Industria 4.0

Industria 4.0

Green nanocomposite gels based on binary network of sodium alginate and percolating halloysite clay nanotubes for 3D printing
- Alginate hydrogels with embedded rigid percolating network of halloysite clay nanotubes were evaluated as a novel ink for 3D printing. Hydrophilic alginate macromolecules adsorbing on halloysite...
Correction to Expression of Concern: Custom-made artificial eyes using 3D printing for dogs: A preliminary study
13/01/2022 - Since publishing this Expression of Concern [1] on the 2020 research article by Park et...
4D printing of polymers: Techniques, materials, and prospects
- Since the concept of four-dimensional (4D) printing first emerged from additive manufacturing technologies in 2013, there has been growing interest from researchers worldwide to harness its...
Peridynamic analysis to investigate the influence of microstructure and porosity on fatigue crack propagation in additively manufactured Ti6Al4V
15/02/2022 - Additive Manufacturing (AM) has gained a lot of interest due to the freedom to produce complex metal geometries directly from the designed digital model. Despite the high potential of AM, the...
Effect of Variations in Microwave Processing Temperatures on Microstructural and Mechanical Properties of AA7075/SiC/Graphite Hybrid Composite Fabricated by Powder Metallurgy Techniques
12/01/2022 - Due to the demand in present industrial, aerospace, defense sectors for lightweight high-performance aluminum (Al) particle-reinforced metal matrix composites, the advancement of techniques to...
Mo–SiBCN metal-ceramic composites with enhanced and tunable thermophysical properties and thermal shock resistance
- In this study, Mo–SiBCN metal-ceramic composites with or without sintering additives of MgO, Al2O3, and SiO2 were fabricated by hot-press sintering at 1800 °C/60 MPa/30 min to investigate...
Mechanical reinforcement of 3D printed cordierite-zirconia composites
- In this study, composite ceramic slurries based on submicron-micron-sized cordierite-zirconia were prepared with varied zirconia content. Standard bending strength and fracture toughness testing...
Mechanical properties and microstructure of spark plasma sintered Al2O3-SiCw-Si3N4 composite ceramic tool materials
- In this study, Al2O3-SiCw-Si3N4-based ceramic tool materials were fabricated by spark plasma sintering technique. The impact of sintering temperature on mechanical properties and local...
A new method for preparing cubic-shaped Sr2MgSi2O7: Eu2+, Dy3+ phosphors and the effect of sintering temperature
- In this study, cubic phase Sr2MgSi2O7:Eu2+, Dy3+ long afterglow phosphors are prepared by slurry-assisted high-temperature solid phase (SHT) method. XRD patterns, SEM images, fluorescence spectra,...
Study of the elastic properties and thermal shock behavior of Al–SiC-graphite hybrid composites fabricated by spark plasma sintering
- Al–SiC and hybrid Al–SiC-graphite MMCs with up to 70 vol% SiC and 10 vol% graphite were fabricated using spark plasma sintering. Detailed studies of the microstructure, Vickers hardness,...
Performance study of foam ceramics prepared by direct foaming method using red mud and K-feldspar washed waste
- In this study, foam ceramics were prepared via a direct foaming method at high temperatures (1080–1120 °C), using red mud (RM) and K-feldspar washed waste (KFW) as the raw materials and SiC as...
Preparation and properties of fused silica ceramics by Isobam spontaneous coagulation casting
- By surface modification with APTMS, spontaneous coagulation casting (SCC) of fused silica based on Isobam was achieved and the possible coagulation and molding mechanism is proposed. Through the...
Preparation of TiB2–SiC composites toughened with interlocking microstructure by self-assembled TiB2 plates
- The spark plasma sintering (SPS) technique was found to effectively improve the mechanical properties of TiB2–SiC ceramic by forming a unique interlocking structure. This study investigated the...
Enhanced mechanical properties of porous titanium implants via in-situ synthesized titanium carbide in lamellar pore walls
- Directional lamellar porous titanium scaffolds are widely used as bone implant bearing materials because of their anisotropic pore structure. Their mechanical properties can be effectively...
Effect of sintering temperature on solidification and migration of non-volatile and volatile heavy metals in glass-ceramic
- Using tailings as material to prepare glass-ceramic is an excellent way to achieve the resource utilization of solid waste. However, at present, researches on the solidification and migration of...
Icariin-releasing 3D printed scaffold for bone regeneration
01/03/2022 - The polycaprolactone (PCL) and nano-hydroxyapatite (nHAP) composite is an attractive material for bone scaffolds with excellent mechanical properties and osteoinductivity. It also exhibited good...
Polymer/metal composite 3D porous bone tissue engineering scaffolds fabricated by additive manufacturing techniques: A review
01/03/2022 - The employment of tissue engineering scaffolds in the reconstruction of the damaged bone tissues has shown remarkable promise since they significantly facilitate the healing process. Fabrication...
Highly efficient and robust Pt ensembles on mesoporous alumina for reversible H2 charge and release of commercial benzyltoluene molecules
- Metal single atoms often exhibit unique selectivity with maximized atom efficiency. However, they are usually generated at low metal loadings and susceptible to severe reaction conditions...
Chemical incorporation of Mn3O4 into TiO2 coating by benzotriazole working as electron donor: Electrochemical and catalytic performance
01/03/2022 - Metal oxide-based catalysts are of great interest for highly efficient catalytic reactions during the degradation of organic compounds. However, most metal oxide-based catalysts are in the form of...
High-temperature oxidation performance of Inconel 625 superalloy fabricated by wire arc additive manufacturing
01/04/2022 - High-temperature oxidation behavior of Inconel 625 superalloy manufactured by wire arc additive manufacturing (WAAM) technique was investigated. Results showed that microstructure of the as-built...