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PDF Selective Laser Melting of 30CrMnSiA SteelLaser

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Welding Processes Laser Welding Process - OR Laser

The intensity of the laser radiation is around 1 MW per square centimeter.During this process,the laser beam melts the material and also creates a deep steam capillary (also called keyhole) with approximately 1.5 times the diameter of the laser beam.This steam capillary created by the laser welding process is surrounded by the melt.Toward Feedback Control for Additive Manufacturing Additive manufacturing (AM) enables the fabrication of objects using successive additions of mass and energy.In this paper,we explore the use of analytic solutions to model the thermal aspects of AM,in an effort to achieve high computational performance and enable inThe surface-tension-driven B PDF Selective Laser Melting of 30CrMnSiA SteelLaser#233;nard conventions andSelective laser melting (SLM) is a member of the additive manufacturing family of technologies whereby a three-dimensional (3D) part is built layer by layer by laser scanning of a precursor powder bed [1-4].The physical feature of SLM is very similar to the micro-beam laser welding; a high energy and fast scanning micro laser beam

The influence of laser re-melting on microstructure and

The influence of laser re-melting on microstructure and hardness of gas-nitrided steel Dominika Panfila,Piotr Wachb,Micha Kulkaa*,Jerzy Michalskib a Poznan University of Technology,Piotrowo 3 Street,60-965 Poznan,Poland a Institute of Precision Mechanics,Warsaw,Poland e-mail address [email protected]The influence of laser re-melting on microstructure and The influence of laser re-melting on microstructure and hardness of gas-nitrided steel Dominika Panfila,Piotr Wachb,Micha Kulkaa*,Jerzy Michalskib a Poznan University of Technology,Piotrowo 3 Street,60-965 Poznan,Poland a Institute of Precision Mechanics,Warsaw,Poland e-mail address [email protected]Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextRapid additive manufacturing of MR compatibleThis melting is done by selective laser melting at the locations where the CAD design file defines solid material.Methods A complex collimator with 20 loftholes with 500 m diameter pinhole opening was designed and produced (16 mm thick and 70 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#215; 52 mm 2 transverse size).

Some results are removed in response to a notice of local law requirement.For more information,please see here.12345NextMaterials Free Full-Text Selective Laser Melting of

Additive manufacturing (AM) is a rapidly growing field of technology.In order to increase the variety of metal alloys applicable for AM,selective laser melting (SLM) of duplex stainless steel 2205 powder and the resulting microstructure,density,mechanical properties,and corrosion resistance were investigated.An optimal set of processing parameters for producing high density (gt;99.9% Some results are removed in response to a notice of local law requirement.For more information,please see here.Selective Laser Melting of Duplex Stainless Steel 2205 Selective laser melting was performed on an SLM 125 (SLM Solutions).Based on preliminary single-track experiments and building of several sets of trial samples,the parameters presented in Table 2 were selected for processing final specimens.These parameters enable reasonably good production efficiency.

SLM-manufactured 30CrMnSiA alloy Mechanical properties

Microstructures and mechanical properties of 30CrMnSiA alloy parts fabricated by forged annealing and selective laser melting (SLM) processes were compared in this study.SLM fabricated (SLMed) 30CrMnSiA alloy parts possess higher hardness and tensile strength than forged annealed (FAed) parts,however,a characteristic of low plasticity and Rapid additive manufacturing of MR compatibleThis melting is done by selective laser melting at the locations where the CAD design file defines solid material.Methods A complex collimator with 20 loftholes with 500 m diameter pinhole opening was designed and produced (16 mm thick and 70 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#215; 52 mm 2 transverse size).PAPER OPEN ACCESS Additive manufacturing for steels[35].The PB process covers the electron beam melting (EBM) and selective laser melting (SLM),while flow-based method includes the laser-engineered net shaping (LENS),direct metal deposition (DMD) and direct metal laser sintering (DMLS).PB technique starts from the bed of powder and the beam scanning the powder that melts the

Numerical Study on Thermodynamic Behavior during

In this paper,a multi-layer and multi-track finite element model of 24CrNiMo alloy steel by selective laser melting (SLM) is established by using the ABAQUS software.The distribution and evolution of temperature field and stress field and the influence of process parameters on them are systematically studied.The results show that the peak temperature increases from 2153 deg;C to 3105 deg Modeling the Temperature Fields of Copper Powder Melting Sep 01,2016 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#0183;Various process variables influence on the quality of the end product when SLM (Selective Laser Melting) synthesizing items of powder materials.The authors of the paper suggest using the model of distributing the temperature fields whenModeling the Temperature Fields of Copper Powder Melting Sep 01,2016 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#0183;Various process variables influence on the quality of the end product when SLM (Selective Laser Melting) synthesizing items of powder materials.The authors of the paper suggest using the model of distributing the temperature fields when

Metallurgical defect behavior,microstructure evolution

Mar 30,2020 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#0183;In this study,the effects of laser volumetric energy density () on the metallurgical defect behavior and microstructure evolution of H13 die steel fabricated by selective laser melting (SLM) additive manufacturing are systematically studied,and underlying thermal mechanisms are revealed.The results indicate that the metallurgical defect behavior is significantly affected by the applied Metallurgical defect behavior,microstructure evolution ,31(8) 807-814.[6] Yue-Ling Guo,Li-Na Jia,Bin Kong,Yong-Lin Huang,Hu Zhang.Mechanical properties and microstructural characterization The purpose of this paper is to understand the effect of four different factors building orientation,heat treatment (solution annealing and aging),thermal history and process parameters on the mechanical properties and microstructural features of 17-4 precipitation hardening (PH) stainless steel (SS) parts produced using selective laser melting (SLM).,Various sets of test samples were built

