevant metal AM technologies. This Special Issue aims at collecting robust experimental evidence which can support the conscious use of these new technologies in real-world applications. Therefore, authors who have carried out studies dealing with static and dynamic properties (e.g., fatigue, impact), technological limits, general design guidelines, and economic aspects of additively produced parts are invited to submit their work.

The main topics for this Special Issue include, but are not limited to:

  • Design for AM: industrial use cases and real-world applications
  • Topology optimization and numerical tools for the design to AM
  • Powder bed fusion technologies (DMLS, SLM, SLS) for metallic materials
  • New technologies for metallic materials
  • Experimental characterization and mechanics of materials.
  • Anisotropy affecting mechanical properties
  • Static, fatigue and impact testing
  • Tribological properties and surface finishing of AM produced parts
  • Microstructure, internal and external defects of AM produced parts
  • Heat, mechanical, chemical and surface treatments for AM produced components
  • Residual stresses in AM produced components: detection and assessment
  • Powder recycling with regard to economic and technological aspects and its impact on the mechanical characteristics
  • Case studies regarding applications of AM produced parts in the fields of mechanical and civil constructions, aerospace, automotive and biomechanics

Dr. Francesco Robusto
Dr. Massimiliano De Agostinis
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Machines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • additive manufacturing processes
  • design and modeling
  • materials and manufacturing
  • metallurgical engineering
  • post-treatment: surface finish, heat treatment and machining
  • metamaterials
  • multiple and novel materials
  • inspection techniques, defect identification and characterization
  • AM product design and simulation methods and tools, design rules

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Published Papers (1 paper)

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Research

15 pages, 7130 KiB  
Article
In Situ Ultrasonic Testing for Wire Arc Additive Manufacturing Applications
by Ana Beatriz Lopez, José Pedro Sousa, João P. M. Pragana, Ivo M. F. Bragança, Telmo G. Santos and Carlos M. A. Silva
Machines 2022, 10(11), 1069; https://doi.org/10.3390/machines10111069 - 12 Nov 2022
Cited by 5 | Viewed by 2954
Abstract
In this paper, we present a non-destructive testing (NDT) technique based on in situ detection of defects up to 100 °C by ultrasonic testing (UT) during construction of parts by a metal additive manufacturing technology known as wire arc additive manufacturing (WAAM). The [...] Read more.
In this paper, we present a non-destructive testing (NDT) technique based on in situ detection of defects up to 100 °C by ultrasonic testing (UT) during construction of parts by a metal additive manufacturing technology known as wire arc additive manufacturing (WAAM). The proposed technique makes use of interlayer application of commercial solder flux to serve as coupling medium for in situ inspection using a special-purpose UT probe. The experimental work was carried out in deposited ER5356 aluminum straight walls following a threefold structure. First, characterization tests with geometrically similar walls with and without interlayer application of solder flux highlight its neutrality, with no effect on the chemical, metallurgical and mechanical properties of the walls. Secondly, UT tests on walls at temperatures ranging from room temperature to 100 °C demonstrate the satisfactory performance of the solder flux as a coupling medium, with little to no soundwave amplitude losses or noise. Finally, acoustic attenuation, impedance and transmission estimations highlight the effectiveness of the proposed technique, establishing a basis for the future development of automated NDT systems for in situ UT of additive manufacturing processes. Full article
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