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Dissertations / Theses on the topic '316l stainless steel powder'

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Published: 5 June 2025

Last updated: 2 August 2025

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1

Hahne, William. "Optimization of laser powder bed fusion process parameters for 316L stainless steel." Thesis, Uppsala universitet, Oorganisk kemi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-448263.

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The interest for additive manufacturing techniques have in recent years increased considerably because of their association to good printing resolution, unique design possibilities and microstructure. In this master project, 316L stainless steel was printed using metal laser powder bed fusion in an attempt to find process parameters which yield good productivity while maintaining as good material properties as possible. Laser powder bed fusion works by melting a powder bed locally with a laser. When one slice of the material is done, the powder bed is lowered, new powder is added on top, and t

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2

Talamantes-Silva, Jose. "Liquid phase sintering of austenitic stainless steel 316L powder using tin and nickel." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287168.

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POLA, ENRIQUE J. G. "Desenvolvimento e caracterizacao de filtros porosos de aco inoxidavel AISI 316L." reponame:Repositório Institucional do IPEN, 1994. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9261.

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Goss, Cullen. "SLM 125 Single Track and Density Cube Characterization for 316L Stainless Steel." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2050.

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Selective Laser Melting is a rapidly developing additive manufacturing technique that can be used to create unique metal parts with tailormade properties not possible using traditional manufacturing. To understand the process from a most basic level, this study investigates system capabilities when melting single tracks of material. Individual tracks allow for a wide range of scan speeds and laser powers to be utilized and the melt pools analyzed. I discuss how existing studies and simulations can be used to narrow down the selection of potentially successful parameter combinations as well as

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5

Miller, Jacob T. "Sulfuric Acid Corrosion to Simulate Microbial Influenced Corrosion on Stainless Steel 316L." Youngstown State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ysu151621775594905.

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6

Johnston, Scott R. "Initial stage sintering model of 316L stainless steel with application to three dimensionally printed (3DPtm) components /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/7052.

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ZAMPIERON, JOAO V. "Caracterizacao fisica de particulas e reologica de um sistema heterogeneo utilizado em moldalgem de pos por injecao a baixa pressao." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10979.

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8

Omar, Mohd Afian. "Injection moulding of 316L stainless steel and NiCrSiB alloy powders using a PEG/PMMA binder." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310806.

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9

JANDAGHI, MOHAMMADREZA. "Development of the additively manufactured stainless steel 316L and AlSi10Mg alloys by in situ alloying and post-process treatment." Doctoral thesis, Politecnico di Torino, 2023. https://hdl.handle.net/11583/2976602.

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10

Roos, Stefan. "Process Development for Electron Beam Melting of 316LN Stainless Steel." Licentiate thesis, Mittuniversitetet, Institutionen för kvalitets- och maskinteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-37840.

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Additive manufacturing (AM) is a technology that inverts the procedure of traditional machining. Instead of starting with a billet of material and removing unwanted parts, the AM manufacturing process starts with an empty workspace and proceeds to fill this workspace with material where it is desired, often in a layer-by-layer fashion. Materials available for AM processing include polymers, concrete, metals, ceramics, paper, photopolymers, and resins. This thesis is concerned with electron beam melting (EBM), which is a powder bed fusion technology that uses an electron beam to selectively mel

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11

Peruzzo, Marcele. "Efeito da adição de boro na microestrutura, dureza, resistência à oxidação e ao desgaste do aço inoxidável austenítico 316L sinterizado." reponame:Repositório Institucional da UCS, 2016. https://repositorio.ucs.br/handle/11338/3772.

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Este trabalho analisa o efeito da adição de boro ao aço inoxidável austenítico 316L como um aditivo da sinterização no processo de metalurgia do pó. O efeito do B foi investigado em termos da densificação, microestrutura, dureza, resistência à oxidação e ao desgaste. Os pós de 316L foram misturados com 0,6% e 0,8% em massa de boro, compactados unixialmente a 800 MPa e sinterizados em atmosfera de argônio, a uma taxa de 10°C.min-1 na temperatura de 1240°C durante 30 min. A microestrutura e as fases cristalinas das amostras sinterizadas foram avaliadas por microscopia ótica, microscopia eletrôni

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12

Stephen, Juanita Peche. "3-D Printing, Characterizing and Evaluating the Mechanical Properties of 316L Stainless Steel Materials with Gradient Microstructure." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/102780.

