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Rozprawy doktorskie na temat „Annealing. microstructure”

Autor: Grafiati

Data publikacji: 19 października 2024

Data aktualizacji: 31 lipca 2025

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1

Thomas, Richard. "Microstructure development in multicomponent alloys." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242037.

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Ohlsson, Richard. "Variations in hardness and microstructure in cartridge cases at annealing." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-68670.

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The thesis work is performed at Norma Precision AB, a company that manufactures ammunition for hunting and competitive shooting. Two types of cases called 300 Winchester Magnum and 308 Winchester are examined on how their hardness were prior to and after the two annealing’s of the neck they experience during the manufacturing. The cases vary in hardness and an investigation will be made to draw connections to the microstructure of the cases in order to understand the variations and possibly avoid the variations in the future. The cases were selected at different days, the 300 Winchester Magnum

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3

Kulakov, Mykola. "Microstructure evolution during intercritical annealing of a Mn-Cr dual-phase steel." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44695.

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A model was developed to describe the microstructure evolution during intercritical annealing of a low-carbon steel suitable for industrial production of dual-phase steels (DP600 grade) on a hot-dip galvanizing line. The microstructure evolution model consists of individual submodels for recrystallization, austenite formation in a fully recrystallized material and austenite decomposition after partial austenization. These submodels were developed using the Johnson-Mehl-Avrami-Kolmogorov approach and the additivity principle. The model parameters were obtained based on the results of systematic

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Miszczyk, Magdalena Maria. "Microstructure and texture evolution during annealing of plane strain compressed fcc metals." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2013. http://tel.archives-ouvertes.fr/tel-00904405.

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The present research program is a renewed attempt at explaining the transformation mechanisms. The experimental investigations has focused on a model analysis of transformations which occur in single crystals, with stable orientations, i.e. Goss{110}<001> and brass{110}<112>, the deformation is carried out by channel-die compression to simulate the rolling process of thin sheets. Next, the samples were annealed at temperatures of primary recrystallization. The analysis of crystallographic transformations was conducted on metals from a wide spectrum of stacking fault energy: low - Cu-2%Al, aver

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Zhu, Benqiang. "Phase-field modeling of microstructure evolution in low-carbon steels during intercritical annealing." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/52176.

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Intercritical annealing is used widely in the steel industry to produce advanced high strength steels for automotive applications, e.g. dual-phase steels. A phase-field model is develop to describe microstructure evolution during intercritical annealing of low-carbon steels. The phase-field model consists of individual sub-models for ferrite recrystallization, austenite formation and austenite to ferrite transformation. In particular, a Gibbs-energy dissipation model is coupled to the phase-field model to describe the effects of solutes on migration of austenite/ferrite interfaces. The model i

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6

Cusick, Michael Christopher. "THE USE OF SELECTIVE ANNEALING FOR SUPERPLASTIC FORMING OF MG AZ31 ALLOY." UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_theses/492.

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A recent study on the Post-Formed properties of Superplastically Formed Magnesium AZ31B has shown that the heating time prior to testing has a major effect on the Post Forming properties of the superplastically material. To this point, there has been very little examination into the effect of pre-heating or annealing on superplastic forming (SPF) properties. In this work, the effects of annealing prior to the SPF of Mg AZ31 alloy were examined. Both high temperature SPF tensile and bulge specimens were formed after annealing. Multiple annealing temperatures were examined to produce specimens w

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7

Xu, Wanqiang Materials Science &amp Engineering Faculty of Science UNSW. "Effect of initial microstructure on the deformation and annealing behaviour of low carbon steel." Awarded by:University of New South Wales. School of Materials Science and Engineering, 2006. http://handle.unsw.edu.au/1959.4/26801.

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The effect of initial microstructures of an 0.05 wt.% C low carbon steel, acicular ferrite (AF), Bainite (B), polygonal ferrite (PF), fine polygonal ferrite (FPF), and a microstructure produced by direct strip casting (DSC) (termed SC), on the deformation and recrystallization behaviour of cold rolled low carbon (LC) steel, was investigated. The initially prepared samples with the initial microstructures were cold rolled to 50, 70 and 90% reductions, then annealed isothermally in the temperature range 580 ??? 680 oC. The microstructures and textures produced by deformation and annealing wer

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8

Longanecker, Melanie J. "CONTROLLING THE MICROSTRUCTURE AND KINETICS OF BLOCK COPOLYMER SELF-ASSEMBLY BY DIRECT IMMERSION ANNEALING." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1509902596608426.

