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Relevant bibliographies by topics / Corrosion. Direct Metal Laser Sintering / Dissertations / Theses

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Dissertations / Theses on the topic 'Corrosion. Direct Metal Laser Sintering'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Xu, Yangzi. "Corrosion Behavior of Direct Metal Laser Sintered Ti-6Al-4V for Orthopedic Applications." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/282.

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Ti-6Al-4V alloy has been used as biomedical implants for decades because of its superior mechanical properties, good biocompatibility, lack of allergic problems and good corrosion resistance. It is widely used as the tibial components in total knee arthroplastry and hip cup in total hip replacement. However, the mechanical properties of Ti-6Al-4V implant can be deteriorated due to corrosion pits. In the past decades, the rapid developments in additive manufacturing have broadened their applications in biomedical area due to the high geometrical freedom in fabricating patient-friendly implants.

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2

Girardin, Emmanuelle. "Biomedical metal alloys produced by Direct Metal Laser Sintering." Doctoral thesis, Università Politecnica delle Marche, 2016. http://hdl.handle.net/11566/243150.

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La Sinterizzazione Diretta di Metalli mediante Laser (DMLS), basata su un processo strato-per-strato, è stata usata per ottenere provini in leghe Co–Cr–Mo–W e Ti-6Al-4V per applicazioni biomediche. La risposta meccanica e la microstruttura sono state studiate sia nello stato “tal quale” che dopo trattamento termico post-produzione per i campioni in Co–Cr–Mo–W, e dopo due diversi trattamenti termici per quelli in Ti-6Al-4V. Misure di rugosità e durezza, così come test di trazione e flessione, sono state eseguite per studiare la risposta meccanica, mentre la diffrazione di raggi X, la microscopi

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3

Pozzi, Francesco. "Direct metal laser sintering of steel with high vanadium content." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13548/.

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La definizione di "rapid prototyping" è ben nota. Ci si riferisce a quell'insieme di tecnologie utilizzate per la realizzazione di oggetti partendo da modelli geometrici molto complicati, realizzando protitipi direttamente dal disegno CAD 3D. Le tecnologie RP sono state poi sviluppate per l'industria artigianale, nell'obiettivo di accelerare la produzione senza perdita di precisione nella costruzione. Tra queste tecniche sono sorte quelle di selective laser sintering. La sinterizzazione è il processo termico e meccanico per produrre materiali compattando sostanze in polvere, sotto una certa p

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4

Říčan, Daniel. "Návrh výroby tělesa plynového analyzátoru s využitím metody Direct Metal Laser Sintering." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229527.

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This master’s thesis deals with the possibility of manufacturing gas analyzer by Rapid Prototyping Technology and it with the method Direct Metal Laser Sintering. The theoretical part describes the current production of component in the Frentech Aerospace LLC and innovation with the DMSL method in the company Innomia Furthermore JSC. Then an analysis of the principle of single methods Rapid Prototyping, especially the method of Direct Metal Laser Sintering, is implemented. The aim of the experimental part is to compare the mechanical properties and material structures, conventional metallurgy

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5

Chen, Tiebing. "Analysis and modeling of direct selective laser sintering of two-component metal powders." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/5818.

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Thesis (Ph.D.)--University of Missouri-Columbia, 2005.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (November 15, 2006) Vita. Includes bibliographical references.

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6

Das, Suman. "Direct selective laser sintering of high performance metals : machine design, process development and process control /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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7

Coffy, Kevin. "Microstructure and Chemistry Evaluation of Direct Metal Laser Sintered 15-5 PH Stainless Steel." Master's thesis, University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6256.

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15-5PH stainless steel is an important alloy in the aerospace, chemical, and nuclear industries for its high strength and corrosion resistance at high temperature. Thus, this material is a good candidate for processing development in the direct metal laser sintering (DMLS) branch of additive manufacturing. The chemistry and microstructure of this alloy processed via DMLS was compared to its conventionally cast counterpart through various heat treatments as part of a characterization effort. The investigation utilized optical microscopy, scanning electron microscopy (SEM), transmission electron

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8

De, Beer N., and A. I. Odendaal. "The geometrical accuracy of a custom artificial intervertebral disc implant manufactured using Computed Tomography and Direct Metal Laser Sintering." Journal for New Generation Sciences, Vol 10, Issue 3: Central University of Technology, Free State, Bloemfontein, 2012. http://hdl.handle.net/11462/613.

