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Dissertations / Theses on the topic 'Lyophilized powder for injection'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Гончарук, Алла Юріївна. "Обґрунтування складу і технології виробництва ліофілізованого порошку для отримання парентерального лікарського засобу". Магістерська робота, Київський національний університет технологій та дизайну, 2021. https://er.knutd.edu.ua/handle/123456789/19421.

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Дипломну магістерську роботу присвячено розробці та дослідженню композиції парентерального препарату у формі ліофілізованого порошку на основі доксицикліну хіклату. В процесі досліджень було підібрано оптимальний склад допоміжних речовин, що виконують функції антиоксидантів та стабілізаторів розчину, схильного до зміни рН в процесі зберігання. Запропоновано технологію виготовлення з використанням прийому висвітлення сорбентом, обладнання, первинну упаковку, технологічну схему, валідаційний майстер-план та діаграму Ішикави для аналізу ризиків процесу виробництва. Проведені дослідження in vitro

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2

Hanson, S. M. J. "Powder co-injection moulding." Thesis, Cranfield University, 2000. http://dspace.lib.cranfield.ac.uk/handle/1826/3681.

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A novel powder processing technique has been developed by combining conventional powder injection moulding with polymer co-injection moulding, to permit the in-situ surface engineering of metal or ceramic components as an integral step within the processing cycle. The new technique has been used to produce surface engineered iron based components with either corrosion resistant or wear resistant surfaces, and to produce alumina based components with toughened surfaces. The most critical factor for the feasibility of surface engineered components is that the sintering profiles of the skin and c

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3

Wrighton, Smith Peter. "Delivery of particles by powder injection." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393515.

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4

De, Focatiis Davide. "Inverting domes for needle-less powder injection." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403711.

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5

Lane, Peter D. "Powder injection moulding of steel-hardmetal graded structure composites." Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/27790.

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6

Hidalgo, Garcia Javier. "Development of binder systems based on CAB for powder injection moulding (PIM) and micro powder injection moulding (µ-PIM) of Zircon and Invar powders." Thesis, Besançon, 2014. http://www.theses.fr/2014BESA2043/document.

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Les contributions de cette thèse de doctorat sont focalisées sur les développements de formulations à base de polymères bio sourcés et déliantable à l’eau basés sur l’emploi d’acétate butyrate de cellulose (CAB) et de polyéthylène glycol (PEG). Ces nouvelles formulations ont été appliquées sur différentes nuances de poudres métalliques (invar) et céramiques (zircones). Ces matériaux possèdent une bonne stabilité dimensionnelle sous une large gamme de température imposée et possèdent de très bas coefficients d’expansion thermique.L’objective est l’étude et la compréhension du comportement des l

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7

Martyn, Michael T. "Some aspects concerning the powder injection moulding of hardmetal components." Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/7157.

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The application of a powder injection moulding process to the production of fully sintered hardmetal components has been studied. Salient, highly interdependent process variables investigated include; powder and binder characteristics, mixing techniques, feedstock rheological characteristics, mould design features, moulding parameters, debinding and sintering parameters. Fundamental studies were conducted to determine the effect of powder and binder characteristics on the powder loading capacity of feedstocks. Various methods of mixing were investigated. The most favourable methods were identi

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8

Mitchell, Thomas James. "The ballistics of micro-particles into mucosa and skin." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275252.

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9

Pinwill, Ian E. "A study of binder removal from powder injection moulded aluminium bodies." Thesis, Brunel University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278405.

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10

Deng, Yibin. "Investigations on the administration of dry vaccines for epidermal powder injection." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-185720.

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11

Kong, Xiangji. "Development and characterization of polymer- metallic powder feedstocks for micro-injection molding." Phd thesis, Université de Franche-Comté, 2011. http://tel.archives-ouvertes.fr/tel-00844736.

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Micro-Powder Injection Moulding (Micro-PIM) technology is one of the key technologies that permit to fit with the increasing demands for smaller parts associated to miniaturization and functionalization in different application fields. The thesis focuses first on the elaboration and characterization of polymer-powder mixtures based on 316L stainless steel powders, and then on the identification of physical and material parameters related to the sintering stage and to the numerical simulations of the sintering process. Mixtures formulation with new binder systems based on different polymeric co

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12

Chuankrerkkul, Nutthita. "Powder injection moulding of WC-Co hardmetal using a PEG/PMMA Binder." Thesis, University of Sheffield, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443904.

