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Surface Anomaly Creation. Test coupons comprised of SS316L were used as the basis for the study. These 2.5 inch × 2.5 inch coupons were constructed from sheet metal and plate metal.4 The coupons were …
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The objective is to optimize the manufacturing process and achieve superior wear performance. By investigating the various post-processing techniques on the wear …
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This work offers a thorough investigation of the relationships between the mechanical characteristics, and the wear behaviour of 316L stainless steel produced by …
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For this process, an MR polishing medium is incorporated for producing fine surface finishing on the polished SS316L tiny gear teeth profiles. The finished tiny gear teeth profiles are examined utilizing a field emission scanning electron microscope (FESEM), optical profilometer and spectroscopic analysis.
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However, conventional machining process such as turning, milling, and grinding deteriorate the pores' interconnectivity properties. Hence, the breathing capacity of the PSS diminishes. ... In the present analysis, the EDM process ws performed on three porous SS316L materials with different porosity values. Upon increasing the porosity …
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The SS316L steel is among the widely used structural material due to combination of good mechanical properties and excellent corrosion resistance [6, 7]. Relatively recent studies …
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In order to further optimize the optimal process parameters for micro selective laser melting (MSLM) forming SS316L, the process parameters obtained from the orthogonal experiment are investigated ...
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The experimental material used for the LENS process was 316 L stainless steel; because of its excellent corrosive resistance, it is one of the most widely used steels in the oil and gas industries and chemical plants and is also used as a biomaterial for medical purposes [1], [2].The chemical compositions of the powder that are commonly used in …
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This research work aimed to investigate mechanical and surface properties of post-processed stainless steel 316L (SS316L) fabricated through additive manufacturing …
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The sinter-based manufacturing process used to produce BMD SS316L resulted in lower residual stresses and lower strength, contributing to a higher SCC initiation resistance than the highly stressed CD wrought condition. ... Bradbury A.K. Sensitivity of stress corrosion cracking of stainless steel to surface machining and grinding procedure ...
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The comparative analysis of several post processing techniques for SLM fabricated stainless steel 316L (SS316L) parts showed usability and effectiveness of these techniques [7]. The mechanical surface treatments effects were compared and found smoothest surface from grinding process than blasting for easily accessible and flat …
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Shot peening is a cold work process used to impart compressive residual stresses on to the surface of a component, which results in modified mechanical properties. The shot peening process is used to add …
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The corrosion of nuclear-grade steels in lead–bismuth eutectic (LBE) complicates the realization of high coolant temperatures. Corrosion tests of T91, HT9, and SS316L were performed in static cells at 600 °C for 2000 h at an oxygen level of 10−6 wt.%. The obtained corrosion surfaces of post-processed samples were characterized by …
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This paper reports the research carried out to study the machinability of austenitic stainless steel SS316 using textured tungsten carbide cutting tool under dry environment. Experiments were planned with different combinations of cutting speed, feed rate and depth of cut to study the dynamics of tool-chip interactions i.e. chip morphology …
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Additive manufacturing (AM) is a process in which material is deposited layer by layer to build up a three-dimensional object.[1,2] This facilitates or enables the rapid production of prototype geometries and complex morphologies, making AM an attractive process for the production of low volume parts and novel complex shapes.Additive …
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First Online: 27 May 2022 908 Accesses Part of the Lecture Notes in Mechanical Engineering book series (LNME) Abstract One of the most common methods of metal …
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The process starts by heating the pre-alloyed powder-bound feedstock to the binder's melting point, and then extruding it through a nozzle to fabricate the so …
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Based on the previous studies, the optimal laser parameters verified by experiments were adopted in this work, namely, the laser power was 215 W, and the scanning speed was 900 mm/s [16].It was reported that the island scanning strategy during SLM process results in lower residual stresses and excellent mechanical properties …
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This fundamental investigation presents the study on the grain growth prediction for bead-on-plate of stainless steel SS316L. At first, the numerical model is developed by using basic equation ...
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Additive manufacturing (AM) is defined as the process of adding materials layer-by-layer to manufacture parts of three-dimensional work pieces (Ref 1, 2).Different AM technologies have been developed, such as direct metal laser sintering (DMLS), direct metal deposition (DMD), electron beam melting (EBM) or selective laser melting (SLM) (Ref …
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Grain size distribution: (a) 316L samples directly after the LENS process; (b) SS316L alloy subjected to dynamic deformation. ... grinding. on SiC papers with granulations of 120–2400, polishing ...
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In addition, at the interface between the SS316L and the BP, also SS316L, the formation of a second phase was observed in both structures s howing a ve rmicular morphology (F igure 6f and Figure 7h).
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Microstructure 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 …
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Additive manufacturing has advantages of fabricating complex parts at very greater speed with complete freedom for designer. LENS TM is an additive manufacturing that uses 3D CAD model for depositing metal products directly from metal powder. The effect of process parameters like Laser Power, Scan speed, powder flow rate and …
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Even very small fragments of SS that get re-embedded in the surface will cause rust spotting (smearing from poor machining or grinding will do the same). Take some of your parts and drape clean cloth over them, then wet the cloth with DI water. Check in the morning and see if you have rust spots.
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The results revealed that the surface roughness (Ra) was reduced from 0.3108 to 0.0454 µm upon EPP, and the sharp peaks and protrusions produced as a result of mechanical grinding were removed.
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pumps and process equipment handling glacial acetic acid, which would be discolored by Type 304. Type 316 is likewise applicable for parts hav- ing temperatures above 120ºF (50ºC), for dilute vapors and high pressures. Type 317 has some- what greater corrosion resistance than Type 316 under severely corrosive conditions. None of the
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ss316l grinding process. Get Price ... 2021 0183 32 In the present work, an experimental study was carried out aiming at optimization of shot peening SP process with ultrasonic bombarding frequency to enhance the surface integrity of stainless steel 316 produced by selective laser melting SLM Here, the shots are streamed toward target surface ...
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Powder bed fusion (PBF) is the most commonly adopted additive manufacturing process for fabricating complex metal parts via the layer-wise melting of a powder bed using a laser beam. However, the qualification of PBF-manufactured parts remains challenging and expensive, thereby limiting the broader industrialization of the …
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