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Applied Sciences
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Application of 3D Scanners and Digital Methods in Wear Assessment
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Application of 3D Scanners and Digital Methods in Wear Assessment

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 3800

Special Issue Editors

Dr. Silvia Logozzo

E-Mail Website
Guest Editor
Department of Engineering, University of Perugia, 1, 06123 Perugia, Italy
Interests: tribology; robotics; mechanics of machines; system dynamics; 3D scanning
Special Issues, Collections and Topics in MDPI journals
Dr. Maria Cristina Valigi

E-Mail Website
Guest Editor
Department of Engineering, University of Perugia, 06125 Perugia, Italy
Interests: tribology; robotics; mechanism theory; multibody dynamics; grasping and manipulation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wear assessment is an issue of great significance in mechanics and biomechanics as it is fundamental in the study of resistance and useful life of components and validation of wear models, the aim of it being to enhance the design and tribological performance. In recent decades, the application of 3D scanners and digital methods in tribology has become more and more useful and powerful since optical digitization and digital inspection allow us to overcome some disadvantages related to the methods using traditional instruments and provide a complete scenario of the wear progress and distribution over the entire surface under study.

In this Special Issue, we will provide a broad range of research from experimental results to theoretical approaches focused on the use of 3D scanners and digital methods for wear assessment. We are pleased to invite researchers who are specialized in this field and willing to contribute their work. New approaches, instruments and techniques based on 3D optical scanners and digitizers to quantify the material loss and deepen the investigation of wear effects and mechanisms are particularly welcome in this Special Issue.

Dr. Silvia Logozzo
Prof. Maria Cristina Valigi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Applied Sciences is an international peer-reviewed open access semimonthly 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

  • digital tribology
  • 3D optical wear measurement
  • 3D optical inspection and diagnostics
  • 3D optical scanners
  • wear maps
  • wear models

Published Papers (2 papers)

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Research

16 pages, 3494 KiB  
Article
Withstanding Capacity of Machine Guards: Evaluation and Validation by 3D Scanners
by Luca Landi, Silvia Logozzo, Giulia Morettini and Maria Cristina Valigi
Appl. Sci. 2022, 12(4), 2098; https://doi.org/10.3390/app12042098 - 17 Feb 2022
Cited by 7 | Viewed by 1656
Abstract
Ballistic penetration of machine guards is a topic of great significance for ensuring safety and avoiding projection of objects out of the working space of machines. Although standardized tests are performed according to EU Directive 2006/42/EC, they have some limitations because they are [...] Read more.
Ballistic penetration of machine guards is a topic of great significance for ensuring safety and avoiding projection of objects out of the working space of machines. Although standardized tests are performed according to EU Directive 2006/42/EC, they have some limitations because they are carried out using a given penetrator that perpendicularly impacts a given surface of about 500 × 500 mm. Nevertheless, the withstanding capacity of those guards depends on a lot of different design parameters and physical quantities that have not been fully investigated. This paper is focused on the study of the influence of the machine guard size on the withstanding capacity to ballistic penetration throughout theoretical models and experimental tests based on an innovative method involving the use of 3D optical scanners for inspection. The experimental analyses described in this work, compared to theoretical results, demonstrate that a maximum plastic deformation area can be defined, independently of the plate size, given the same material, thickness, and penetrator. This result allows to set proper new ranges for standardized tests, overcoming the limitation of using specific sample sizes. Full article
(This article belongs to the Special Issue Application of 3D Scanners and Digital Methods in Wear Assessment)
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10 pages, 3502 KiB  
Article
Roughness Digital Characterization and Influence on Wear of Retrieved Knee Components
by Saverio Affatato, Alessandro Ruggiero, Silvia Logozzo and Maria Cristina Valigi
Appl. Sci. 2021, 11(23), 11224; https://doi.org/10.3390/app112311224 - 26 Nov 2021
Cited by 3 | Viewed by 1431
Abstract
Tribological performance of knee components are strongly related to the surface characteristics. Primarily, the roughness and its 3D distribution on the surfaces affect the joint performance. One of the main limitations related to the tribological study of knee prostheses is that most of [...] Read more.
Tribological performance of knee components are strongly related to the surface characteristics. Primarily, the roughness and its 3D distribution on the surfaces affect the joint performance. One of the main limitations related to the tribological study of knee prostheses is that most of the research studies report in vitro or in silico results, as knee retrievals are difficult to find or are too damaged to be analyzed. This paper is focused on the roughness characterization of retrieved metal femoral components of total knee replacements (TKR) by means of a rugosimeter and involving digital methods to reconstruct the 3D topography of the studied surfaces. The aim of this study is to investigate how changes and distribution of roughness are correlated between the medial vs. the lateral part and how the resulting digital topography can give insights about the wear behavior. Full article
(This article belongs to the Special Issue Application of 3D Scanners and Digital Methods in Wear Assessment)
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