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13

Cheng, C.-C., Y. Ono, Benjamin R. Whiteside, Elaine C. Brown, C. K. Jen, and Philip D. Coates. "Real-time diagnosis of micro powder injection molding using integrated ultrasonic sensors." Hanser, 2007. http://hdl.handle.net/10454/4068.

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no<br>Real-time diagnostics of ceramic powder injection molding using a commercial micromolding machine was performed using ultrasound. Miniature ultrasonic sensors were integrated onto the mold insert. Melt front, solidification, temperature variation and part detachment of the feedstock inside the mold cavity were observed. It has been demonstrated that ultrasonic velocity in feedstock inside the mold cavity, the ultrasonic contact duration during which the part and mold are in contact, and holding pressure can be used to assist with optimization of injection and cooling parameters to minimi

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14

Youseffi, M. "Some aspects of the injection moulding of alumina and other engineering ceramics." Thesis, Loughborough University, 1992. https://dspace.lboro.ac.uk/2134/7227.

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The literature concerning the injection moulding of engineering ceramics has been reviewed. This indicated that a number of claims had been made for the successful use of different organic binders during moulding and their removal prior to sintering. However, many of the claims were not supported by detailed/exact eScperimental evidence as to powder-binder compositions, moulding conditions, moulded properties, debinding times/cycles, or details of the structure and properties of the solid ceramic bodies produced. From the available information it was clear that there were few systematic and sc

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15

Yamanoglu, Güller. "Characterisation of submerged powder injection into water using an in-line particle detection system." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69586.

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Particle behaviour during the downwards, pneumatic injection of powder into an aqueous medium (water) has been investigated by means of a new method which involves direct measurement by making use of an Aqueous Particle Sensor (APS) unit. Through this method, phenomena and parameters related to injection processes, such as gas-particle jet penetration distance, jet diameter, jet cone angle, particle dispersion and distribution within the liquid have been investigated both qualitatively and quantitatively. Flow observations comprised part of the experimental program for the purpose of confirmin

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16

Bhero, Shepherd W. "Powder injection moulding of Co-Cr-Mo alloy and type 440 martensitic stainless steels." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301010.

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17

Kowalski, Sebastian. "Rheology based investigation of a polymer-mineral powder mix for low pressure injection moulding." Limoges, 2005. http://aurore.unilim.fr/theses/nxfile/default/80dadd89-fb07-4918-8b88-5fd642b79cac/blobholder:0/2005LIMO0015.pdf.

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La pâte céramique étudiée, mélange de plusieurs polymères immiscibles : paraffine, EVA, cire de carnauba et d'une poudre minérale submicronique est utilisée dans le procédé d'injection. On s'est surtout attaché à corréler les propriétés rhéologiques à 130°C à la physico-chimie du system. Plusieurs paramètres ont été modifiés, - la fraction volumique, la composition du mélange de polymères et la nature de la poudre. On a montré que les molécules d'EVA et de carnauba sont adsorbées sur la surface de ZrO2, dans un rapport volumique de 2/1 et la poudre fait des inclusions dans la paraffine. Pour u

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18

Mamen, Belgacem. "Experimental investigation and numerical simulation of thermal debinding and sintering processes in powder injection moulding." Thesis, Besançon, 2013. http://www.theses.fr/2013BESA2033/document.

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L'étape de déliantage est une étape importante et parfois critique pour le procédé Moulage par Injection des Poudres. A cet effet, des analyses thermogravimétriques (TGA) ont été réalisées pour bien comprendre les mécanismes du déliantage thermique sous atmosphère imposée (Argon). Les méthodes de Kissinger et Ozawa ont été utilisées, en se basant sur les résultats des analyses thermogravimétriques, afin d’estimer les paramètres cinétiques nécessaires pour la simulation numérique, notre modèle se propose de décrire les phénomènes physiques liés à la dégradation du polymère, le transfert de chal

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19

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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20

Deng, Yibin [Verfasser], and Gerhard [Akademischer Betreuer] Winter. "Investigations on the administration of dry vaccines for epidermal powder injection / Yibin Deng. Betreuer: Gerhard Winter." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2013. http://d-nb.info/1075457017/34.

