This review aims to assess the current modelling and experimental achievements in the design for additive manufacturing of bonded joints, providing a summary of the current state of the art. To limit its scope, the document is focused only on polymeric additive manufacturing processes. As a result, this review paper contains a structured collection of the tailoring methods adopted for additively manufactured adherends and adhesives with the aim of maximizing bonded joint performance. The intent is, setting the state of the art, to produce an overview useful to identify the new opportunities provided by recent progresses in the design for additive manufacturing, additive manufacturing processes and materials' developments.
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http://dx.doi.org/10.3390/ma13183949 | DOI Listing |
J Int Soc Respir Prot
August 2024
Georgia Institute of Technology, School of Materials Science and Engineering, Atlanta GA USA.
Filtering facepiece respirators (FFRs) are manufactured in discrete sizes, with some models being limited in relation to accommodating the fit of some sex and race combinations. This study presents the development of a custom-fit respiratory protective device (RPD) which conforms to a user's facial features and flexes and moves with facial movements during use. Our design also integrates a pressure-sensing network, which continuously monitors fit and will alert the user when the fit is compromised.
View Article and Find Full Text PDFNat Commun
January 2025
Advanced Manufacturing and Metamaterials Laboratory, Department of Material Science and Engineering, University of California, Berkeley, CA, USA.
The demand for lightweight antennas in 5 G/6 G communication, wearables, and aerospace applications is rapidly growing. However, standard manufacturing techniques are limited in structural complexity and easy integration of multiple material classes. Here we introduce charge programmed multi-material additive manufacturing platform, offering unparalleled flexibility in antenna design and the capability for rapid printing of intricate antenna structures that are unprecedented or necessitate a series of fabrication routes.
View Article and Find Full Text PDFJ Dent
January 2025
The department of pediatric dentistry and dental public health, faculty of dentistry, Ain Shams university. Organization of African Unity St. Abbasia - Cairo, Egypt, Post No. 11566. Electronic address:
Objectives: This study aims to compare the clinical performance of 3D printed endocrowns (ECs) and prefabricated zirconia crowns (PZRCs) in restoring pulpotomized primary molars, over 3, 6, and 12 months.
Methods: Thirty pulpotomized mandibular primary molars in 16 children aged 4-8 years were randomized with a 1:1 allocation ratio into two groups: group (A), PZRCs, and group (B), 3D-printed ECs. All restorations were evaluated for esthetic, functional, and biological properties using FDI criteria at 3-, 6-, and 12-month intervals.
J Esthet Restor Dent
January 2025
Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand.
Objective: To conduct a systematic review on the masking ability of subtractively and additively manufactured dental ceramics.
Materials And Methods: The study followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The electronic search was carried out through MEDLINE, Scopus, and Website of Science databases with a date restriction being from 2001 onwards.
Sensors (Basel)
December 2024
Department of Electromechanical Engineering, University of Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001 Covilhã, Portugal.
This article presents the development of a resistive frost-detection sensor fabricated using Fused Filament Fabrication (FFF) with a conductive filament. This sensor was designed to enhance demand-defrost control in industrial refrigeration systems. Frost accumulation on evaporator surfaces blocks airflow and creates a thermal insulating barrier that reduces heat exchange efficiency, increasing energy consumption and operational costs.
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