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Published Article<br>Rapid Manufacturing (RM) has emerged over the past few years as a potential technology to successfully produce patient-specific implants for maxilla/facial and cranial reconstructive surgeries. However, in the area of spinal implants, customization has not yet come to the forefront and with growing capabilities in both software and manufacturing technologies, these opportunities need to be investigated and developed wherever possible. The possibility of using Computed Tomography (CT) and Rapid Manufacturing (RM) technologies to design and manufacture a customized, patient

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9

Verma, Anoop P. "Minimizing Build Time and Surface Inaccuracy of Direct Metal Laser Sintered Parts: An Artificial Intelligence Based Optimization Approach." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1249840383.

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10

Sekerka, Vít. "Výroba dílů technologií DMLS a jejich porovnání s jinými konvenčními technologiemi z hlediska ekonomické náročnosti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229969.

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This diploma thesis presents a technology based on the gradual smelting of fine layers of metal powder by using a laser beam. It explains and describes basic terminology related to the Rapid Prototyping technology, its division and practical usage. A part of the thesis is also the fabrication of several prototype parts by Direct Metal Laser Sintering including the economical comparison of their fabrication with other conventional technologies.

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11

Hussein, Ahmed Yussuf. "The development of lightweight cellular structures for metal additive manufacturing." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/15023.

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Metal Additive Manufacturing (AM) technologies in particular powder bed fusion processes such as Selective Laser Melting (SLM) and Direct Metal Laser Sintering (DMLS) are capable of producing a fully-dense metal components directly from computer-aided design (CAD) model without the need of tooling. This unique capability offered by metal AM has allowed the manufacture of inter-connected lattice structures from metallic materials for different applications including, medical implants and aerospace lightweight components. Despite the many promising design freedoms, metal AM still faces some majo

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12

Haverkos, Stephen M. "FRICTIONAL PROPERTIES OF NOVEL BRACKET SYSTEMS: AN IN-VITRO STUDY." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5770.

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Orthodontic brackets undergo resistance during sliding that includes classical friction, binding, and notching. Current bracket systems are hampered by these challenging forces. As a result, the clinician usually needs to apply additional forces to overcome the resistance which increases the risk of root resorption and discomfort for the patient. This study evaluated frictional properties of a novel bracket that had polytetrafluoroethylene (Teflon™) coated rollers in its design. Five types of brackets (n = 10, each), including a passive self-ligating bracket, a traditional ligated bracket, a t

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13

Ranjan, Rajit. "Design for Manufacturing and Topology Optimization in Additive Manufacturing." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439307951.

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14

Shukitis, Amber Nicole. "A Recreation and Ballistic Evaluation of Otto Schneeloch's Firearm Curiosity - The .307 Triangular." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5125.

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Otto Scheeloch's U.S. Patent No. 134,442 of 1872 describes a unique firearm that uses triangular bullets. The current research effort evaluates the ballistic performance of Otto's disclosure for the very first time. To achieve this goal it was necessary to seek out surviving artifacts and scour the historical record in search of all the parameters needed to meticulously recreate the curious triangular cartridges and the corresponding gun barrel, with its matching twisted triangular bore. Every aspect of the resulting reproduction ammunition was made to be as authentic as possible, including th

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15

Ghirardi, Lorenzo. "Comportamento a fatica di provini in acciaio inossidabile realizzati tramite DMLS con diverse direzioni di accrescimento." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10665/.

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Si tratta di una tesi svolta su diverse tipologie di provini ottenuti per Direct Metal Laser Sintering. Questi campioni sono stati provati a fatica, precisamente a flessione rotante. Per determinarne il limite di fatica è stato utilizzato il metodo Dixon. Una volta stimato questo valore sono stati svolti degli attacchi chimici per verificare la presenza di cricche e porosità. Infine, per controllare le caratteristiche descritte inizialmente dalla letteratura del materiale, sono stati sottoposti ad una prova di durezza Rockwell.

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16

KRISHNAN, MANICKAVASAGAM. "Investigation of material and mechanical properties of Al alloy and Al based MMC parts produced by DMLS for industrial application." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2530290.