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21

Cheng, Zhi-Qiang. "On the development of a fully explicit vectorial algorithm for the 3D simulation of powder injection moulding." Besançon, 2006. http://www.theses.fr/2006BESA2010.

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22

Pereira, M. F. V. T., J. M. Benson, M. Williams, and H. Chikwanda. "Component and die design principles and process parameters for the metal injection moulding of a Ti alloy." Journal for New Generation Sciences, Vol 8, Issue 2: Central University of Technology, Free State, Bloemfontein, 2010. http://hdl.handle.net/11462/562.

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Published Article<br>Metal injection moulding (MIM) offers advantages for mass production of components over conventional production methods for parts with complex shapes and large production runs. The MIM process includes mixing a fine metallic powder with a polymeric binder to produce a homogeneous feedstock. This enables the production of metallic components in a similar manner to plastic injection moulding. After undergoing a process of binder removal the components undergo a conventional sintering cycle. As significant shrinkage occurs (as much as 30%) this must be considered when designi

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23

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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24

Escobar, Camila Ferreira. "Ligante ecofriendly à base de borracha natural para o processo de moldagem por injeção de pó de ferro." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/171386.

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O processo de moldagem de pós por injeção (MPI) é uma tecnologia relativamente recente e permite a fabricação de peças e componentes de diversos materiais, com a possibilidade de fabricar peças em larga escala. O processo MPI é composto por quatro etapas: mistura do pó com o material orgânico (ligante), moldagem por injeção, extração do ligante e sinterização. O ligante é um veículo temporário composto por polímeros e/ou ceras e sua função é possibilitar o escoamento da carga injetável para o molde durante a moldagem por injeção e após a moldagem este deve ser totalmente removido da peça. A ma

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25

Pfingstag, Maiquel Emerson. "Desenvolvimento de um mini motor de passo à partir da moldagem por injeção de pós metálicos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/109154.

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Neste trabalho foi projetado o núcleo de um mini motor de passo, com rotor e estator, obtidos a partir do processo de Moldagem de Pós por Injeção (MPI). Foram avaliadas as propriedades magnéticas, elétricas e mecânicas da liga FeNi50 obtida pelo processo MPI. Também por metalurgia do pó convencional obteve-se as mesmas propriedades físicas para comparação, e avaliar os dois processos de fabricação. Na obtenção do mini motor, primeiramente procedeu-se de maneira alternativa com a utilização de ferro puro, bem como, na preparação dos pós de ferro (moagem e misturas), e assim fazendo a avaliação

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26

Claudel, Dimitri. "Modélisation et identification de lois rhéologiques de polymères chargés : Application au procédé de moulage par injection de poudres de superalliages." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2069.

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Le sujet de thèse de doctorat s’inscrit dans le cadre d’un projet de recherche collaboratif entre l’Institut FEMTO-ST et le groupe SAFRAN/SNECMA. Une partie des travaux de cette thèse concerne les caractérisations thermo-physiques de polymères chargés pour différentes nuances et granulométries de poudres de superalliage destinés à être mis en forme par le procédé de Moulage par Injection de Poudre. Pour ces travaux de thèse de doctorat, trois nuances de polymères chargés composé de poudres de superalliages ont été investiguées. Deux nuances sont composées de poudres utilisées par Snecma en rép

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27

Shi, Jianjun. "Experiment and simulation of micro injection molding and microwave sintering." Thesis, Besançon, 2014. http://www.theses.fr/2014BESA2064/document.

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Procédé de moulage par injection de poudres est constitué de quatre étapes principales: la préparation des matières premières, moulage par injection, le déliantage et le frittage. Cette thèse présente les recherches sur deux aspects principaux: la micro-injection et frittage par micro -ondes. Les contributions principaux peuvent être conclues dans les quatre aspects suivants: Modification et complément de l'algorithme précédent pour la simulation du procédé de moulage par injection; L'évaluation et la mise en œuvre de l'effet de tension de surface en simulation pour micro-injection; Micro-onde

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28

Gutierrez, Ladron de Guevara Luis A. "Studies in powder injection moulding with a PEG-PMMA composite binder using Fe-50% Ni, Fe3%Si and Fe-7%Si soft magnetic alloy powders." Thesis, University of Sheffield, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419566.