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Making gradient in the microstructure of metals is proven to be a superior method for improving their mechanical properties. In this research, we 3D print, characterize and evaluate the mechanical properties of 316L Stainless Steel with a gradient in their microstructure. During 3D printing, the gradient in the microstructure is created by tailoring the processing parameters (hatch spacing, scanning speed, and laser power and scanning speed) of the Selective Laser Melting (SLM). The Materials with Graded Microstructure (MGMs) are characterized by optical and scanning electron microscopy (SEM).

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13

Lindner, Thomas, Martin Löbel, and Thomas Lampke. "Phase Stability and Microstructure Evolution of Solution-Hardened 316L Powder Feedstock for Thermal Spraying." MDPI AG, 2018. https://monarch.qucosa.de/id/qucosa%3A33159.

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A solution-hardening of AISI 316L stainless-steel powder was conducted. The expansion of the crystal lattice and a strong increase in the nanoindentation hardness confirm the successful diffusion of carbon and nitrogen in the interstices. A multiphase state of the powder feedstock with phase fractions of the metastable S-phase (expanded austenite) mainly at the particle’s edge, and the initial austenitic phase within the core was found. Thermal spraying using high velocity oxy-fuel (HVOF) and atmospheric plasma spraying (APS) prove the sufficient thermal stability of the Sphase. Microstructura

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14

Imbaby, Mohamed. "Fabrication of 316-L stainless steel and composite micro machine components using softlithography and powder metallurgy process." Thesis, University of Birmingham, 2010. http://etheses.bham.ac.uk//id/eprint/1212/.

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This thesis presents a new approach to fabricate high precision micro machine components from stainless steel and stainless steel ceramic composite materials, using Softlithography and powder metallurgy processes. Three different 316-L stainless steel powders, including 5, 10 and 16 μm in size, and two different ceramics powders, including 400 nm alumina and 320 nm titania, were tested. The PhD research process can be divided into three main stages. In the first stage, high quality SU-8 master moulds and their negative replicas soft moulds are produced using Softlithography technique. The seco

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15

Molina, Griggs Alejandro José. "Laser Metal Powder Deposition of Austenitic Stainless Steel on Spheroidal Graphite Cast Iron : A corrosion resistant coating for the Food & Beverage Industry." Thesis, Högskolan Väst, Avdelningen för svetsteknologi (SV), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-13016.

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Spheroidal graphite cast iron is a material widely used in the industry for the manufacturing of all kind of covers and protective casings thanks to its good combination of mechanical properties, processability and cost. When cast iron components are put into service in corrosive environments the most common approach to protect the components is painting them. The protective painting has been found to flake off with time when aggressive washing procedures, such as the ones used in the Food & Beverage industry, are applied several times. In this project, the coating of cast iron with a corr

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16

Kurian, Sachin. "Process-Structure-Property Relationship Study of Selective Laser Melting using Molecular Dynamics." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/104115.

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Selective Laser Melting (SLM), a laser-based Additive Manufacturing technique has appealed to the bio-medical, automotive, and aerospace industries due to its ability to fabricate geometrically complex parts with tailored properties and high-precision end-use products. The SLM processing parameters highly influence the part quality, microstructure, and mechanical properties. The process-structure-property relationship of the SLM process is not well-understood. In the process-structure study, a quasi-2D model of Micro-Selective Laser Melting process using molecular dynamics is developed to inve

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17

CUNTO, GABRIEL G. de. "Aplicação do conceito "vazamento antes da falha" (LEAK BEFORE BREAK) em tubulações de aço 316LN soldado com metal de adição 316L." reponame:Repositório Institucional do IPEN, 2017. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27963.

