Relative density ≈ Relative density
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Influence of Process Parameters on the Quality of Aluminium Alloy EN AW 7075 Using Selective Laser Melting (SLM) Open
Selective laser melting (SLM) is an additive manufacturing process, forming the desired geometry by selective layer fusion of powder material. Unlike conventional manufacturing processes, highly complex parts can be manufactured with high …
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Effect of powder size distribution on densification and microstructural evolution of binder-jet 3D-printed alloy 625 Open
Binder-jet 3D-printing is a powder bed additive manufacturing process that selectively deposits binder on a powder bed layer-by-layer to fabricate a green part followed by a sintering step for densification. Gas-atomized alloy 625 powders …
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Graded lattice structures: Simultaneous enhancement in stiffness and energy absorption Open
Distinguished capabilities of cellular solids as high-performance energy absorbers can be enhanced by engineering their underlying architectures. In this study, we classify different groups of lattices based on their topology and propose a…
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Selective laser melting of high-performance pure tungsten: parameter design, densification behavior and mechanical properties Open
Selective laser melting (SLM) additive manufacturing of pure tungsten encounters nearly all intractable difficulties of SLM metals fields due to its intrinsic properties. The key factors, including powder characteristics, layer thickness, …
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The Effect of Relative Density on the Mechanical Properties of Hot‐Pressed Cubic <span> <span>Li</span> </span> <sub>7</sub> <span> <span>La</span> </span> <sub>3</sub> <span> <span>Zr</span> </span> <sub>2</sub> <span> <span>O</span> </span> <sub>12</sub> Open
The effect of relative density on the hardness and fracture toughness of Al‐substituted cubic garnet Li 6.19 Al 0.27 La 3 Zr 2 O 12 ( LLZO ) was investigated. Polycrystalline LLZO was made using solid‐state synthesis and hot‐pressing. The …
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Multi-lattice inner structures for high-strength and light-weight in metal selective laser melting process Open
Due to the development of additive manufacturing (AM), lattice structure which cannot be fabricated by the conventional manufacturing process or have shape restriction has attracted much attention. We propose a new lightweight design metho…
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Effect of Hatch Spacing on Melt Pool and As-built Quality During Selective Laser Melting of Stainless Steel: Modeling and Experimental Approaches Open
In this study, a combined simulation and experimental approach is utilized to investigate the influence of hatch spacing on the microstructure and as-built quality of 316L stainless steel (SS) samples fabricated by selective laser melting …
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Evaluation of the dynamic response of triply periodic minimal surfaces subjected to high strain-rate compression Open
Architected cellular structures based on triply periodic minimal surfaces (TPMS) have attracted significant attention due to their lightweight, superior, and controllable mechanical properties. Such lattice structures can be potential cand…
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Selective laser remelting of an additive layer manufacturing process on AlSi10Mg Open
AlSi10Mg samples were fabricated by selective laser melting (SLM) using meander strategy and remelting strategy to gain insight into the variation of the microstructures and microhardness as well as the surface morphology, characteristics …
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Selective laser melting (SLM) of AISI 316L—impact of laser power, layer thickness, and hatch spacing on roughness, density, and microhardness at constant input energy density Open
In selective laser melting (SLM) the variation of process parameters significantly impacts the resulting workpiece characteristics. In this study, AISI 316L was manufactured by SLM with varying laser power, layer thickness, and hatch spaci…
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The Effects of Selective Laser Melting Process Parameters on Relative Density of the AlSi10Mg Parts and Suitable Procedures of the Archimedes Method Open
In view of the importance of accurately measuring the relative density of a selective laser melted (SLMed) part for optimizing the selective laser melting (SLM) processing parameters, suitable procedures of the Archimedes method considerin…
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Process-Structure-Property Relationships of AISI H13 Tool Steel Processed with Selective Laser Melting Open
Due to a good combination of high hardness, wear resistance, toughness, resistance to high operating temperatures, and fairly low material cost, AISI H13 tool steel is commonly used in the manufacture of injection molds. Additive manufactu…
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Effective Design of the Graded Strut of BCC Lattice Structure for Improving Mechanical Properties Open
In order improve the poor mechanical properties of the body-centred cubic (BCC) lattice structure, which suffers from the stress concentration effects at the nodes of the BCC unit cell, a graded-strut design method is proposed to increase …
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Fabrication of Porous Materials by Spark Plasma Sintering: A Review Open
Spark plasma sintering (SPS), a sintering method that uses the action of pulsed direct current and pressure, has received a lot of attention due to its capability of exerting control over the microstructure of the sintered material and fle…
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Intensive processing optimization for achieving strong and ductile Al-Mn-Mg-Sc-Zr alloy produced by selective laser melting Open