Materials Free Full-Text Selective Laser Melting of

Additive manufacturing (AM) is a rapidly growing field of technology.In order to increase the variety of metal alloys applicable for AM,selective laser melting (SLM) of duplex stainless steel 2205 powder and the resulting microstructure,density,mechanical properties,and corrosion resistance were investigated.An optimal set of processing parameters for producing high density (gt;99.9% Laser melting characterization for H13-steel 3D printing Selective laser melting is one of the important 3d printing process for its capability of the complex shape production for metal part.H13 steel is one of the difficult metal material to fabricate due to its high hardness,thus selective laser melting process can be efficiently applied for its net-shape production.Laser melting characterization for H13-steel 3D printing Selective laser melting is one of the important 3d printing process for its capability of the complex shape production for metal part.H13 steel is one of the difficult metal material to fabricate due to its high hardness,thus selective laser melting process can be efficiently applied for its net-shape production.

LASER MELTING CHARACTERIZATION FOR H13-STEEL

ABSTRACT Selective laser melting is one of the important 3d printing process for its capability of the complex shape production for metal part.H13 steel is one of the difficult metal material to fabricate due to its high hardness,thus selective laser melting process canComparison of Maraging Steel Micro- and Nanostructure This,in turn,makes them amenable to metal additive manufacturing (AM) processes,in particular Laser Metal Deposition (LMD) and Selective Laser Melting (SLM) [8,9,10,11,12,13,14,15,16].Since these processes involve a small melt pool generated by a laser beam for the consolidation of powder feedstock to a dense material,they share Comparative Study of Selective Laser Melting and Direct The Ni3Al intermetallics involve more attention because of inherent material properties especially interesting in high temperature application.In this study the Selective laser melting (SLM) and Direct laser metal deposition (DLMD) are used to manufacture the single-tracks and layers.For the comparison of the methods,the optical microscopy,SEM,XRD and EDX microelement analysis were involved.

Cited by 9Publish Year 2018Author Lin-Zhi Wang,Wen-Hou Wei(PDF) Effect of laser energy density on microstructures

Energy density is often used as a metric to compare components manufactured with Selective Laser Melting (SLM) under different sets of deposition parameters (e.g.,laser power,scan speed,layer Cited by 5Publish Year 2018Author Lin-zhi Wang,Jiao-jiao Wu,Xue-fei Huang,Xing-fu HongActa Metallurgica Sinica (English Letters) Volume 31 Selective Laser Melting of 30CrMnSiA Steel Laser Energy Density Dependence of Microstructural and Mechanical Properties Authors.Lin-Zhi Wang; Wen-Hou Wei;Capabilities and Performances of the Selective Laser Selective Laser Melting Equipment technology provide a laser system,a set of optical laser beam focusing,a powder feeding system (loader and roller or coater) and a control center (Fig.1).The piece to be achieved should be drawn using a three dimensional solid or surface

CN101229586A - Method of manufacturing 300M ultrahigh

The invention relates to a method for manufacturing a 300M ultrahigh strength steel aircraft landing gear.300M unimach boards,steel bars or forging parts are mechanically processed into fine bars and then produced into powder; by adopting laser forming technology,according to a three-dimensional number module of parts of an outer cylinder,a piston rods,etc.of the landing gear,the 300M Aging behaviour and mechanical performance of 18-Ni 300 An 18-Ni 300 grade maraging steel was processed by selective laser melting and an investigation was carried out on microstructural and mechanical behaviour as a function of aging condition.Owing to the rapid cooling rate,the as-built alloy featured a full potential for precipitate strengthening,without the need of a solution treatment prior Aging behaviour and mechanical performance of 18-Ni 300 An 18-Ni 300 grade maraging steel was processed by selective laser melting and an investigation was carried out on microstructural and mechanical behaviour as a function of aging condition.Owing to the rapid cooling rate,the as-built alloy featured a full potential for precipitate strengthening,without the need of a solution treatment prior

Acta Metallurgica Sinica (English Letters)

Abstract .Three-dimensional parts of the 30CrMnSiA steel were successfully fabricated using selective laser melting (SLM).The microstructures and mechanical properties of the SLM-processed 30CrMnSiA samples were investigated by scanning electron microscope and transmission electron microscopy.Acta Metallurgica Sinica (English Letters),Volume 31 Aug 08,2018 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#0183;Selective Laser Melting of 30CrMnSiA Steel Laser Energy Density Dependence of Microstructural and Mechanical Properties Lin-Zhi Wang ,Wen-Hou Wei Pages 807-814 OriginalPaper3D printing with metal The final frontier of additive Dec 27,2012 PDF Selective Laser Melting of 30CrMnSiA SteelLaser#0183;Few fields have seen as much development in one year as that of 3D printing using virtually any material.Undoubtedly,the most dramatic and challenging has been printing with metal.

(PDF) Selective Laser Melting of 30CrMnSiA Steel Laser

Selective Laser Melting of 30CrMnSiA Steel Laser Energy Density Dependence of Microstructural and Mechanical Properties Article (PDF Available) in Acta Metallurgica Sinica (English Letters) 31(8

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