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Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-11-01T17:02:12Z No. of bitstreams: 0<br>Made available in DSpace on 2017-11-01T17:02:12Z (GMT). No. of bitstreams: 0<br>Este trabalho apresenta um estudo prático da aplicação do conceito Leak Before Break (LBB), usualmente aplicado em usinas nucleares, em uma tubulação fabricada a partir de aço AISI 316LN soldada com a utilização de eletrodo revestido AISI 316L. O LBB é um critério fundamentado em análises de mecânica da fratura, que considera que um vazamento proveniente de uma trinca, presente em uma tubulação, possa se

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18

Chniouel, Aziz. "Etude de l’élaboration de l’acier inoxydable 316L par fusion laser sélective sur lit de poudre : influence des paramètres du procédé, des caractéristiques de la poudre, et des traitements thermiques sur la microstructure et les propriétés mécaniques." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS379/document.

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Dans le domaine de la métallurgie, la fabrication additive (FA) est un procédé de mise en forme des matériaux en pleine expansion dans plusieurs secteurs industriels tels que l’aéronautique, le spatial et l’automobile. L’exploitation des procédés de FA pour des applications dans l’industrie nucléaire est actuellement en cours d’étude dans différents pays. La FA permet d’élaborer des pièces optimisées avec des géométries complexes impossibles à réaliser avec les procédés conventionnels. Dans ce cadre, les travaux réalisés au cours de cette thèse visent à déterminer l’apport potentiel des procéd

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19

Ikegami, Rogério Akihide. "Conformação de pó de aço inoxidável através do processo de injeção à baixa pressão." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/18/18135/tde-11072018-112547/.

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Metalurgia do pó é o uso de metais na forma de pó para a manufatura de produtos. Pós metálicos são combinados (misturados) e compactados em um molde. O material compactado recebe um tratamento térmico ou é sinterizado em um ambiente controlado para a união das partículas para formar um produto denso e resistente. Injeção de pós metálicos tem se destacado mundialmente na produção de componentes de pequenas dimensões e formas complexas em substituição a fundição sob pressão e a sinterização convencional. Atualmente a injeção de pós metálicos está se tornando uma opção competitiva relativamente à

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20

Mello, Junior Murillo Menna Barreto de. "Estudo sobre o efeito dos par?metros de processamento dos p?s e sinteriza??o do a?o inox 316l refor?ado com NbC." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12722.

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Made available in DSpace on 2014-12-17T14:06:59Z (GMT). No. of bitstreams: 1 MurilloMBMJ_DISSERT.pdf: 3939275 bytes, checksum: 05e057ccb01f46456e1e9588f664b52d (MD5) Previous issue date: 2011-02-17<br>This masther dissertation presents a contribution to the study of 316L stainless steel sintering aiming to study their behavior in the milling process and the effect of isotherm temperature on the microstructure and mechanical properties. The 316L stainless steel is a widely used alloy for their high corrosion resistance property. However its application is limited by the low wear resistance co

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21

Bouaziz, Olivier. "Modélisation thermomécanique du comportement d'une poudre d'acier inoxydable : application à la mise en forme par compression isostatique à chaud." Université Joseph Fourier (Grenoble ; 1971-2015), 1997. http://www.theses.fr/1997GRE10175.

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La compression isostatique a chaud (cic) d'une poudre de 316ln est apparue une solution avantageuse pour la mise en forme de pieces en acier inoxydable austenitique du circuit primaire des reacteurs a eau pressurisee (rep). Dans le cadre de cette application, cette these a developpe la modelisation du procede. Dans un premier temps, les lois de comportement viscoplastiques du materiau de moule (acier 304l) et de la poudre d'acier 316ln ont ete determinees experimentalement entre 800 et 1125c par des essais de compression simple et de compression isotrope en palier de pression. Des essais isotr

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Nekouie, Esfahani Mohammadreza. "Laser welding of dissimilar carbon steel to stainless steel 316L." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/19760.

