Process of direct metal laser sintering (DMLS) 147
Investigation of Direct Metal Laser Sintering Process
... speaking, sintering is defined as a process involving a reduction in the size and the number of pores between particles, and the simultane- ous contraction of the components (metal powder particles ...
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IN-SITU ALLOYING PROCESS OF TI6AL4V-xCU STRUCTURES BY DIRECT METAL LASER SINTERING
... Optimal process parameters need to be established for in- situ alloying of Ti6Al4V-xCu to form dense parts with suitable surface ...of laser scanning speeds and hatch distance on surface characteristics was ...
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Direct metal laser sintering of titanium alloys for biomedical applications
... Cellular structures can perform the function of the irregular rod and plate-like trabeculae in the middle of the cranial bone. In a case when the first outer cortical bone fractures the second still protects the brain ...
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Direct laser sintering of metal powders: Mechanism, kinetics and microstructural features
... phase sintering and melt- ing/solidification approach are the mechanisms feasible for rapid bonding of powder particles in the direct laser sintering pro- cess (DMLS) ...the sintering ...
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Direct Metal Laser Sintering of Titanium implant with Tailored structure and Mechanical Properties
... the laser melt which led to a high temperature gradient which promoted rapid ...the process generates a high surface heat flux which is proportional to the laser ...high laser power gives a ...
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Biomedical Co-Cr-Mo Components Produced by Direct Metal Laser Sintering
... Direct metal laser sintering (DMLS) is an additive manufacturing (AM) technique that uses a laser as the power source to sinter powdered material, aiming the laser automatically ...
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On microstructure and corrosion behaviour of AlSi10Mg alloy fabricated by direct metal laser sintering
... ground DMLS surface, which is in accordance with the potentiodynamic polarization test results. As shown in Figure 2-3, the as-printed sample is covered by the accumulated partially melted powder particles. The surfaces ...
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IN-SITU ALLOYING OF TI6AL4V-x%CU STRUCTURES BY DIRECT METAL LASER SINTERING
... a laser power of 200 W and a spot size of 80 m, power density reaches 40 kW/mm 2 ...DMLS process leads to high thermal gradients which induce residual stress within the ...After laser scanning, the ...
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Residual stress of Ti6Al4V (ELI) parts manufactured by direct metal laser sintering
... which process they are modelling SLA, DMLS, EBM, FDM ...the process which in turn will have an either positive or negative effect on the distribution and development of residual ...
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Rough surfaces with enhanced heat transfer for electronics cooling by direct metal laser sintering
... When the intersection angle ϑ is equal to or less than the critical value, the region needs adding support. The need to improve the surface finish of the parts produced by DMLS has led to a variety of researches on ...
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Manufacturing and Testing Experience with Direct Metal Laser Sintering for Closed Centrifugal Compressor Impellers
... DMLS for Closed Impeller Manufacturing Covered impellers can be manufactured in one-, two-, or so-called three-piece configurations. Manufacturing of two- and three-piece covered impellers (hub and shroud are separate, ...
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Testing for homogeneity and orthotropy of Ti6Al4V (ELI) parts built by Direct Metal Laser Sintering
... of Direct Metal Laser Sintering (DMLS) of Ti6Al4V (ELI) parts, produced at the Centre for Rapid Prototyping and Manufacturing (CRPM) of the Central University of ...post process heat ...
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From Powders to Dense Metal Parts: Characterization of a Commercial AlSiMg Alloy Processed through Direct Metal Laser Sintering
... the laser sintering of hypoeutectic Al–Si powders and the effect of the processing parameters on the densification mechanism and microstructural evolution in laser sintered Al-12Si ...for ...
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Performance Measures of Direct Metal Laser Sintering Hybrid Milling: Mechanical Properties and Environmental Performance Indicators
... of process and property relationships and developing the sustainable material and sustainable process ...the process. Moreover, hybrid process used in these studies were closely relevant to ...
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A Study of the Diffusion Characteristics of Tungsten Bar Stock and Tungsten Produced via Direct Metal Laser Sintering (DMLS)
... F IGURE 9 - D IFFUSIVITIES FOR V ARIOUS S AMPLES P LOTTED WITH F RAUENFELDER M ODEL The initial concentration of these substances is difficult to reliably predict as it is highly dependent on material processing. A good ...
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Tensile and high cycle fatigue properties of annealed TI6AL4V (ELI) specimens produced by direct metal laser sintering
... DMLS process-related pores located at the surface, the sub-surface, or within the cross-section of the ...DMLS process-related pore that was identified by micro-CT scanning of specimen Y-7, which was ...
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Direct Metal Laser Sintering: an additive manufacturing technology ready to produce lightweight structural parts for robotic applications
... Results and discussion Powders analysis FESEM observations reported in Figure 4 of the as-received gas atomized aluminum powder revealed that the particles are spherical and quite regular in shape, ranging in dimen- ...
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Investigation of the Microstructure and Mechanical Properties in Additive Manufactured Inconel 718 by Direct Metal Laser Sintering (DMLS) System
... manufacturing process, the parameters used effect the outcome of the final ...speed, laser powder and solidification pattern. When the laser power is low and the scan speed is high, columnar, ...
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An Analysis of the Surface Geometric Structure and Geometric Accuracy of Cylindrical Gear Teeth Manufactured with the Direct Metal Laser Sintering (DMLS) Method
... of metal parts and finished products in single-piece and small-volume production, as well as for medical ...the process depends on the number of layers applied and the size of the area which must be ...
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Dimensional Accuracy Of Internal Cooling Channel Made By Selective Laser Melting (SLM) and Direct Metal Laser Sintering (DMLS) Processes In Fabrication Of Internally Cooled Cutting Tools
... Selective laser melting(SLM) and direct metal laser sintering(DMLS) are preferred additive manufacturing processes in producing complex physical products directly from CAD computer ...
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