The Sc-containing Al[sbnd]Mn alloy system produced by additive manufacturing (AM) has recently presented exciting new opportunities to achieve a step-change in mechanical properties, but its processability remains unclear. In this work, th…
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Dynamic compressive response of additively manufactured AlSi10Mg alloy hierarchical honeycomb structures Open
Periodic honeycombs have been used for their high strength, low weight and multifunctionality. The quasi-static and dynamic compressive responses of three types of additively manufactured AlSi10Mg honeycomb structures, specifically a singl…
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Greenfield tunnelling in sands: the effects of soil density and relative depth Open
Tunnel construction is vital for the development of urban infrastructure systems throughout the world. An understanding of tunnelling-induced displacements is needed to evaluate the impact of tunnel construction on existing structures. Rec…
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Cold-Sintered Temperature Stable Na<sub>0.5</sub>Bi<sub>0.5</sub>MoO<sub>4</sub>–Li<sub>2</sub>MoO<sub>4</sub> Microwave Composite Ceramics Open
© 2017 American Chemical Society. A cold sintering process (150 °C, 30 min and 200 MPa) was employed to fabricate Na 0.5 Bi 0.5 MoO 4 -Li 2 MoO 4 (NBMO-LMO) composites with up to 96.4% relative density. X-ray diffraction traces, backscatte…
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Effect of Process Parameters and High-Temperature Preheating on Residual Stress and Relative Density of Ti6Al4V Processed by Selective Laser Melting Open
The aim of this study is to observe the effect of process parameters on residual stresses and relative density of Ti6Al4V samples produced by Selective Laser Melting. The investigated parameters were hatch laser power, hatch laser velocity…
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Improvement in mechanical properties in AlN-h-BN composites with high thermal conductivity Open
It is possible to improve the machinability of aluminum nitride-hexagonal boron nitride (AlN-h-BN) ceramics while maintaining high strength and high thermal conductivity. The composite ceramics with 0–30 wt% BN as secondary phase were prep…
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Optimisation of selective laser melting parameters for the Ni-based superalloy IN-738 LC using Doehlert’s design Open
Purpose The Ni-based superalloy IN-738 LC is known to be susceptible to porosity and different types of cracking during the build-up process and, thus, challenging to manufacture using selective laser melting (SLM). Determining a feasible …
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Development of Mg based biomaterial with improved mechanical and degradation properties using powder metallurgy Open
In the present work, biocompatible materials such as niobium (Nb), zinc (Zn) and calcium (Ca) have been blended with magnesium (Mg) to develop a novel biomaterial (BM) with improved mechanical and corrosion resistant properties. Powder met…
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Cold sintering and electrical characterization of lead zirconate titanate piezoelectric ceramics Open
This paper describes a cold sintering process for Pb(Zr,Ti)O3 ceramics and the associated processing-property relations. Pb(Zr,Ti)O3 has a very small, incongruent solubility that is a challenge during cold sintering. To circumvent this, a …
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Mechanical and FEA-Assisted Characterization of Fused Filament Fabricated Triply Periodic Minimal Surface Structures Open
This paper investigates the mechanical behavior of additive manufactured Triply Periodic Minimal Surface (TPMS) structures, such as Gyroid, Schwarz Diamond and Schwarz Primitive. Fused Filament Fabrication (FFF) technique was utilized in o…
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Process Optimization and Microstructure Analysis to Understand Laser Powder Bed Fusion of 316L Stainless Steel Open
The microstructural development of 316L stainless steel (SS) was investigated over a wide range of systematically varied laser powder bed fusion (LPBF) parameters, such as laser power, scan speed, hatch spacing and volumetric energy densit…
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Investigations on the Mechanical Response of Gradient Lattice Structures Manufactured via SLM Open
The main aim of the paper is to evaluate the mechanical behavior or lattice specimens subjected to quasi-static and dynamic compression tests. Both regular and three different variants of SS 316L lattice structures with gradually changed t…
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Deformation Process of 3D Printed Structures Made from Flexible Material with Different Values of Relative Density Open
The main aim of this article is the analysis of the deformation process of regular cell structures under quasi-static load conditions. The methodology used in the presented investigations included a manufacturability study, strength tests …
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Effect of SLM Processing Parameters on Microstructures and Mechanical Properties of Al0.5CoCrFeNi High Entropy Alloys Open
Selective laser melting (SLM) to fabricate Al0.5CoCrFeNi high entropy alloys with pre-mixed powders was studied in this paper. The influences of process parameters including laser power, scanning speed, and hatch spacing on the relative de…
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Feasibility study of producing multi-metal parts by Fused Filament Fabrication (FFF) technique Open
Additive manufacturing, or more commonly 3D printing, has been recently established as one of the most advanced technologies for fabricating multi-material parts. In this work, the possibility of manufacturing multi-metal parts by material…
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The effect of sintering process on lithium ionic conductivity of Li<sub>6.4</sub>Al<sub>0.2</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12</sub> garnet produced by solid-state synthesis Open
The synergistic effects of Li concentration and relative density determined the Li+ ionic conductivity.