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Laser welding of metals and alloys is extensively used in industry due to its advantages of controlled heating, narrow weld bead, low heat affected zone (HAZ) and its ability to weld a wide range of metals and dissimilar metals. Laser welding of dissimilar metals such as carbon steels and stainless steel is still a challenging task, particularly due to the formation of brittle phases in the weld, martensitic formation in the HAZ and solidification cracking in the fusion zone. These issues can significantly deteriorate the strength of the welded joint. The aim of this work is to investigate the

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Tavares, André Carvalho. "Avaliação de misturas injetáveis aplicadas à fabricação de micro componente para pinças de biópsias por moldagem de pós por injeção." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/116649.

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A moldagem de pós por injeção (MPI) foi empregada neste trabalho para a fabricação de micro componentes de uma pinça de biópsia, através do desenvolvimento de misturas injetáveis. Utilizou-se a liga de aço inoxidável AISI 316L, liga reconhecidamente biocompatível, para obtenção dos micro componentes. Determinando a quantidade de 39% em volume para fração orgânica das quatro formulações de misturas injetáveis produzidas neste trabalho. Os polímeros estruturais empregados foram o PP, o PEBDL, o PEAD e o PMMA. Como material auxiliar de fluxo foi utilizada a parafina e para agente surfactante, o á

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Zhong, Yuan. "Sub-grain structure in additive manufactured stainless steel 316L." Doctoral thesis, Stockholms universitet, Institutionen för material- och miljökemi (MMK), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-144519.

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The thesis focuses on exploring the sub-grain structure in stainless steel 316L prepared by additive manufacturing (AM). Two powder-bed based AM methods are involved: selective laser melting (SLM) and electron beam melting (EBM). It is already known that AM 316L has heterogeneous property and hierarchy structure: micro-sized melt pools, micro-sized grains, nano-sized sub-grain structure and nano-sized inclusions. Yet, the relation among these structures and their influence on mechanical properties have not been clearly revealed so far. Melt pool boundaries having lower amount of sub-grain segr

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O'Donnell, Lucas John. "TRIBOLOGY OF 316L AUSTENITIC STAINLESS STEEL CARBURIZED AT LOW TEMPERATURE." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1251912164.

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Hauser, Carl. "Selective laser sintering of a stainless steel powder." Thesis, University of Leeds, 2003. http://etheses.whiterose.ac.uk/2631/.

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The research presented in this thesis was part of a larger collaborated project (LastForm Programme) to research engineering solutions for the rapid manufacture of large scale (0.5m – 5.0m in length) low, medium and high temperature tooling (from room temperature to 1000C) for use in the automotive and aerospace industry. All research was conducted using small scale investigations but with a final discussion including implications of the work in future large scale planning. The aim of the work presented in this thesis was to develop current understanding about the sintering and melting behavi

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Barros, Isabel Ferreira de. "Dissimilar welding of ferritic stainless steel AISI 444 and AISI 316L austenitic stainless steel through the autogenous TIG process using pulsed current." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14072.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico<br>The use of stainless steels has intensified with the industrial demand growing, which extends its application for various sectors such as the oil and gas, desalination equipment in industry, sugar industry, among others. In that context, the use of ferritic stainless steels has grown in recent years on account of its excellent relationship between corrosion resistance and cost, and a great option in substitution of austenitic stainless steels. Intending to study the connection of dissimilar stainless steels by means of a

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Fong, Clinton. "High frequency near-threshhold corrosion fatigue of AISI 316L stainless steel." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25092.

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High frequency corrosion fatigue crack propagation behavior of AISI 316L stainless steel was studied in 1M NaCl and 1M NaCl + 0.01M Na₂S₂O₃, under various anodically and cathodically polarized potentials, and dessicated air at 22°C and 1 atmosphere pressure. Constant load amplitude fracture mechanics techniques employing single edge notch specimens were used to assess the fatigue crack growth rate in the various environments. Unique specimen preparation procedures were developed which allowed near-threshold behaviors to be studied under gradually rising crack tip stress intensity conditions.