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29

Wallis, Kirsty. "Design of experiment studies for the fabrication processes involved in the micro-texturing of surfaces for fluid control." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8456.

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This thesis focuses on the use of a design of experiment approach to examine the significance of process factors and interactions on the fabrication of micro- textured surfaces. The micro-textured surfaces examined contain pillar and hole features ranging from 80 – 2 micrometers in diameter. The processes examined are the deep reactive ion etching of silicon wafers for the production of silicon mould inserts and the micro-injection moulding of polypropylene, high density polyethylene and 316LS stainless steel replicate samples of the silicon mould insert. During the deep reactive ion etching o

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30

Robertson, Jacqueline T. "The governance of aquifer injection using coal seam gas produced water in the Surat Cumulative Management Area, Queensland, Australia and the Powder River Basin, Wyoming, USA." Thesis, Griffith University, 2019. http://hdl.handle.net/10072/390030.

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The sustainable governance of groundwater is of the utmost importance in an arid country like Australia. Groundwater is relied on by our agricultural and pastoral communities. Groundwater is also a significant issue in mining, oil and gas extraction and energy production. Recent conflicts between pre-existing pastoral and agricultural groundwater users and more recently introduced coal seam gas (CSG) industry in Australia highlight the difficulties in governing our groundwater resources. These are not simple concerns either. Debate over how to manage the Great Artesian Basin (GAB) resources, w

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31

Mota, Eliane Neves da. "Desenvolvimento de sistema ligante para processamento de alumina por injeção a partir de polímeros de fontes renováveis." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/108379.

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Neste trabalho, inicialmente, foram obtidos TPSs (amidos termoplásticos) com diferentes concentrações de amido e plastificantes, por processamento em câmara de mistura, com o objetivo de determinar formulações para estudo em extrusora reativa. As formulações de TPS que apresentaram os melhores resultados de torque reométrico foram as que continham 39%m/m de amido. Investigou-se a influência da velocidade da rosca na obtenção de TPS por extrusora reativa, e os resultados mostraram que este parâmetro teve pequena influência na estabilidade do amido termoplástico, sendo possível utilizar 150 rpm

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32

Liksonov, Dimitriy. "Experimental and numerical study of the manufacturing and behavior of femoral total hip replacement components produced by injection molding of a fiber composite and by powder technologies." Besançon, 2006. http://www.theses.fr/2006BESA2002.

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33

Ridgway, Jonathan S. "Development of novel ceramic processing techniques for manufacturing of heart valves : investigating the use of powder reaction injection moulding engineering (PRIME) for the manufacture of novel, seam-free ceramic heart valves." Thesis, Nottingham Trent University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310856.

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34

Oliveira, Alex Sandro Matos de. "Fabricação de pinças de biópsias a partir do processo de micromoldagem de pós metálicos por injeção com aplicação à endoscopia flexível." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/108505.

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Neste trabalho foi desenvolvido o projeto e fabricação de quatro componentes de uma pinça de biópsia (concha, garfo, oito e haste), através da micromoldagem de pós metálicos por injeção. A matéria prima utilizada neste trabalho é conhecida comercialmente como CATAMOLD® 316L A. Corpos de prova foram obtidos através da injeção em uma injetora de baixa pressão para determinação da quantidade de pó de aço inoxidável 316L e sistema aglutinante contida na matéria prima. Ensaios de injetabilidade foram realizados para análise do comportamento da matéria prima no processo de injeção. Foram avaliados o

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35

Pereira, Manuel Filipe Viana Teotonio. "ADDITIVE MANUFACTURING OF COMPONENTS FOR IN-DIE CAVITY USE, SUITABLE TO WITHSTAND ALUMINIUM HIGH PRESSURE DIE CASTING (HPDC) PROCESS CONDITIONS." Thesis, Bloemfontein: Central University of Technology, Free State, 2013. http://hdl.handle.net/11462/243.

