Industria 4.0

Industria 4.0

Design and Fabrication Technology of Metal Mirrors Based on Additive Manufacturing: A Review
11/11/2021 - In recent years, much progress has been made on the development of metal mirrors based on additive manufacturing (AM). The sandwich mirror is well known for its excellent mechanical properties and...
Approximate Optimization Study of Light Curing Waterborne Polyurethane Materials for the Construction of 3D Printed Cytocompatible Cartilage Scaffolds
11/11/2021 - Articular cartilage, which is a white transparent tissue with 1–2 mm thickness, is located in the interface between the two hard bones. The main functions of articular cartilage are stress...
Wear and Corrosion Resistance of AlSi10Mg–CP–Ti Metal–Metal Composite Materials Produced by Electro-Sinter-Forging
10/11/2021 - Metal–metal composites are a class of composite materials studied for their high ductility and strength, but their potential applications are currently limited by the complex manufacturing...
Ti(C,N) and WC-Based Cermets: A Review of Synthesis, Properties and Applications in Additive Manufacturing
10/11/2021 - In recent years, the use of cermets has shown significant growth in the industry due to their interesting features that combine properties of metals and ceramics, and there are different possible...
Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
10/11/2021 - In this work, three novel re-entrant plate lattice structures (LSs) have been designed by transforming conventional truss-based lattices into hybrid-plate based lattices, namely, flat-plate modified...
3D-Printed Porous Magnetic Carbon Materials Derived from Metal–Organic Frameworks
10/11/2021 - Here we report new porous carbon materials obtained by 3D printing from photopolymer compositions with zinc- and nickel-based metal–organic frameworks, ZIF-8 and Ni-BTC, followed by...
Life-cycle energy and carbon saving potential of Wire Arc Additive Manufacturing for the repair of mold inserts
- Additive Manufacturing (AM) has been identified as a disruptive technology, that enables the transition to Industry 4.0 and allows companies to re-think and re-design both their products and...
Carbon fiber reinforced poly(ether ether ketone) rivets for fastening composite structures
15/01/2022 - Although composite materials are now commonly present in numerous aerospace applications,...
A Bayesian Approach to the Eagar–Tsai Model for Melt Pool Geometry Prediction with Implications in Additive Manufacturing of Metals
08/11/2021 - Abstract This paper focuses on improving the melt pool geometry predictions and quantifying uncertainties using an adapted version of the Eagar–Tsai (E–T) model that...
The Control Algorithm and Experimentation of Coaxial Rotor Aircraft Trajectory Tracking Based on Backstepping Sliding Mode
- In view of the uncertainty of model parameters, the influence of external disturbances and sensor noise on the flight of coaxial rotor aircraft during autonomous flight, a robust backstepping sliding...
Microstructural Analysis of Novel Preceramic Paper-Derived SiCf/SiC Composites
09/11/2021 - This paper presents the results of microstructural analysis of novel preceramic paper-derived SiCf/SiC composites fabricated by spark plasma sintering. The sintering temperature and pressure were...
Nanocellulose-Based Materials for Water Treatment: Adsorption, Photocatalytic Degradation, Disinfection, Antifouling, and Nanofiltration
09/11/2021 - Nanocelluloses are promising bio-nano-materials for use as water treatment materials in environmental protection and remediation. Over the past decades, they have been integrated via novel...
State Monitoring Method for Tool Wear in Aerospace Manufacturing Processes Based on a Convolutional Neural Network (CNN)
- In the aerospace manufacturing field, tool conditions are essential to ensure the production quality for aerospace parts and reduce processing failures. Therefore, it is extremely necessary to...
Microstructural and Mechanical Characterization of Additive Friction Stir-Deposition of Aluminum Alloy 5083 Effect of Lubrication on Material Anisotropy
08/11/2021 - Additive Friction Stir-Deposition (AFS-D) is a transformative, metallic additive manufacturing (AM) process capable of producing near-net shape components with a wide variety of material systems. The...
3D Printing in Alginic Acid Bath of In-Situ Crosslinked Collagen Composite Scaffolds
08/11/2021 - Bone-tissue regeneration is a growing field, where nanostructured-bioactive materials are designed to replicate the natural properties of the target tissue, and then are processed with technologies...
Preliminary Process and Microstructure Examination of Flux-Cored Wire Arc Additive Manufactured 18Ni-12Co-4Mo-Ti Maraging Steel
08/11/2021 - The production of large-size elements using additive manufacturing is a constantly evolving field that includes technological and material solutions. There is a need for a detailed analysis of the...
Optimization of the Warpage of Fused Deposition Modeling Parts Using Finite Element Method
08/11/2021 - Fused deposition modeling (FDM) is one of the most affordable and widespread additive manufacturing (AM) technologies. Despite its simplistic implementation, the physics behind this FDM process is...
PLD-VINS: RGBD visual-inertial SLAM with point and line features
- It is a big challenge for autonomous robots to estimate state efficiently and generate high-precision 3D maps under low texture indoor scenes. This paper proposes a visual-inertial simultaneous...
Underactuated attitude reorientation method based on a novel decoupled characteristic of the plane-axis rotation
- Adequate understanding of rotational properties is significant for the orientation and control of solar energy, robotic, and spacecraft. This paper investigates a rotational decoupled...
Deep learning for detecting building façade elements from images considering prior knowledge
- Building façades elements detection plays a key point role in façade defects detection and street scene reconstruction tasks for sustainable city development. Although the artificial...