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3D DEM investigation on percolation of lubricant particles during uniaxial metal powder compaction
Based on the discrete element method, a 3D particle size model including MoS 2 lubricant and iron powder particles has been used to simulate the...
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Relation between force chain quantitative characteristics and side wall friction behaviour during ferrous powder compaction
AbstractThe internal mechanical behavior of powder system and the side wall friction behavior during powder compaction keep unclear yet. They are...
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Upconversion Luminescence of Er3+ Ions from Barium Titanate Xerogel Powder and Target Fabricated by Explosive Compaction Method
Photo- and cathodoluminescence in the visible range from erbium-doped barium titanate xerogels obtained in the form of a powder and a target pressed...
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Convective Combustion of a Mechanically Activated Ti + C Mixture under Forced SHS Compaction
AbstractEffect of mechanical activation of components and external pressure on the combustion of a heterogeneous Ti + C mixture under SHS compaction...
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Investigation of the flow and force chain characteristics of metal powder in high-velocity compaction based on a discrete element method
The flow and force chain characteristics of metal powder in high-velocity compaction are not fundamentally understood because of the complexities and...
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The Effect of a Carbon Additive on Compaction of Partially Stabilized Zirconia Powders upon Pressing and Sintering
AbstractZirconia ceramics exhibits high functional and strength properties. The range of its application is continuously expanding. The use of...
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The Influence of the Initial Charge Compaction on the Radiation Synthesis of YAG:Се Ceramics
It is shown that the morphology of the YAG:Ce ceramic samples synthesized in the field of high-energy electron flux depends on the degree of...
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Effect of cohesion on structure of powder layers in additive manufacturing
Producing a consistent layer quality for different raw-materials is a challenge for powder-based additive manufacturing. Interparticle cohesion plays...
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Structure and Phase Composition of Ti–Al–Si Powder Composites at Different Synthesis Conditions
The paper presents the structure and phase composition of Ti−Al−Si powder composites produced in different conditions, which include vacuum sintering...
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Experimental study on dynamic response of micron aluminum powder
It is important to investigate the dynamic compression of granular materials, owing to their extensive applications in powder metallurgy, material...
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Concept of Carbide Compaction of Mixed Uranium-Plutonium Fuel
The Fermi level in uranium dioxide with band gap ε g = 2.1 eV is a logarithmic identifier of the oxidation state of the dioxide and serves as a...
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Effect of gas permeation and consolidation stress evolution on powder flow properties in the gas pressurization process
Gas permeation and consequent powder consolidation during gas pressurization process easily cause deterioration of powder flowability. The effects of...
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Production of Biodegradable Metal Foams by Powder Metallurgy Method
AbstractIn this study, highly porous biocompatible and biodegradable zinc, iron and magnesium alloy foams were fabricated for temporary implant and...
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Synthesis of Titanium–Nickel Intermetallic Compounds from Mechanically Activated Powder Mixtures
AbstractSynthesis products in mechanically activated powder mixtures of titanium and nickel of three compositions corresponding to double...
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A multiphase irreversible-compaction model for granular-porous materials
An Eulerian, hyperbolic, multiphase-flow model for dynamic and irreversible compaction of porous materials is constructed. A reversible model for...
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Viscoelastic response of confined powder under large strain oscillations, characterized by its noise temperature
AbstractWe report a study on granular matter with and without small additions of silicon oil, under low-frequency and large amplitude oscillatory...
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Experimental research on moulding of graphene/PEKK composite powder by spark plasma sintering technology
Polymer composite materials have good mechanical properties and resistance to heat, impact and corrosion. They have been widely used in aviation,...
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Mechanical Properties of Sintered Al–Sn–Fe Alloys
AbstractThe paper analyzes the features of plastic flow in compression in sintered Al–Sn–Fe alloys, some of which were exposed to compaction in a...
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Effect of Compaction Pressure on the \(\mathbf {J_c}\) of Superconductor Bi-2212 in Bulk
The aim of this work was to study the effect of compaction pressure on the growth of the crystalline structure of the Bi-2212 phase and on the...
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Investigation of the Mechanisms of Compaction of CoSb3 Skutterudite Nanopowders under Field-Activated Sintering
AbstractWe calculated the compaction parameters of CoSb 3 thermoelectric powders under field-activated sintering. The values of the creep activation...