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Thesis (M. Tech. (Engineering: Mechanical)) -- Central University of Technology, Free State, 2013<br>This research examines the suitability of Additive Manufacturing (AM) for manufacturing dies used in aluminium high pressure die casting. The study was guided by the following objectives: • The reviews of applicable literature sources that outline technical and application aspects of AM in plastic injection moulds and the possibilities of applying it to high pressure casting die. • To introduce AM grown die components in die manufacture. Further, to develop a methodology that will allow ind

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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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Baumann, Andreas. "Pulverspritzgießen von Metall-Keramik-Verbunden." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2011. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-64267.

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Die in der vorliegenden Arbeit untersuchten Metall-Keramik-Verbunde wurden mittels Pulverspritzgießen hergestellt. Unter Anwendung der teilautomatisierten Verfahrensoptionen Mehrkomponentenspritzgießen und Inmould-Labelling, welches u. a. die Verwendung tiefgezogener Grünfolien beinhaltete, wurden hierzu 2K-Prüfkörpergeometrien (Zugstab, Biegebruchstab, Ringverbund) und 2K-Demonstratoren (Innenzahnrad, Fadenführer, Greifer) jeweils bestehend aus Stahl 17-4PH und ZrO2 (3%Y2O3), im Co-Sinterverfahren unter H2-Atmosphäre bei 1350°C, entwickelt. Schlüssel zur Darstellung schwindungskonformer ZrO2-

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Lyra, Wellington da Silva. "Um método espectrométrico de emissão em chama baseado em imagens digitais para determinação indireta de fármacos e determinação simultânea de sódio e cálcio." Universidade Federal da Paraíba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/7116.

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Made available in DSpace on 2015-05-14T13:21:30Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 12264651 bytes, checksum: c1dad0a27d50ddb05acdcc8e21042b61 (MD5) Previous issue date: 2012-09-11<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>In this work the potential of the Digital Image-Based Flame Emission Spectrometry (DIB-FES) is demonstrated through two completely separate applications. The first one consists in the indirect determination of three drugs in injectable form: sodium dicofenac, sodium dipyrone and clacium gluconate and the second in the combin

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Zegarra, Cavero-Blumenfeld Fernanda, and Huamán Katya Valeria Meza. "Comparación in vitro de la adaptación marginal de coronas unitarias de porcelana vitrocerámica elaboradas con tres sistemas de procesado." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/653925.

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Objetivo: Comparar in vitro la adaptación marginal de coronas unitarias de porcelana vitrocerámica elaboradas con tres sistemas de procesado. Materiales y métodos: El presente estudio fue de tipo experimental in vitro. La muestra estuvo conformada por 69 coronas de porcelana vitrocerámica fabricadas con los sistemas: CAD-CAM, inyección de porcelana y condensación sobre muñón refractario. Para la evaluación de la discrepancia marginal vertical se realizó un registro fotográfico con una cámara digital y un lente macroscópico de 100 milímetros. Las imágenes fueron medidas digitalmente (ImageJ

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40

Yi, Chen Jeng, and 陳政逸. "Rheological Behavior of Titanium Powder Injection Molding." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/31388858878514224192.

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碩士<br>國立成功大學<br>材料科學及工程學系<br>88<br>Abstract Titanium is widely used at aviation, chemical industry, and popular industries owing to its low density, high strength/weight ratio, high temperature resistance and high corrosion resistance. In order to fabricate titanium products in net shape, titanium powder injection molding has been developed. Powder characteristics, binder system, rheological behavior of feedstocks, injection molding conditions, and the method of debinding and sintering are the main parameters in metal injection molding process. Binder system play

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Shao-Chung, Hu, and 胡紹中. "The Dimensional Control of Powder Injection-Molded Compacts." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/41860885970855984167.

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博士<br>國立臺灣大學<br>材料科學與工程學研究所<br>88<br>Powder injection molding (PIM) has become a popular process in producing complex-shaped parts. However, the undesirable dimensional control and the wide tolerance of the parts remain an obstacle to further promoting this technology. The objective of this study was to investigate the causes of the tolerance control problems by measuring the in-situ dimensional change and deformation behavior of PIM specimens during debinding and sintering using a self-designed laser dilatometer and a conventional thermal dilatometer. The results can be divided into the follo

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Szu-Chih, Liu, and 劉思治. "The superplastic behavior of powder injection molded blends." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/55190018581110766422.