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Al-Buhamad, Oday Hatim Materials Science &amp Engineering Faculty of Science UNSW. "Accumulative roll bonding of multilayered aluminium alloys." Awarded by:University of New South Wales. Materials Science & Engineering, 2009. http://handle.unsw.edu.au/1959.4/44806.

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Multilayered aluminium alloy composites were produced by accumulative roll bonding (ARB) to very high strain to generate sheet materials consisting of either 32 or 64 alternating layers of Al and Al-0.3w.%Sc alloy. Based on the starting heat treatment condition of the Al(Sc) alloy and the roll bonding temperature, several different Al/Al(Sc) combinations were produced: (i) SSSS-ARB (Al(Sc) in the supersaturated condition; Tdef = 200 ???C; 32 layers); (ii) Aged-ARB (Al(Sc) in the artificially aged condition; Tdef = 200 ???C; 32 layers), and (iii) SSSS-ARB-HT (Al(Sc) in the SSSS condition; Tdef

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10

Porter, S. L. "Microstructure-mechanical property relationships during the thermomechnaical simulation and annealing of novel interstitial free steels." Thesis, Swansea University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638555.

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Interstitial Free (IF) Steels are widely used in the automotive industry. Their excellent mechanical property characteristics, such as the high formability typified by high r<sub>mean</sub>-values, low yield strength and high elongation make them very suitable for manufacturing into automotive body panels. However, their properties and microstructures are affected by their composition and processing conditions. This research program is focused on the optimisation of the properties of two Interstitial Free Steel Grades, an experimentally produced mild Ti-Nb IF Grade and a commercially produced

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11

Nabach, William A. "The effects of isothermal deformation and annealing on the microstructure of nickel-aluminum-bronze propeller material." Thesis, Monterey, Calif. : Naval Postgraduate School, 2003. http://bosun.nps.edu/uhtbin/hyperion.exe/03Jun%5FNabach.pdf.

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Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, Terry R. McNelley.<br>Thesis Advisor(s): Terry R. McNelley. "June 2003." Includes bibliographical references (p. 41-43). Also available in print.

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12

Shukla, Keerti. "The effect of annealing on the microstructure of Cu-Al-Ni-Mn shape memory alloy microwires." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100889.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 37-38).<br>Shape memory alloys exhibit superelasticity and the shape memory effect by undergoing a diffusionless phase transformation between the austenite and martensite phases. Nickel-titanium alloys are currently the most common material used. However, due to their expensive cost, alternatives such as Cu-based alloys have been investigated. Cu-based alloys have exhibited the shape memory effect and

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13

Cousins, Michael Andrew. "Microstructure of absorber layers in CdTe/Cds solar cells." Thesis, Durham University, 2001. http://etheses.dur.ac.uk/4266/.

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This work concerns the microstructure of CSS-grown CdTe layers used for CdTe/CdS solar cells. Particular attention is given to how the development of microstructure on annealing with CdCl(_2) may correlate with increases in efficiency. By annealing pressed pellets of bulk CdTe powder, it is shown that microstructural change does occur on heating the material, enhanced by the inclusion of CdCl(_2) flux. However, the temperature required to cause significant effects is demonstrated to be higher than that at which heavy oxidation takes place. The dynamics of this oxidation are also examined. To i

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14

Low, Thaddeus Song En. "Investigating the Stability of the α/ω Dual Phase Microstructure in Shock Impacted Zr". The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1524178270425181.

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15

Alshammari, Ohud. "EFFECT OF ANNEALING ON THE MICROSTRUCTURE AND MAGNETIC PROPERITES OF SELECTED (Ni-Mn-Ga) MELT-SPUN RIBBONS." Miami University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=miami1464184585.

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16

Ye, Changhuai. "Microstructure Alignment and Mechanical Properties of Block Copolymer and Crystalline Polymer Thin Films." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1475553221643627.

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17

Iversen, Jørgen Tandberg. "Implementation and Testing of Numerical Models for Evolution of Microchemistry and Microstructure During Back-Annealing of Aluminium Alloys." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-26682.

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Precipal and Alsoft are two separate models for simulating the effects of back-annealing on microchemistry and microstructure, respectively, in AA3xxx-type aluminium alloys (i.e Mn containing alloys). The precipitation model simulates the precipitation and growth of dispersoids, growth of constituents, and the resulting change in the solid solution concentration. Alsoft is a physical softening model which combines the effects of recovery and recrystallization.Precipal was originally implemented in Fortran 77, while the softening model, Alsoft, is implemented in Python. It would be beneficial

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18

Sharpe, Jane. "Synthesis and characterisation of Ru2Si3." Thesis, University of Surrey, 2000. http://epubs.surrey.ac.uk/844057/.