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Ayers, Lauren Juliet. "The hardening of Type 316L stainless steel welds with thermal aging." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/76926.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 34-35).<br>Welded stainless steel piping is a component of boiling water reactors (BWRs). Reirculation and other large diameter piping are fabricated from Type 304 or 316 stainless steels. Delta ferrite is present in welds, because of its ability to reduce hot cracking; however, its presence can make the microstructure unstable. Delta ferrite is susceptible to spinodal decomposition, a process during which the

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Zhang, Yongmei. "Numerical Simulations Of Surface Mechanical Attrition Treatment On 316L Stainless Steel." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/29966.

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Surface mechanical attrition treatment (SMAT) is a flexible and cost-effective method for surface modification of metallic materials, such as 316L stainless steel. During SMAT, a sonotrode generates ultrasonic vibrations, propelling shot particles inside the enclosed chamber to impact the surface of the target. Due to the high vibration frequency, the target surface is impacted by the shot at high speed over a short treatment duration, causing the surface to undergo severe plastic deformation. How to control the process to achieve specific microstructure and material properties is yet to be fu

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Krawczyk, Benjamin. "Elucidating the corrosion performance of type 316L stainless steel product storage cans." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/elucidating-the-corrosion-performance-of-type-316l-stainless-steel-product-storage-cans(faa47d8a-65c4-443d-a00a-2ecf64898efd).html.

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Re-processed oxide fuel product from the Thermal Oxide Reprocessing Plant (THORP) is stored in Type 316L stainless steel, using a design of several nested cans, with the outer can providing the safety case containment barrier. The research reported in this PhD thesis aims to support the safety case related to these storage cans, by identifying and characterising susceptible microstructure sites and associated material surface conditions. The overarching goal of this project is to understand the propensity of THORP storage cans towards localised corrosion and Environment Assisted Cracking (EAC)

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Lohser, Julian R. "Evaluation of Electrochemical and Laser Polishing of Selectively LaserMelted 316L Stainless Steel." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1920.

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Selective laser melting has shown incredible growth as a metallic additive manufacturing process in recent years. While it does provide many solutions and new ways to approach challenges, it does not come without issues of its own, namely, surface roughness. In the as-printed state, the surface roughness of selectively laser melted parts is unacceptable for use in engineering applications. Additionally, selective laser melting is used to produce complex geometries with hard to reach features, preventing conventional mechanical polishing from being successful. Therefore, it is necessary to eval

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Yamanaka, Hajime. "The Effects of Weld Thermal Cycles on Additively Manufactured 316L Stainless Steel." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2029.

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To address the size limitation of the powder bed fusion system in additive manufacturing, the welding properties of 316L stainless steel manufactured by SLM 125HL are investigated by conducting hot ductility test and nil strength temperature (NST) test with a physical thermal mechanical simulator, Gleeble. In this study, the print orientations (Zdirection and XY-direction) and the laser patterns (stripe and checker board) are studied. In NST test, the orientation showed a statistical significance in NST: Z-direction was 1384°C and XY-direction was 1400°C. In hot ductility test, all of ductilit

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Wu, Dandan. "Low-Temperature Gas-Phase Nitriding and Nitrocarburizing of 316L Austenitic Stainless Steel." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1346900583.

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Ge, Yindong. "Low-Temperature Acetylene-Based Carburization and Nitrocarburization of 316L Austenitic Stainless Steel." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1373032714.

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Matthews, Ryan Paul. "Oxidation kinetics of 316l stainless steel in the pressurised water reactor environment." Doctoral thesis, Faculty of Engineering and the Built Environment, 2019. http://hdl.handle.net/11427/30416.

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With a view to improving the prediction of primary water stress corrosion cracking in austenitic stainless steels, this investigation measured the oxide growth kinetics of 316L stainless steel when exposed to a simulated primary water environment of a pressurised water reactor (PWR). It is generally accepted that intergranular oxidation at the surface of a metal forms a preferential site for stress corrosion crack (SCC) initiation; therefore the kinetics of both surface and intergranular oxidation were measured. The influence of temperature, within the range of PWR primary water (290°C, 320°C

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Hiuhu, John. "Shear spinning of nickelbased super alloys and stainless steel." Thesis, Högskolan Väst, Avdelningen för maskinteknik och naturvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-8685.