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碩士<br>國立臺灣科技大學<br>機械工程研究所<br>83<br>Powder injection molding is a novel process in use in the powder metallurgy industry which comprise a metal or ceramic powder and binder agent, there are intrinsic limitations with these processes, such as :difficulties in forming intricate, thin and irregularly shaped parts because the feedstock has inadequate flow properties which lead to density variations or entraped air in the part, cause shrinkage and distortion during debinding. The binder systems w

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Wu, Rong-Tarng, and 吳榮堂. "The Properties of Powder Injection Molding 8620 Low Alloyed." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/11599615548809358637.

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Young, Ming-Hsieh, and 謝永明. "The Solvent Debinding Mechanism of Powder Injection Molded Compacts." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/35649685872657250889.

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Yang, Chao Yuan, and 楊朝元. "Study on the Process of Metal Powder Injection Molding." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/42776679264036032847.

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碩士<br>國立清華大學<br>動力機械學系<br>84<br>The purpose of this study is to make a systematic study on the process of the metal powder injection molding. The entire process consists of binder system selection, injection molding conditions selection, debinding profile''s setting, and effect of sintering atmosphere and temperature. In the experimentation, a standard binder system mainly consists of polypropylene, paraffine wax, carnauba wax, and stearic acid. The feedstock is made by m

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Lo, Wei-Ta, and 駱威達. "The Effect of Lecithin and Maltodextrin on the Stability of Nano/Submicron Cellulose Suspension and Its Rehydration of Lyophilized Powder." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/38066060018018594639.

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碩士<br>國立臺灣大學<br>食品科技研究所<br>97<br>Cellulose is the most broadly-distributed and abundant polysaccharide in nature. It is also known as dietary fiber in food. It has been proved that dietary fiber can improve human health, such as promoting gastrointestinal peristalsis, preventing constipation and colon cancer, reducing cholesterol, stabilizing blood sugar level and reducing weight. In this study, the stability of nano/submicron cellulose particles suspending in water and the rehydration ability of the lyophilized powder were investigated. Addition of lecithin worked as an emulsifier improved th

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Cheng, Li-Hui, and 鄭禮輝. "The Study of High-Strength Powder Injection Molded316L Stainless Steel." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/85119465271265143620.

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博士<br>國立臺灣大學<br>材料科學與工程學研究所<br>100<br>Powder Injection Molded (PIM) 316L stainless steels are widely applied in the industry for making small components with complicated shapes, but its austenitic structure and poor strength limit its applications. The methods of grain refinement, solid-solution strengthing by nitrogen, carburizing treatments, and alloying were used in this study to improve the mechanical properties of 316L. In order to attain high sintered density, 316L is generally sintered at high temperatures, which causes significant grain growth. To circumvent this drawback, fine (D50 =

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Yeh, Hsin-Ya, and 葉欣亞. "Study of Metal Powder Molding by Using Injection Compression Technology." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/89381753343965805231.

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碩士<br>中原大學<br>機械工程研究所<br>103<br>Metal powder injection molding (MIM) is a near net-shape manufacturing method combining plastic injection molding process with powder metallurgy process. Since MIM involves the widespread process characteristic, it often ends with unstable on product quality. Especially, the defect of warpage appears usually after the step of agglutination and de-binding result from the stress occurred in injection molding step. This study investigates the effect of injection compression molding to the traditional metal injection molding on the part density, hardness, flatness,

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Yang, Ming-Hsien Ou, and 歐陽銘賢. "Study of Metal Powder Injection Molding Using Gas Assisted Technology." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/tnasnj.

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碩士<br>中原大學<br>機械工程研究所<br>106<br>Metal Injection Molding (MIM) is a manufacturing method combining with injection molding process and powder metallurgy process. De-binding process takes the longest time in all process. As the volume of product is large, it will take doubling time on de-binding process. Utilizing the gas-assisted injection molding (GAIM) can let the product be hollow. Therefore, the purpose of the study was to reduce the time on de-binding process by combining with GAIM and MIM. One dimensional tube was utilized to individually investigate the effect of gas assisted injection m

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Lahm, Katja. "Investigation on intradermal delivery of drug powder by needle-free injection /." 2005. http://www.gbv.de/dms/bs/toc/501260501.pdf.

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