Results 1 to 10 of about 14,166 (306)

The Role of Nano-sized Fraction on Spark Plasma Sintering the Pre-Alloyed Spark-Erosion Powders [PDF]

open access: yesЖурнал нано- та електронної фізики, 2012
Ti-Ni-Hf, Ni-Al and Cu-Al-Ni shape memory materials were produced by spark plasma sintering method from the micron and nano-sized particles prepared by spark-erosion method in cryogenic liquid from preliminary melted master alloys.
Yu.N. Koval   +4 more
doaj   +1 more source

Design and Mechanical Properties of ZTA–Niobium Composites with Reduced Graphene Oxide

open access: yesCeramics
Niobium–graphene oxide–zirconia-toughened alumina (ZTA) composites were produced by wet mixing and spark plasma sintering. The microstructure and mechanical properties of this novel composite have been studied. The results show that niobium particles are
Sergey Grigoriev   +7 more
doaj   +1 more source

The Influence of Filler Morphology and Loading Level on the Properties of Light-Curing Dental Composites

open access: yesDentistry Journal
Background/Objectives: Light-curing dental resin composites remain limited by high polymerization shrinkage, inadequate wear resistance, and elevated water sorption.
Ekaterina Kuznetsova   +6 more
doaj   +1 more source

Spark-Plasma Sintering of Al2O3–Graphene Nanocomposite

open access: yesInorganic Materials: Applied Research, 2018
[EN] In the present work, the properties of Al2O3 nanocomposite prepared via spark-plasma sintering and reinforced with 0.5-2 wt % graphene are studied. Samples with different graphene contents are subjected to measurements of density, microhardness, coefficient of friction of composite-ruby, and frictional wear rate of composite. The fracture and wear
Zholnin, Aleksander   +8 more
openaire   +3 more sources

3Y-TZP/Ta Biocermet as a Dental Material: An Analysis of the In Vitro Adherence of Streptococcus Oralis Biofilm and an In Vivo Pilot Study in Dogs

open access: yesAntibiotics
The surface adhesion of bacterial cells and the in vivo biocompatibility of a new ceramic–metal composite made of zirconium dioxide and tantalum were evaluated.
Anton Smirnov   +10 more
doaj   +1 more source

Nanomaterials Processed by Spark Plasma Sintering [PDF]

open access: yesJournal of Nanomaterials, 2013
The spark plasma sintering (SPS), a variant of field-assisted sintering (FAST) or pulsed electric current sintering (PECS), is a novel pressure assisted pulsed electric current sintering process, which utilizes ON-OFF DC pulse energizing. Due to the repeated application of an ON-OFF DC pulse voltage and current flow between powder particles, the spark ...
Faming Zhang   +4 more
openaire   +3 more sources

Determination of Annealing Temperature of Thin-Walled Samples from Al-Mn-Mg-Ti-Zr Alloys for Mechanical Properties Restoration of Defective Parts After SLM

open access: yesJournal of Manufacturing and Materials Processing
The aim of this work is to investigate the effect of annealing (at temperatures ranging from 260 °C to 530 °C) of thin-walled Al-Mn-Mg-Ti-Zr samples manufactured by selective laser melting (SLM) on their tensile mechanical properties, hardness, and ...
Nikita Nikitin   +7 more
doaj   +1 more source

Optimization of process parameters for spark plasma sintering of nano structured SAF 2205 composite

open access: yesJournal of Materials Research and Technology, 2018
This research optimized spark plasma sintering (SPS) process parameters in terms of sintering temperature, holding time and heating rate for the development of a nano-structured duplex stainless steel (SAF 2205 grade) reinforced with titanium nitride ...
Samuel Ranti Oke   +5 more
doaj   +1 more source

Transparent Alumina/Ceria Nanocomposites By Spark Plasma Sintering [PDF]

open access: yesAdvanced Engineering Materials, 2010
AbstractThe influence of oxides (such as MgO, TiO2, CaO, etc.) on the transparency of polycrystalline alumina compacts are widely studied in the literature. In this work, a completely different approach is developed, consisting of precipitating 0.5 wt.‐% CeO2 nanoparticles (< 5 nm) on the surface of the starting alumina nanopowder (d50 approximately
Álvarez-Clemares, I.   +7 more
openaire   +3 more sources

Net-Shape NiTi Shape Memory Alloy by Spark Plasma Sintering Method

open access: yesApplied Sciences, 2021
An analysis of the shape memory effect of a NiTi alloy by using the spark plasma sintering approach has been carried out. Spark plasma sintering of Ti50Ni50 powder (20–63 µm) at a temperature of 900 °C produced specimens showing good shape memory effects.
Sneha Samal   +8 more
doaj   +1 more source

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