Fabricación aditiva

Fabricación aditiva

Latest advances in manufacturing and machine learning of bulk metallic glasses
31/01/2023 - In this review, we focus on two interrelated areas for the development of novel amorphous metallic alloys, namely materials processing and machine learning techniques for the design of new alloy...
Microstructure, Interfacial Characteristics and Wear Performances of Cu?Fe?SiC Cermet Composites
31/01/2023 - The Cu?Fe metal?based ceramic grinding wheel material with SiC as abrasive was prepared by the powder metallurgy process of ball milling and hot pressing sintering. Cu?Fe?SiC cermets with Cu: Fe mass...
Conformal 3D Material Extrusion Additive Manufacturing for Large Moulds
01/02/2023 - Industrial engineering applications often require manufacturing large components in composite materials to obtain light structures; however, moulds are expensive, especially when manufacturing a...
Novel Alumina Dispersion-Strengthened 316L Steel Produced by Attrition Milling and Spark Plasma Sintering
01/02/2023 - Alumina dispersion-strengthened 316L stainless steels were successfully produced using attrition milling and spark plasma sintering. Two different composites (316L/0.33 wt% and 316L/1 wt% Al2O3) were...
Optimization of Hexagonal Structure for Enhancing Heat Transfer in Storage System
31/01/2023 - Thermal performance was tested during cycling work for latent heat storage systems based on KNO3 and NaNO3 (weight ratio 54:46). For heat transfer improvement, cast aluminum honeycomb-shaped...
The Effect of Postprocessing on the Fatigue Properties of Ti-5Al-5Mo-5V-1Cr-1Fe Produced Using Electron Beam Melting
31/01/2023 - Despite the significant potential advantages of processing Ti-5Al-5Mo-5V-1Cr-1Fe alloy (Ti-55511) using Electron Beam Melting (PBF-EB/M), when compared to conventional manufacturing technologies, the...
Towards Highly Efficient, Additively Manufactured Passive Vibration Eliminators for Mechanical Systems
01/02/2023 - Structural damping largely determines the dynamic properties of mechanical structures, especially those whose functioning is accompanied by time-varying loads. These loads may cause vibrations of a...
A Review of Particle Size Analysis with X-ray CT
01/02/2023 - Particle size and morphology analysis is a problem common to a wide range of applications, including additive manufacturing, geological and agricultural materials’ characterisation,...
Influence of Process Parameters on the Characteristics of Additively Manufactured Parts Made from Advanced Biopolymers
31/01/2023 - Over the past few decades, additive manufacturing (AM) has become a reliable tool for prototyping and low-volume production. In recent years, the market share of such products has increased rapidly...
Manufacturing Technologies of Polymer Composites—A Review
31/01/2023 - Polymer composites have been widely used in the aviation, aerospace, automotive, military, medical, agricultural and industrial fields due to their excellent mechanical properties, heat resistance,...
Energy Recovery from Polymeric 3D Printing Waste and Olive Pomace Mixtures via Thermal Gasification—Effect of Temperature
01/02/2023 - One of the polymeric materials used in the most common 3D printers is poly(ethylene terephthalate) glycol (PETG). It represents, in world terms, around 2.3% of polymeric raw material used in additive...
Preparation and tribological behavior of high?temperature oil?containing porous polyimides
30/01/2023 - Wear and lubrication mechanism of oil?containing porous polyimides under under point?contactsliding conditions.This paper aimed to attempt the fabrication of high?temperature oil?containing porous...
Bi-directional Scan Pattern Effects on Residual Stresses and Distortion in As-built Nitinol Parts: A Trend Analysis Simulation Study
30/01/2023 - Abstract In this paper, a part-scale simulation study on the effects of bi-directional scanning patterns (BDSP) on residual stress and distortion formation in additively...
Microstructure and Mechanical Properties of Core-Shell B4C-Reinforced Ti Matrix Composites
30/01/2023 - Composite material uses ceramic reinforcement to add to the metal matrix to obtain higher material properties. Structural design is an important direction of composite research. The reinforcement...
Two-Step Preparation of CCF/PEEK Wrapped Yarn for 3D Printing Composites with Enhanced Mechanical Properties
30/01/2023 - Continuous fiber reinforced thermoplastic composites (CFTPCs) have shown advantages such as high strength, long life, corrosion resistance, and green recyclability. Three-dimensional printing of...
Oxidation Kinetics of Ti-6Al-4V Alloys by Conventional and Electron Beam Additive Manufacturing
30/01/2023 - New manufacturing processes for metal parts such as additive manufacturing (AM) provide a technological development for the aeronautical and aerospace industries, since these AM processes are a means...
Determination of Elastic Modulus, Stress Relaxation Time and Thermal Softening Index in ZWT Constitutive Model for Reinforced Al/PTFE
30/01/2023 - Al/PTFE has the advantages of high impact-responsive energy release, appropriate sensitivity, a fast energy release rate, and high energy density, and it is increasingly widely being used in the...
Three?dimensional printing of triply periodic minimal surface structured scaffolds for load?bearing bone defects
29/01/2023 - This study presents the potential application of 3D printing technology for the fabrication of TPMS?structured bioactive, biomimetic, and biodegradable scaffolds. Gyroid and primitive structured TPMS...
Structural-Phase State and Properties of SiC Ceramics Obtained by Ultrasound-Assisted Liquid-Phase Sintering with Eutectic Additives
30/01/2023 - This study proposes an experimental charge composition for sintering carbide ceramics with additives forming a liquid phase: MnO 2.5 wt. %?+?Al2O3 2.0 wt. %?+?SiC 91.0 wt. %?+?SiO2 4.5 wt. %. The...
Effect of shot peening strengths on microstructure and mechanical properties of 316L stainless steel prepared by 3D printing
28/01/2023 - In this paper, the influence of shot peening on the microstructure and mechanical properties of 3D printed 316L stainless steel was studied by OM, EBSD and mechanical properties testing. The changes...
Fabrication and Mechanical Properties of Tri?Layer B4C Reinforced Al ? Zn Functionally Graded Foam having Higher Energy Absorption Efficiency
27/01/2023 - Metal foams are lightweight and have a higher impact energy absorption ability, making them suitable for various dynamic load applications. However, thin cell walls having higher porosity and lower...