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Shear spinning of Haynes 282, Alloy 718, Alloy 600 and AISI 316L was done using several tool feeds and mandrel clearances. Multi passing of the materials was limited due to strain hardening and circumferential cracking except for AISI 316L. The effect of the tool feed and the mandrel clearance on the successful forming of the materials was established. The successfully spun samples were solution heat treated at varying temperatures and holding times to establish a range of grain sizes and hardness levels. An aging heat treatment process was performed for Haynes 282 and Alloy 718 to achieve pre

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Bromley, Darren Michael. "Hydrogen embrittlement testing of austenitic stainless steels SUS 316 and 316L." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/925.

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The imminent emergence of the hydrogen fuel industry has resulted in an urgent mandate for very specific material testing. Although storage of pressurized hydrogen gas is both practical and attainable, demands for increasing storage pressures (currently around 70 MPa) continue to present unexpected material compatibility issues. It is imperative that materials commonly used in gaseous hydrogen service are properly tested for hydrogen embrittlement resistance. To assess material behavior in a pressurized hydrogen environment, procedures were designed to test materials for susceptibility to h

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Choubey, Animesh. "Grain boundary etched 316L stainless steel (SS) surfaces for cardiovascular stents a dissertation /." San Antonio : UTHSC, 2008. http://proquest.umi.com.libproxy.uthscsa.edu/pqdweb?did=1594485681&sid=3&Fmt=2&clientId=70986&RQT=309&VName=PQD.

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Gulbrandsen, Stephani. "Stress corrosion cracking of 316L austenitic stainless steel in high temperature ethanol/water environments." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/47815.

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There has been an increase in the production of bio-fuels. Organosolv delignification, high temperature ethanol/water environments, can be used to separate lignin, cellulose, and hemicelluloses in the bio-mass for bio-fuel production. These environments have been shown to induce stress corrosion cracking (SCC) in 316L stainless steel. Previous research has been done in mixed solvent environments at room temperature to understand SCC for stainless steels, but little is known about the behavior in high temperature environments. Simulated organosolv delignification environments were studied, vary

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Salman, Omar. "Selective laser melting of 316L stainless steel and related composites: processing and properties." Technische Universität Dresden, 2019. https://tud.qucosa.de/id/qucosa%3A34253.

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Unter den verschiedenen additiven Fertigungsverfahren stellt das selektive Laserschmelzen (SLM) eine optimale Technologie für die Herstellung von metallischen Bauteilen mit komplexen Geometrien und hervorragenden Eigenschaften dar. SLM-Bauteile werden Schicht für Schicht mit hochenergetischen Laserstrahlen hergestellt, was das SLM flexibler als konventionelle Produktionstechnologien wie das Gießen macht. Die beim SLM auftretenden schnellen Aufheiz-/Kühlraten können zu deutlich unterschiedlichen Gefügen im Vergleich zu herkömmlichen Herstellungsverfahren führen. Die beim SLM entstehenden Hocht

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Liu, Bochuan. "Further process understanding and prediction on selective laser melting of stainless steel 316L." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/13550.

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Additive Manufacturing (AM) is a group of manufacturing technologies which are capable to produce 3D solid parts by adding successive layers of material. Parts are fabricated in an additive manner, layer by layer; and the geometric data can be taken from a CAD model directly. The main revolutionary aspect of AM is the ability of quickly producing complex geometries without the need of tooling, allowing for greater design freedom. As one of AM methods, Selective Laser Melting (SLM) is a process for producing metal parts with minimal subtractive post-processing required. It relies on the generat

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Sobeih, Mahmoud Omar R. J., and Moazzam Maqsood. "Influence of Hydrogen Charging on Mechanical Properties and Microstructure of Structural Steel S235 & Stainless Steel 316L." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18792.

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The present paper studied the influence of hydrogen on the mechanical properties and microstructure of the materials. This study is done by doing hydrogen charging of steel bar specimens. The two types of steel are used for study, structural steel S235 and stainless steel 316L. The tensile test has been performed to get the data of the charged and uncharged specimens. Different strain rates were used to study the effect of the material after charging. The charging time ranged from 24 hours to 144 hours. The specimens are cylindrical shape. Digital image analysis is performed for the uncharged

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Mallipeddi, Dinesh. "Carbon and Oxygen reduction during vacuum annealing of stainless steel powder." Thesis, KTH, Materialvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-101664.

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Stainless steel family grades are very famous for their combined corrosion resistance and high mechanical properties. These properties can be improved further by decreasing the content of impurities like carbon and oxygen. The main purpose of this research work is to study the possibility of stainless steel powder decarburization by vacuum annealing. The influence of different process parameters like treatment time, temperature, fraction size and depth of the powder layer on the decarburization process was analyzed. The investigation results showed that it is possible to achieve extra low valu

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Voss, Sterling Charles. "Effects of Carbon-Infiltrated Carbon Nanotube Growth on the Biocompatibility of 316L Stainless Steel." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/8913.

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The purpose of this research is to identify the effects of the carbon-infiltrated carbon nanotube (CICNT) growth process on the material properties of 316L stainless steel, particularly those properties which are essential for biocompatibility. Physically altering the micro-topography of a surface can dramatically affect its capacity to support or prevent biofilm growth. Growing CICNTs on biomedical materials is one approach which has demonstrated success at preventing biofilm growth. Unfortunately, the high temperature and carbon-rich gas exposure required for this procedure has proven to hav

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Subasic, Mustafa. "The effect of preload on the fatigue strength of additively manufactured 316L stainless steel." Thesis, KTH, Hållfasthetslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-285818.

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In this thesis an investigation of the effect of preload on the fatigue behaviour of additively manufactured (AM) 316L stainless steel parts with less than 5 % porosity, for both horizontal and vertical build direction, is presented. The specimens used were manufactured by selective laser melting (SLM) and cut by EDM. Preloads at two different magnitudes were used, below and above the yield strength of the material, and fatigue tests were performed on the specimens with and without the preloads. In addition, microstructural analysis was carried out in order to illustrate/quantify the defects a

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Hsu, Jui-Po. "Influence of Low-Temperature Carburization on Fatigue Crack Growth of Austenitic Stainless Steel 316L." Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1212689690.

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LIN, CHIH-YING, and 林志穎. "Study of the Wear Mechanism of UHMWPE Rubbed with Powder Forged 316L Stainless Steel." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/23336963578271697402.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>89<br>The thesis studies the wear mechanism of ultra high molecular weight polyethylene (UHMWPE) rubbed with powder forged 316L stainless steel under the condition of dry contact and that of lubricated with isotonic saline. We use the powder-forging product as the pin specimens and the porosity of this product ranged from 20% to 40%. The UHMWPE was used as the plate specimens. The pin-on-plate arrangement under reciprocal sliding was employed to simulate a knee joint replacement. The duration of tests ranged from 20,000 to 100,000 cycles. The r

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Youseffi, Mansour, K. Y. Chong, and F. M. Jeyacheya. "Enhanced sintering and mechanical properties of 316L stainless steel with silicon additions sintering aid." 2002. http://hdl.handle.net/10454/4072.

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No<br>Alpha phase sintering, sinter hardening, and mechanical properties of prealloyed Fe-1·5Mo base powder with and without additions of elemental Si, ferrosilicon, and carbon under various process conditions have been investigated. Liquid paraffin, as a new lubricating agent, was found to be useful in reducing segregation, interparticle and die wall frictions, as well as reducing ejection forces and die and tool wear. It was found that addition of Si to the base powder enhanced the sintering process by stabilisation of the alpha-phase and formation of two kinds of liquid phase at ~1045 and ~

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Wang, Tsai-Chen 1965. "High temperature fluidized-bed nitridation of 316 stainless steel powder." Thesis, 1996. http://hdl.handle.net/1957/34443.

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