When the processing parameters were related to energy density function, regression equation utilising energy density has a better performance, but its use is restricted to the range of energy density reported. The materials became permeable when the relative density is less than 95%. ... (SS316L) alongside laser power as another …
بیشترFigure 2b shows the tensile properties of SLM-built SS316L samples with varying process parameters. The mechanical requirements for SS316L based on ASTM …
بیشترThe graded material of SS316L-stainless steel/Rene88DT-superalloy was fabricated by using laser rapid forming. A linear compositional gradient, from 100% SS316L stainless steel to 100% Rene88DT superalloy, was achieved within a length of about 40 mm. The solidification behavior and morphological evolution along the composition gradient …
بیشترTherefore, the relevance of this experimental heat Figure 5. Temperature-dependent thermal conductivity of AISI 316 stainless steel. Comparison of the estimates determined in this study with data ...
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بیشترSS316l‑IN718 multi‑material: numerical modeling and experimental analysis Reza Ghanavati1, Homam Naakh‑Moosavy1*, Mahmoud Moradi2 & Mohsen Eshraghi3
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بیشترGas-atomized SS316L powder was chosen as the experimental material due to its wide applications in AM with high ductility, strength, and chemical stability. The size …
بیشترWe produced three SS316L cubes (1 cm length each) using a SLM 500 HL (SLM Solutions, Germany) equipped with a 400-Watt IPG fiber laser with a Gaussian beam profile and a spot size of ∼ 80 μm. We employed gas atomized powder (Sandvik AB, Sweden) with a nominal composition of Fe–18Cr–14Ni-2.5Mo-0.03C (wt.%) and a …
بیشترMultiple experiments were performed by Yadroitsev et al. to optimize laser power and scanning velocity for SS316L and H13 steel. At high processing speeds, Gusarov et al. [ 22 ] achieved relative errors of up to 4.15% and 3.95% for the width and depth of molten pools, respectively, while keeping the power and scan velocity at 350 W and 1.14 …
بیشترMicrostructure and hardness of SS316L-Si deposited by direct laser deposition (DLD) on a conventional SS316L base material are studied. The DLD process produced a crack-free metallic part with a density of ~ 99.5%. The as-deposited samples exhibit a microstructure with millimetre-sized solidified melt pools. They consist mainly of …
بیشترThe present work aims to adopt the directed energy deposition (DED) technique for repairing the hot rolled steel (HRS) by depositing stainless steel 316L …
بیشترSS316L steel is known as a marine-grade material, which is frequently used in shipbuilding structures and marine industries. In the present study, a shielded metal arc welding (SMAW) process was used for welding of SS316L steel plate by using electrode E316L-16 and E308L-16, welding currents of 70, 80 and 90 A and constant voltages of …
بیشترas a fitness function to multi-objective optimization using a genetic algorithm (GA). ... (MRR) were considered as responses during µ-EDM of stainless steel SS316L. A good confirmatory result is ...
بیشترSS316L cubic samples (5 mm in length, width, and height) and tensile specimens were fabricated using gas atomized spherical powder with an average diameter of 13.32 μm. ... The overlapping ratio of the molten pool changes as the function of the hatch spacing employed, and thus partial cellular structures are remelted by the …
بیشترDefinition of Thermal Conductivity Thermal conductivity also called heat conductivity, refers to the the heat transferred "K", due to the unit temperature gradient, under steady conditions, in a unit time, in the direction perpendicular to the surface per unit area, and when the heat transfer depends only on the temperature gradient. SI unit: W/m·K or […]
بیشترFigure 2b shows the tensile properties of SLM-built SS316L samples with varying process parameters. The mechanical requirements for SS316L based on ASTM A240/A240M 28 are indicated in Fig. 2b. It ...
بیشترThank you all for the valuable comments. The piping vendor is able to offer only the dual certified SS316/SS316L material which per your comments is better than SS316L. Also they don't seem to stock SS316L pipe material which is also more expensive. I have placed order for the dual certified material. Thanks and Regards, Pavan Kumar
بیشترa The experimental HM setup in which DED and milling were performed.b Model of the FGM structure for this research, and the HM process configuration. Note: the z-axis is the build-up direction.The composition in the FGMs was gradually transferred from the 100% SS316L substrate and the first established 100% SS316L material section on …
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بیشترThis system works with multiple powder deposition functions and vacuum cleaning procedures allowing to use two different powders (Ti6Al4V and CoCrMo) in each layer and thus, allowing to construct ...
بیشترA continuous debinding-sintering process was developed for the densification of the SS316L green parts. In addition, the microstructural and mechanical properties of …
بیشترthe multi-material microstructure in the SS316L section mostly co nsists of austenit e phase and a small amount of the delta ferrite phase (δ) in the interce llular regions (Fig. 15 a,b ...
بیشترStudying the Effect of Thermal Fatigue on Multiple Cracks Propagating in SS316L Thin Flange on Shaft Specimen using Multi-Physics Numerical Simulation Model ... semi‐analytical functions ...
بیشترOpen access. Published: 05 October 2022. Printability and microstructure of directed energy deposited SS316l-IN718 multi-material: numerical modeling and …
بیشترMultiple passes are welded together using gas tungsten arc welding. A 2.4 mm diameter filler rod fabricated from SS316L is used in the tests. 120 mm × 60 mm × 5 mm are the measurements of the base plate. Milling at 60 0 degrees produced a single V-grooved edge that allowed a steady stream of molten filler wire in the welding groove.
بیشترmicrostructural defects and their impact on the mechanical response of SS316L components produced by SLM. In particular, the specimens extracted from different locations of the …
بیشترThe corrosion resistance of the SLM-processed SS316L was found to be a function of process parameter. ... D.-K. Kim, W. Woo, E.-Y. Kim, and S.-H. Choi, Microstructure and Mechanical Characteristics of Multi-Layered Materials Composed of 316L Stainless Steel and Ferritic Steel Produced by Direct Energy Deposition, J. Alloys …
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بیشترL i ≤ U i, i = 1, 2, n, where n is the number of variables, o is the number of objective functions, m is the number of inequality constraints, p is the number of equality constraints, q i is the i th inequality constraints, hi indicates the i th equality constraints, and [Li, Ui] are the boundaries of i th variable. In a multi-objective search space, the …
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