Industria 4.0

 

Industria 4.0

Surface modification of additively manufactured Inconel 718 alloy by low?energy high?current electron beam irradiation
08/06/2024 - The effect of low?energy high?current electron beam (LEHCEB) irradiation on the microstructure and nanohardness of Inconel 718 alloy produced by laser powder bed fusion (L?PBF) additive manufacturing...
Topologically Optimized Graded Foams
05/06/2024 - A process?focused alternative to 3D printing is reported, based on topology optimization and gas foaming. A 3D density map optimized for three?point bending is designed and produced by gas foaming a...
Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites
05/06/2024 - In this study, the combined effects of Si element and reinforcing particles on the microstructural characteristics and tribological properties of Fe?based metallic glass (FMG) monolithic reinforced...
High?Strength Wear?Resistant Cu/Tungsten Carbide/Diamond Composites Fabricated by Powder Metallurgy
05/06/2024 - In this work, Cu?based composites with diamond and tungsten carbide (WC) are fabricated by high?energy ball milling and rapid hot?pressing sintering. As a result, the compressive strength of Cu/7...
Additive Manufacturing of Biodegradable Molybdenum – From Powder to Vascular Stent
05/06/2024 - Magnesium, iron and zinc based biodegradable metals are widely recognized as promising candidate materials for the next generation of bioresorbable stent (BVS). However, none of those metal BVSs are...
Fully 3D?Printed Miniature Soft Hydraulic Actuators with Shape Memory Effect for Morphing and Manipulation
04/06/2024 - Achieving both rich shape morphing and shape locking remains challenging in miniature soft actuators. Fully multi?material 3D?printed, sub?millimeter thin?plate?like miniature soft hydraulic...
Engineering a Hierarchy of Disorder: A New Route to Synthesize High?Performance 3D Nanoporous All?Carbon Materials**
04/06/2024 - Nanoporous amorphous carbon achieves an unprecedented combination of ultrahigh strength and conductivity by incorporating three amorphous sp2, sp3, and graphitic phases. The unique core–shell...
Location-Specific Microstructure Characterization Within AM Bench 2022 Laser Tracks on Bare Nickel Alloy 718 Plates
04/06/2024 - Abstract Additive manufacturing of metal alloys produces microstructures that are typically very different from those produced by more traditional manufacturing approaches....
A Study of Microstructural Tensile and Fatigue Properties Coupled with Digital Image Correlation of Hybrid Manufactured Inconel 718 Parts by Extrusion and Powder Bed Fusion
02/06/2024 - Hybrid structures combining powder bed fusion and conventional manufacturing have the potential to minimize drawbacks while enhancing the advantages associated with each individual manufacturing...
Thermally Powered Soft Gripper Covered with Silver?Coated Nylon Fabric Heater Reinforced with Stainless Steel Yarn
02/06/2024 - In this work, a silver?coated nylon fabric (SCNF) heater reinforced with stainless steel yarn (SSY) is presented to invert electric energy to thermal energy. The provided thermal energy was...
Optimized poly(methyl methacrylate)/mixed?phase silver vanadate nanocomposites with tuned optical properties and hydrophobicity
02/06/2024 - 3D printing was used to create hydrogel?based actuator element with gelatin methacryloyl and poly(N?isopropylacrylamide) in layered rectangles. This unit was integrated in the tail of a fish?shaped...
Preparation And Characterisation Of Ti?6?4 And Ti?8?1?1 MMCs With High Specific Stiffness Using Powder Hot Extrusion And Arc?Remelting
29/05/2024 - Titanium alloys with high stiffness are crucial for aerospace engineering and are often fabricated using additive manufacturing methods like arc or laser techniques. These high energy processes alter...
Al–Si–Cu–Mg Matrix Composites with Graphene: PM?Based Production, Microstructural, and Mechanical Properties
29/05/2024 - This study explores the microstructural, tribological, and mechanical properties of few?layered graphene (FLG)/Al?10Si?2Cu?1Mg composites produced by the powder metallurgy route, including a...
Investigation of the elevated temperature tribological property and wear mechanism of Fe?15Cu?0.8C materials containing Mo?coated MoS2 powders
28/05/2024 - In this work, MoS2 solid lubricant was introduced in the form of Mo?coated MoS2 powder, to enhance the antifriction properties of sintered ferrous antifriction materials (FAMs). The microstructure,...
Evaluation of novel urethane dimethacrylates as crosslinkers for the development of fracture tough dental materials containing a poly(??caprolactone)?polydimethylsiloxane?poly(??caprolactone) triblock copolymer
20/05/2024 - This study focuses on developing a new biocompatible resin for stereolithography printing microneedles. We present the results of mechanical and thermal tests on the developed material and provide...
Design, Fabrication, and Characterization of 3D?Printed Multiphase Scaffolds Based on Triply Periodic Minimal Surfaces
04/01/2024 - The present work investigates the influence of material phases and their volume fractions on the elastic behavior of triply periodic minimal surface (TPMS) scaffolds for the potential modeling of...
Mechanical Properties of Sandwiched Construction with Composite and Hybrid Core Structure
19/01/2024 - In the field of lighter substitute materials, sandwich plate models of composite and hybrid foam cores are used in this study. Three core structures: composite core structure and then the core is...
Significantly improved mechanical properties of mullite ceramics by adding AlOOH with different sizes and morphologies
26/05/2024 - Mullite ceramics with high purity and toughness were prepared by hot?press sintering of pyrophyllite at 1300°C using AlOOH nanomaterials with different sizes and morphologies (nanoparticles,...
Fabrication and Characterization of Nickel?Aluminide Cladding by Dual?Wire Arc Additive Manufacturing
22/05/2024 - Given the unique characteristics of nickel aluminide, the fabrication of in?situ nickel aluminide is being investigated through electric arc?based additive manufacturing herein. When in?situ nickel...
A Comparative Study of Single and Dual Sintering Processes of Metal Nanoparticles for Flexible Electronics Application
21/05/2024 - The sintering process is categorized into four conditions: laser irradiation only, thermal treatment only, thermal treatment then laser irradiation, and laser irradiation then thermal treatment. An...
Toward Multiscale, Multimaterial 3D Printing
22/05/2024 - Biological materials and organisms possess the fundamental ability to self?organize, through which different components are assembled from the molecular level up to hierarchical structures with...