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Ion Implantation of ruthenium ions into a silicon substrate followed by a high temperature anneal (known as Ion Beam Synthesis) has been used for the first time to fabricate three wafers, under the following conditions. 1. 5.67 X 1016 Ru+ cm-2, beam heated 2. 4.25 X 1016 Ru+ cm-2, heated to ~ 600°C 3. 1.27 X 1017 Ru+ cm-2, heated to ~ 600°C All wafers contained precipitates of the orthorhombic semiconducting silicide of ruthenium, Ru2Si3. No other phase was identified. The samples exhibited a complicated microstructure, with 16 different orientation variants identified, and a high degr

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19

Stålnacke, Emil. "Microstructure-corrosion interrelations in new low-lead and lead-free brass alloys." Thesis, KTH, Materialvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217355.

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In new low-lead and lead-free brass alloys, it is not understood how the corrosion properties,such as dezincification, are related to material composition as well as annealing temperatureand duration. This study aims to fill this knowledge gap by mapping sixteen annealingconditions and three different brass alloy compositions to their respective microstructure anddezincification performance. It was found that high dezincification depth was a result ofannealing temperatures at 300°C – 400°C, which promoted precipitation of intermetallicAlAs-particles along grain boundaries, twins and lead parti

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20

Salih, Mohammed Zakria [Verfasser]. "The effect of magnetic annealing on crystallographic texture, microstructure and magnetic properties development in Fe-2.6%Si / Mohammed Zakria Salih." Clausthal-Zellerfeld : Universitätsbibliothek Clausthal, 2014. http://d-nb.info/1054128510/34.

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21

Haase, Christian [Verfasser], Dmitri A. [Akademischer Betreuer] Molodov, and Wolfgang [Akademischer Betreuer] Bleck. "Texture and microstructure evolution during deformation and annealing of high-manganese TWIP steels / Christian Haase ; Dmitri A. Molodov, Wolfgang Bleck." Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1130590003/34.

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22

Vazquez, Brian K. "The effects of isothermal deformation and annealing on the microstructure of nickel-aluminum-bronze in relation to the friction stir process." Thesis, Monterey, Calif. : Naval Postgraduate School, 2003. http://edocs.nps.edu/npspubs/scholarly/theses/2003/Dec/03Dec%5FVazquez.pdf.

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Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, December 2003.<br>Thesis Advisor(s): McNelley, Terry R. "September 2008." Description based on title screen as viewed on January 21, 2009. Includes bibliographical references (p. 57-59). Also available in print.

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23

Kisko, A. (Anna). "Microstructure and properties of reversion treated low-Ni high-Mn austenitic stainless steels." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526212159.

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Abstract In this thesis, the influence of reversion and recrystallization annealing on microstructure and mechanical properties was studied in metastable austenitic low-Ni high-Mn stainless steels, some alloyed with up to 0.45 wt.% Nb. Further, the effect of the various microstructures created by reversion and recrystallization on strain-induced martensite transformation in tensile testing was investigated. The aim was to achieve excellent combinations of strength and ductility in the steels and to improve understanding of the behaviour of ultrafine-grained austenitic stainless steels during d

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24

Dixon, Richard John. "Ion scattering studies of the surface and near surface region of metals and semiconductors." Thesis, University of Warwick, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343788.

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25

Lienshöft, Laura, Paul Chekhonin, Dana Zöllner, et al. "Static recrystallization and grain growth of accumulative roll bonded aluminum laminates." Cambridge University Press, 2017. https://tud.qucosa.de/id/qucosa%3A70745.

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Aluminum laminates of high and technical purity layers were produced by accumulative roll bonding (ARB) at room temperature. To study the thermal stability, the laminates after 2 to 9 ARB cycles were annealed between 100 and 400 °C for one hour. Changes of the microstructure were analyzed by electron backscatter diffraction. For low ARB cycle numbers (4 or below) and 300 °C annealing temperature, the deformed technical pure layers start to recrystallize while the high-purity coarse recrystallized layers experience intralayer grain growth. For higher ARB cycle numbers (6 and 8) and an annealing

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26

Almeida, Harrizon Lima de. "Estudo microestrutural em mineralização aurífera do tipo-veio hospedada em zona de cisalhamento : caso do depósito Sertãozinho, província Borborema, NE do Brasil /." Rio Claro : [s.n.], 2003. http://hdl.handle.net/11449/103019.