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Additive Manufacturing (AM) is the process of joining materials layer upon layer to produce parts from CAD model. Direct Metal Laser Sintering (DMLS) is an AM process in which metallic parts can be produced. The knowledge of material and mechanical properties are important for producing lightweight and functional parts. Hence, this thesis focuses on characterizing material and mechanical properties of a lightweight alloy processed by DMLS, and using it as metal matrix for producing composites in DMLS process. AlSi10Mg was selected as lightweight alloy and it is similar to an A360 cast alloy

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17

Vandi, Daniele. "Studio del comportamento a fatica di provini in Maraging steel realizzati tramite Additive Manufacturing." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Nel presente lavoro di tesi verrà studiato ed analizzato, tramite prove effettuate in laboratorio, il comportamento a fatica di 3 set di provini metallici in Maraging steel, realizzati mediante le più moderne tecnologie di Additive Manufacturing. Tale recente tecnologia, pioniera nell'ambito della produzione manifatturiera di prototipi e pezzi, ha iniziato sin dagli inizi del suo sviluppo a mostrare le sue numerose potenzialità, e solo negli ultimi anni ha dimostrato di poter essere applicata con successo anche a componenti meccanici e parti funzionali. Ciononostante, data la modernità della

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18

Asar, Munevver Elif. "Investigating Turbine Vane Trailing Edge Pin Fin Cooling in Subsonic and Transonic Cascades." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu155551385206548.

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19

Onyeako, Isidore. "Resolution-aware Slicing of CAD Data for 3D Printing." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34303.

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3D printing applications have achieved increased success as an additive manufacturing (AM) process. Micro-structure of mechanical/biological materials present design challenges owing to the resolution of 3D printers and material properties/composition. Biological materials are complex in structure and composition. Efforts have been made by 3D printer manufacturers to provide materials with varying physical, mechanical and chemical properties, to handle simple to complex applications. As 3D printing is finding more medical applications, we expect future uses in areas such as hip replacement - w

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20

Olwagen, Annalene. "An investigation into the deformation of direct metal laser sintered parts / Annalene Olwagen." Thesis, 2015. http://hdl.handle.net/10394/15489.

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Direct Metal Laser Sintering (DMLS) is a rapid prototyping technique that allows for direct and rapid manufacturing of complex components. DMLS is however an intricate process and the quality of the final product is influenced by multiple manufacturing parameters (or DMLS settings) and powder characteristics. The effect which each of these manufacturing parameters and powder characteristics has on the final parts is not well understood and the success of process manufacturing mainly relies on empirical knowledge. Consequently high dimensional deformation and relatively poor mechanical properti

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21

Sousa, André Diogo Roberto de. "Orientation and location dependency of the mechanical properties of an AlSi10Mg part produced using direct metal laser sintering (DMLS) - a microsample approach." Master's thesis, 2017. https://repositorio-aberto.up.pt/handle/10216/108284.

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22

Sousa, André Diogo Roberto de. "Orientation and location dependency of the mechanical properties of an AlSi10Mg part produced using direct metal laser sintering (DMLS) - a microsample approach." Dissertação, 2017. https://repositorio-aberto.up.pt/handle/10216/108284.

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23

(5931092), Ehsan Maleki Pour. "Innovative Tessellation Algorithm for Generating More Uniform Temperature Distribution in the Powder-bed Fusion Process." Thesis, 2019.

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<div>Powder Bed Fusion Additive Manufacturing enables the fabrication of metal parts with complex geometry and elaborates internal features, the simplication of the assembly process, and the reduction of development time. However, the lack of consis-tent quality hinders its tremendous potential for widespread application in industry. This limits its ability as a viable manufacturing process particularly in the aerospace and medical industries where high quality and repeatability are critical. A variety of defects, which may be initiated during the powder-bed fusion additive manufacturing proce

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24

Maleki, Pour Ehsan. "Innovative Tessellation Algorithm for Generating More Uniform Temperature Distribution in the Powder-bed Fusion Process." Thesis, 2018. http://hdl.handle.net/1805/17386.

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Purdue School of Engineering and Technology, Indianapolis<br>Powder Bed Fusion Additive Manufacturing enables the fabrication of metal parts with complex geometry and elaborates internal features, the simplification of the assembly process, and the reduction of development time. However, the lack of consistent quality hinders its tremendous potential for widespread application in industry. This limits its ability as a viable manufacturing process particularly in the aerospace and medical industries where high quality and repeatability are critical. A variety of defects, which may be initiated

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