Industria 4.0

Industria 4.0

Investigate the effect of arc characteristic on the mechanical properties of 5A56 Al alloy in CMT arc additive manufacturing
- In order to investigate the effect of arc characteristic on the mechanical properties of 5A56 Al alloy in wire arc additive manufacturing (WAAM), three different arc processes: CMT, CMT-VP and...
A comparative evaluation of the microstructural characteristics of L-DED and W-DED processed 316L stainless steel
- In metal additive manufacturing (MAM), laser direct energy deposition (L-DED) and wire arc direct energy deposition (W-DED) are commonly used methods that also possess challenges in the part...
Additive Manufactured Magnesium-Based Scaffolds for Tissue Engineering
06/12/2022 - Additive manufacturing (AM) is an important technology that led to a high evolution in the manufacture of personalized implants adapted to the anatomical requirements of patients. Due to a worldwide...
Open Hole Tension of 3D Printed Aligned Discontinuous Composites
06/12/2022 - This paper explores the use of Discontinuous Aligned Fibre Filament (DcAFF), a novel discontinuous fibre reinforced thermoplastic filament for 3D printing, to produce structural complex parts....
Fabrication of functional and biodegradable scaffolds using nucleated poly(4-hydroxybutyrate) via 3D printing for bone tissue engineering
- Poly (4-hydroxybutyrate) (P4HB) was a new generation of biosourced and biodegradable semi-crystalline polymer. However, due to the low crystallization temperature and slow crystallization rate of...
Mechanical performance of non-reinforced, carbon fiber reinforced and glass bubbles reinforced 3D printed PA12 polyamide
- Reinforcing the materials used in 3D printing with different fillers like short and continuous fibers or micro and nanoparticles is a common way of increasing their mechanical properties. In real...
Ceramic Matrix Composites Obtained by the Reactive Sintering of Boron Carbide with Intermetallic Compounds from the Ti-Si System
05/12/2022 - In this study, we investigated the effect of adding two different intermetallics, Ti5Si3 and TiSi2, for the preparation of TiB2-SiC-B4C composites. As part of the research, stoichiometric composites...
Production of 3D Printed Bi-Layer and Tri-Layer Sandwich Scaffolds with Polycaprolactone and Poly (vinyl alcohol)-Metformin towards Diabetic Wound Healing
05/12/2022 - Type 2 diabetes mellitus (T2DM) is a chronic disease characterized by impaired insulin secretion, sensitivity, and hyperglycemia. Diabetic wounds are one of the significant complications of T2DM...
Melt electrowriting of liquid crystal elastomer scaffolds with programmed mechanical response
02/12/2022 - Recently, significant advances have been achieved to precisely program the response of liquid crystal elastomers (LCEs) through extrusion?based additive manufacturing techniques; however, important...
FRC-TOuNN: Topology Optimization of Continuous Fiber Reinforced Composites using Neural Network
- In this paper, we present a topology optimization (TO) framework to simultaneously optimize the matrix topology and fiber distribution of functionally graded continuous fiber-reinforced composites...
Microstructural defects governing torsional fatigue failure of additively manufactured as-built and heat-treated Inconel 718
01/02/2023 - Nickel-based superalloys, such as Inconel 718 (IN718), have the unique properties of high strength, oxidation, and corrosion resistance, hence necessitating their wide use in aircraft engine...
Aerospace, Vol. 9, Pages 786: Compression and Deformation Behaviors of Hierarchical Circular-Cell Lattice Structure with Enhanced Mechanical Properties and Energy Absorption Capacity
02/12/2022 - The design of lightweight lattice structures with excellent specific mechanical properties has received great attention in recent years. In this paper, inspired by the hierarchical structure of...
Influence of Post-Deposition Thermal Treatments on the Morpho-Structural, and Bonding Strength Characteristics of Lithium-Doped Biological-Derived Hydroxyapatite Coatings
04/12/2022 - We report on hydroxyapatite (HA) of biological-origin doped with lithium carbonate (LiC) and lithium phosphate (LiP) coatings synthesized by Pulsed laser deposition onto Ti6Al4V substrates fabricated...
Microstructures and Fatigue Properties of High-Strength Low-Alloy Steel Prepared through Submerged-Arc Additive Manufacturing
02/12/2022 - Submerged arc additive manufacturing (SAAM) is a viable technique for manufacturing large and complex specialized parts used in structural applications. At present, manufacturing high-strength...
Optimization of 3D Printing Technology for Fabrication of Dental Crown Prototype Using Plastic Powder and Zirconia Materials
02/12/2022 - This research was aimed at developing a dental prototype from 3D printing technology using a synthetic filament of polylactic acid (PLA) and zirconium dioxide (ZrO2) with glycerol and silane coupling...
Experimental Characterisation and Finite Element Modelling of Polyamide-12 Fabricated via Multi Jet Fusion
02/12/2022 - The HP Multi Jet Fusion (MJF) technology is a relatively recent addition to powder bed fusion additive manufacturing (AM) techniques. It differentiates itself from selective laser sintering (SLS)...
Photocurable 3D-Printable Systems with Controlled Porosity towards CO2 Air Filtering Applications
02/12/2022 - Porous organic polymers are versatile platforms, easily adaptable to a wide range of applications, from air filtering to energy devices. Their fabrication via vat photopolymerization enables them to...
Computer Simulation of Composite Materials Behavior under Pressing
03/12/2022 - Composite materials have a wide range of functional properties, which is ensured by using various technological methods of obtaining both the matrix or fillers and the composition as a whole. A...
Therapy of Extensive Chronic Skin Defects after a Traumatic Injury Due to Microbial Contamination Using a Surface Implant Made of a Biocompatible Polycaprolactone—A Pilot Case Study
03/12/2022 - This case study describes the use of additive manufacturing technology combining a biodegradable polymer material, polycaprolactone (PCL), and innovative procedures for creating superficial wound...
Evaluating the Mechanical and Tribological Properties of 3D Printed Polylactic-Acid (PLA) Green-Composite for Artificial Implant: Hip Joint Case Study
04/12/2022 - Artificial implants are very essential for the disabled as they are utilized for bone and joint function in orthopedics. However, materials used in such implants suffer from restricted mechanical and...
Consecutive Ink Writing of Conducting Polymer and Graphene Composite Electrodes for Foldable Electronics-Related Applications
03/12/2022 - For foldable electronic devices of the future, most components should have very good flexibility and reliability to maintain electrical properties even under repeated deformation. In this study, two...