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Orientador: Peter Christian Hackspacher<br>Banca: Luiz Sergio Amarante Simões<br>Banca: Nelson Angeli<br>Banca: Carlos José Archanjo<br>Banca: Marcos Egydio da Silva<br>Resumo: A zona de cisalhamento Itapetim (ZCI) desenvolveu foliação e lineação nos diferentes tipos de rochas, milonitos a ultramilonitos. Muitos dos tipos de microestruturas observadas na ZCI preservam evidências de condições metamórficas de alto grau e baixo grau de temperatura. O padrão das orientações preferenciais dos eixos [c] de quartzo, obtida a partir de agregados policristalinos deformados, mostra dois diferentes tipos

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AKANI, MOHAMED. "Elaboration du silicium polycristallin par projection plasma : microstructure et proprietes electriques." Paris 6, 1986. http://www.theses.fr/1986PA066613.

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Obtention de rubans autosupportes ou supportes par differents substrats par projection plasma a partir de poudre de silicium. Optimisation du procede. Mesure des caracteristiques des rubans obtenus (porosite, densite, resistivite, mobilite de hall) avant et apres recuit, et apres recristallisation par bombardement electronique. Evolution des caracteristiques electriques avec le dopage. Mesure des proprietes photoelectroniques

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28

Gasmi, Assia. "Effet de la nanostructuration sur le comportement thermomécanique du Nitinol." Electronic Thesis or Diss., Université de Montpellier (2022-....), 2024. http://www.theses.fr/2024UMONS018.

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La présente thèse s’intéresse à l'alliage à mémoire de forme NiTi, en se concentrant sur l'influence du procédé de nanostructuration superficielle SMAT sur son comportement thermomécanique. À travers quatre chapitres distincts, elle rappelle les principales caractéristiques des alliages à mémoire de forme (AMF), mettant en avant les propriétés exceptionnelles de l'alliage NiTi, et explorant le traitement de nanocristallisation superficielle (SMAT). La caractérisation microstructurale est ensuite approfondie, notamment en étudiant les effets du traitement thermique de recuit et du SMAT sur la t

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Kench, P. J. "Microstructures of group III-nitrides after implantation with gallium." Thesis, University of Surrey, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343459.

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Couchet, Clélia. "New insights in understanding the interaction between recrystallization and phase transformation during intercritical annealing in DP steels." Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0019.

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La formation des microstructures est cruciale pour la sidérurgie. Pour les aciers Dual Phase (DP), utilisés dans l'automobile, celle-ci a lieu lors du recuit intercritique après le laminage à froid. Après la chauffe, la microstructure est composée de ferrite et d'austénite recristallisées. Lors du refroidissement, l'austénite se transforme partiellement en ferrite puis en martensite pour atteindre la microstructure ferrite/martensite finale. L'austénitisation est cruciale pour contrôler les fractions et tailles de phase finales et donc leurs propriétés mécaniques. De nombreuses études montrent

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31

Sakael, Clément. "Modélisation de la microstructure des alliages de Zirconium irradiés : application à un transitoire Accident de Perte de Réfrigérant Primaire et à la restauration en aval du cycle." Electronic Thesis or Diss., Centrale Lille Institut, 2023. http://www.theses.fr/2023CLIL0010.

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Le sujet de cette thèse concerne les alliages de zirconium qui sont utilisés pour fabriquer la gaine du crayon combustible et les assemblages combustibles des réacteurs nucléaires à eau pressurisée. Ce type d'alliage est choisi dans le domaine du nucléaire pour sa faible section efficace de capture des neutrons thermiques. Cependant sous irradiation aux neutrons, il est observé des changements de forme et de volume, une augmentation de la dureté et une réduction importante de la ductilité du matériau, ce qui signifie une augmentation de sa fragilisation. Ce travail s’intéresse plus particulièr

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32

Ramdani, Hamdane. "Contribution à l'étude d'aimants samarium-cobalt : relation entre les propriétés magnétiques et la microstructure." Rouen, 1987. http://www.theses.fr/1987ROUES034.

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Etude d'aimants frittés Sm (Co, Fe, Cu, Zr)(7,29) ayant subi des traitements thermiques différents. Mesure de la coercivité et observation de la microstructure par microscopie électronique en transmission. Corrélation entre les microstructures avant et après recuit a 830°C et les propriétés magnétiques, à partir d'un modèle basé sur la répartition des éléments d'addition

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Almeida, Harrizon Lima de [UNESP]. "Estudo microestrutural em mineralização aurífera do tipo-veio hospedada em zona de cisalhamento: caso do depósito Sertãozinho, província Borborema, NE do Brasil." