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Dissertations / Theses on the topic 'Properties of Stainless Steel Powder'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Smuk, Olena. "Microstructure and properties of modern P/M super duplex stainless steels." Doctoral thesis, KTH, Materials Science and Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3758.

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2

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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3

Krishna, Jayanth. "Fatigue properties of Laser Powder Bed Fusion (LPBF) built 21-6-9 stainless stee." Thesis, Högskolan Väst, Avdelningen för avverkande och additativa tillverkningsprocesser (AAT), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-16788.

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Fatigue performance is one of the important mechanical properties which is hindering some of the additive manufacturing build structures. The main objective of this study is to investigate the fatigue life dependence of the 21-6-9 austenitic stainless-steel build using the laser powder bed fusion (LPBF) technique. The study is mainly focused on the fracture surface based on defects and the micro constituents, how they are related to the fatigue performance of the samples. 21 samples were build using optimized process parameters in which 9 of the samples were built-in vertical direction and the

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4

Sheikh, Abdi Mohamed, and Yosef Gebresilassie. "Consequences of Magnetic Properties in Stainless Steel for a High-efficiency Wave Power Generator." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-229479.

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A new kind of wave power generator is being developed at KTH Royal Institute of Technology which potentially can reach an efficiency of 98 %. However, this generator’s small air gap sets strict requirements on the stiffness of the structure to withstand the large magnetic forces. The structure, therefore, need to be both stiff and non-magnetic. To tackle that problem austenitic stainless steel will be used. Then again, austenitic stainless steel tends to become slightly magnetic because of impurities and mechanical stress. The purpose of this report is to study the magnetic properties of the a

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5

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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6

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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7

Abdelghany, K. "Evaluating the properties of products fabricated from commercial steel powders using the selective laser micro-welding rapid manufacturing technique." Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010. http://hdl.handle.net/11462/546.

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Published Article<br>Selective laser micro-welding (SLMW) is a recent rapid manufacturing technique that produces metal parts through the use of a laser beam that selectively scans over the powder layers and fully melts and micro-welds the metallic particles. The advantage of SLMW is that any type of commercial steel alloys or other metal powders can be used to build parts in a single step without the need to add low melting point additives to join the particles as in the former SLS process. In this study, two types of low cost general purpose powders were evaluated as the raw materials for t

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8

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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9

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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10

TAHAEI, Ali. "Investigation on welding and corrosion properties of the UNS S32304 & UNS S32570 duplex stainless steels and development of Nickel-Tungsten Carbide hardfacing by Plasma Transferred Arc (PTA) process." Doctoral thesis, Università degli studi di Ferrara, 2016. http://hdl.handle.net/11392/2403215.

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Gli acciai inossidabili duplex presentano proprietà meccaniche, resistenza alla corrosione e tenacità superiori rispetto agli acciai inossidabili ferritici, austenitici e martensitici. L’ottimo bilanciamento delle loro proprietà è dovuto alla particolare microstruttura che è costituita da percentuali pressoché uguali di ferrite (δ) e di austenite (γ). L’austenite è responsabile della resistenza a corrosione e della tenacità, la ferrite fornisce l’elevata resistenza meccanica; grazie a questa combinazione di proprietà l’acciaio inossidabile duplex offre molti vantaggi rispetto agli acciai inoss

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11

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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12

Chimezie, Ugochi, and Gurram Akhila Srinivas. "Wetting properties of stainless steel surfaces." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-32598.

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Systematic pre cleaning, disinfection and sterilization of medical equipment used in examination and treatment of patients are very important for safe care of the patients and the staff handling these instruments. Due to the technical properties of stainless steel, its hygienic experience and the sophisticated look of the stainless steel, it has dominated the medical health care environments for decades. The wetting properties of stainless steel surfaces are presumed to be essential for the process of clean ability and for a wide variety of bio compatibility.In collaboration with the topical c

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13

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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14

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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15

Clark, Justin Lewis. "Stainless steel hollow sphere foams : processing and properties." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/20502.

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16

Shendye, Sanjay B. "Effect of long term elevated temperature exposure on the mechanical properties and weldability of cast duplex stainless steels /." Full text open access at:, 1985. http://content.ohsu.edu/u?/etd,115.

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17

Tibblin, Fritjof. "Characterization of a newly developed martensitic stainless steel powder for Laser and PTA cladding." Thesis, KTH, Materialvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-163788.

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A newly developed martensitic stainless steel powder, called “powder A”, designed for surface coating with laser cladding and PTA cladding was characterized. The purpose with powder A is to achieve both good corrosion resistance and wear resistance in a stainless steel grade. The investigation of powder A was divided into cladding characterization, microstructural investigation and a property comparison to existing grades 316 HSi and 431 L. Powder A was successfully deposited with laser cladding, exhibiting a wide process window, and PTA cladding. In both cases no preheating was required and n

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18

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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19

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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Made available in DSpace on 2014-10-09T12:25:26Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:03:04Z (GMT). No. of bitstreams: 1 05828.pdf: 4375779 bytes, checksum: c190c087575f4e38cb7288acf4f8e657 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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20

Montgomery, Colt James. "The Effect of Alloys, Powder, and Overhanging Geometries in Laser Powder Bed Additive Manufacturing." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/1112.

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Additive manufacturing (AM) shows great promise for the manufacturing of next-generation engineering structures by enabling the production of engineered cellular structures, overhangs, and reducing waste. Melt-pool geometry prediction and control is critical for widespread implementation of laser powder bed processes due to speed and accuracy requirements. The process mapping approach used in previous work for different alloys and additive manufacturing processes is applied to the selective laser powder bed process for IN625 and 17-4 stainless steel alloys. The ability to predict the resulting

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21

Pirouznia, Pouyan. "High cycle fatigue properties of stainless martensitic chromium steel springs." Thesis, KTH, Materialteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-103201.

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For many materials and components like in high speed trains and airplanes fatigue failures occur in the range of over 107 load cycles which is called the high cycle fatigue range. A modern version of the springs was invented which are applied in a certain application. Ultrasonic fatigue testing (20 kHz machine) was conducted for evaluating the steel of the springs. This research explores the fundamental understanding of high cycle fatigue testing of strip steel and assesses a stainless martensitic chromium steel at the high cycle fatigue range. Finite element modeling was conducted to gain kno

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22

Clitheroe, Linda Suzanne. "The physical and microstructural properties of peened austenitic stainless steel." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/the-physical-and-microstructural-properties-of-peened-austenitic-stainless-steel(2576543d-5d47-4a41-9490-09eb1caf7204).html.

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Surface treatments used to improve the life of a material known as peening are already extensively used in industry. The main aim of peening is to introduce compressive resiudal stress to the surface and subsurface of a metallic material, however literature also includes a number of microstructural and mechanical effects that peening introduces to a material when the compressive residual stress is established. The aim of this dissertation is compare and contrast the mechanical and microstructural effects of a current industrial peening method called shot peening, with three new increasingly co

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23

Fredriksson, Wendy. "Depth Profiling of the Passive Layer on Stainless Steel using Photoelectron Spectroscopy." Doctoral thesis, Uppsala universitet, Institutionen för kemi - Ångström, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-179399.

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The physical properties of the protective passive films formed on the surface of stainless steels under electrochemical polarization in different electrolytes were studied. The structure of these films was analyzed as a function of depth using photoelectron spectroscopy (PES). Depth profiling (using PES) of the surface layer was achieved by either changing the angle of incidence to achieve different analysis depths (ARXPS), by argon ion etching, or by varying the energy of the incoming x-rays by the use of synchrotron radiation. The use of hard x-rays with high resolution (HAXPES) provided nov

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24

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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25

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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26

Hemrick, James Gordan. "Release characteristics of 17-4PH stainless steel metal injection molding in SLA epoxy molds." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/19646.

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27

Cai, Yancheng, and 蔡炎城. "Bolted connections of cold-formed stainless steel at elevated temperatures and post-fire condition." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/196034.

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The structural behaviour of single shear bolted connections and double shear bolted connections of cold-formed stainless steel at elevated temperatures and post-fire condition has been investigated in this study. The current design rules on bolted connections of cold-formed stainless steel are mainly based on those of carbon steel, and are applicable for room (ambient) temperature condition only. These design rules may not be applicable for elevated temperatures. Therefore, design guidelines should be prepared for bolted connections of cold-formed stainless steel structures at elevated tempera

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28

Betrabet, Hemant Shridhar. "The influence of nitrogen on the sensitization and microstructural properties of AISI 304 stainless steels /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487264603219054.

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29

Elsherief, Ahmed Fathy Abd Elshafi. "The structure, mechanical and corrosion properties of duplex stainless weldments." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303482.

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30

Mazinanian, Neda. "Influence of microstructure and proteins on the metal release of micron-sized stainless steel powder particles." Thesis, KTH, Materialvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-98082.

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Knowledge on metal release processes from stainless steel powder, which can be potentially inhaled at occupational settings, is essential within the framework of human health and environmental risk assessments. An in-depth knowledge concerning powder history, physical properties of particles (e.g. size, morphology, and active surface area) combined with their chemical properties (such as the chemical composition of the particles and their metal release behavior) is needed for better understanding of the interaction mechanisms between metal powders and humans. So far, limited in vitro and in vi

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31

Afraz, Syed Ali. "Mechanical, Microstructural and Corrosion performance for MIM materials based on coarse (-45µm) powders of ferritic stainless steel." Thesis, KTH, Materialvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-127680.

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The purpose of this research is to investigate the mechanical, microstructural and corrosion performance of the ferritic stainless steel coarse powders, used in Metal Injection Molding (MIM) process. Three coarser powders made by Höganäs AB, were examined along with a commercially available fine MIM powder and samples from sheet metal. The studied powders were individually mixed with binders and then injection molded in the shape of dog bone shaped tensile bars. These green samples were then debinded and sintered to examine under different characterization methods. The methods used for examini

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32

Sieurin, Henrik. "Fracture toughness properties of duplex stainless steels." Doctoral thesis, Stockholm, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3964.

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33

Mahmood, K. "Influence of strain rate on oxide fracture." Thesis, Cranfield University, 1988. http://dspace.lib.cranfield.ac.uk/handle/1826/11358.

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The ability of metals and alloys to form and retain protective oxide scales is crucial to their stability at elevated temperatures for extended times. Hence the identification of factors that promote or limit the integrity of oxides on high temperature materials has been the subject of intensive investigations. In the present study the mechanical properties of this chromiwm.-rkh scale on 304 stainless steel foil has been investigated in relation to the deformation rates in the substrate. It was shown that heavy cold working (up to 90%) delays the onset of breakaway oxidation and results in a v

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34

Magowan, Stephen. "Effects of cold metal transfer welding on properties of ferritic stainless steel." Thesis, Sheffield Hallam University, 2017. http://shura.shu.ac.uk/17304/.

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Stainless steels are a classification of materials that have been available for over 100 years and over that time manufacturers have created variations on chemical composition and manufacturing route, to create materials that meet specific criteria set by the consumer. One type of stainless steel, ferritic, is restricted in applications as a result of a reduction in properties, namely toughness, when it is welded as a result of grain coarsening in the heat affected zone. Welding equipment manufacturers are constantly incorporating new technologies and capabilities into welding equipment, to ma

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35

Muller, Bruce Walter. "Evaluation of the sag properties in a dual stabilized ferritic stainless steel." Master's thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/5501.

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Includes bibliographical references.<br>The dual stabilised type 441 (DIN 1.4509) ferritic stainless steel is primarily used in the automative industry for catalytic converters. The steel, in addition to oxidation and corrosion resistance, is required to have a certain degree of creep resistance in the operating environment. The customer, by means of a modified creep test known as the sag test, usually specifies this requirement. This requirement is attained in most cases; however, in certain instances the customer places a severe requirement on the material, which exceeds the normal capabilit

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36

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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37

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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Arseenko, M. Y., M. G. Kovaleva, M. C. Prozorova, and Y. M. Tyurin. "Properties of titanium powder coatings deposited on a substrate of steel-1030." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20766.

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39

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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40

Buzit, Sebastien. "Evolution of crystallographic textures and TRIP effects in stainless steel AISI 304." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/19584.

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41

Chang, Ju-Chun, and 張茹鈞. "Microstructure and Mechanical Properties of 440C-NbC Stainless Steel Fabricated by Powder Metallurgy Process." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/74211326110910352826.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>103<br>AISI 440C is a high carbon martensitic stainless steel with excellent hardness, moderate corrosion resistance and good strength. Therefore, it's commonly used in industrial bearings and medical appliances which need both good wear resistance and corrosion resistance. In this study, a spray dried pre-alloyed 400C powder, alloyed with 1.5 wt% Nb, was uniaxially die-pressed, and sintered at temperature ranging from 1250°C to 1290°C in a vacuum furnace. Furthermore, a series heat treatment processes, including austenitizing temperature at 1040°C, N2 gas quenc

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42

Chen, Yu, and 陳渝. "Study on the Density and Product Properties of Stainless Steel Metal Powder Injection Molding Process." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/8ypxgj.

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碩士<br>中原大學<br>機械工程研究所<br>103<br>Metal Injection Molding (MIM) is a near net shape molding technology which combines plastic injection molding characteristics and powder metallurgy properties. Since MIM involves widely process: granulating, molding design, injection molding, de-binding, sintering and secondary processing, it is hard to have stable quality in final product. Especially, the warpage defect usually appears after de-binding and sintering, which is difficult to remedy. This study aims to improve MIM green part quality in injection molding step, enhance mechanical properties, and incr

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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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Meng-Jung, Wu, and 吳孟融. "Effects of Silicon Powder Addition and Sigma Phase Precipitation on the Properties of Sintered 303LSC Stainless Steel." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/17094152919207745046.

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碩士<br>南台科技大學<br>機械工程系<br>93<br>The objectives of this work are to investigate the effects of silicon powder addition and sintering temperature on the sinterability , mechanical properties , corrosion and oxidation resistance of sintered 303LSC stainless steels. Influence of vibratory ball-peening on the corrosion and oxidation resistance is also studies. The sinterability , mechanical properties and corrosion resistance are increased with increasing amount of the silicon powder addition. The improvement is resulted from the increasing ferrite content induced by introducing of more silicon powd

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Shih-ChiehLiu and 劉仕傑. "A study of the mechanical properties on the laser sintered 304L stainless steel powders." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/6rqx6j.

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Tsai, Yu-Jin, and 蔡育晉. "Effects of Carbon Addition on Liquid Phase Sintering, Mechanical Properties, and Corrosion Behavior of Boron-containing Powder Metallurgy 410L Stainless Steel." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/65ehre.

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碩士<br>國立臺北科技大學<br>材料科學與工程研究所<br>106<br>Liquid phase sintering (LPS) is an economical technique to promote densification of powder metallurgy material. Boron is the best element for liquid phase sintering of iron-based material. In this study, the effects of the boron and carbon elements, sintering temperature (1200℃、1225℃、1250℃、1275℃、1300℃), and sintering atmosphere (vacuum and hydrogen) on the LPS, mechanical performance, and corrosion properties of 410L+0.6 wt% B (ferrite) and 410L + 0.6wt% B + 0.13 wt% C (martensite) stainless steels were investigated. The results of thermal analysis indica

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WANG, WEN-FENG, and 王文峰. "Effects of additives on the sintering behavior and physical properties of austenitic stainless steel powders." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/t3jfxb.

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Ju, Long-Tsong, and 朱榮聰. "Effects of TiC and Sintering Atmosphere on Properties of 316L Stainless Steels Controlled by Various Molding Processes of Powder Metallurgy." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/16901680552763001759.

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碩士<br>義守大學<br>材料科學與工程學系<br>91<br>Corrosion resistance and ductility of 316L low carbon austenitic stainless steel are good. However, the strength, hardness, grind-resisting…in mechanical properties are all poorer. In order to certainly control the alloy components and improve matrix this experiment uses two manufacturing processes about steel,i.e. die cold press and injection molding of powder metallurgy. There are two most important work of this research. One is adding TiC to reinforce phase and properties. In addition, finding the best content of two processes,respectiv

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Tai-YuChiu and 邱泰育. "Effect of Laser Power on Mechanical Properties and Microstructure of 316L Stainless Steel Deposited by Direct Energy Deposition(DED)." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/djmpx4.

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碩士<br>國立成功大學<br>材料科學及工程學系<br>107<br>Laser power is the most directly relevant process parameter affecting the quality in Direct Energy Deposition (DED) process. In this study, we investigated laser power effect on mechanical properties and microstructure of multi-layer products after vertical deposition of 40 layers using 316L stainless steel powder. The mechanical properties were analyzed by three-point bending test combined with digital image correlation (DIC) to obtain strain distribution. The microstructure under tensile, compressive stress and neutral regions were analyzed by EBSD. Consid

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Jyun-Sian, Liou, and 劉俊賢. "Studies on selective leaching properties of TiNiFe shape memory alloys and surface characteristics of the 316L stainless steel modified by ethylene vinyl acetate powder/chitosan composite films." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/46151782634170561122.

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碩士<br>國立宜蘭大學<br>化學工程與材料工程學系碩士班<br>104<br>The first part of this study is to investigate the selective leaching and surface characteristics of Ti50Ni50-xFex(x = 1, 2, and 3) shape memory alloys using inductively coupled plasma mass spectrometry, X-ray diffractometry, electrochemical tests, and X-ray photoelectron spectroscopy. In our results, the concentrations of Ni and Fe ions selectively leached from each specimen were considerably higher than that of Ti ions. Electrochemical tests revealed a gradual deterioration in the corrosion resistance of Ti50Ni50-xFex SMAs as the Fe content in the all

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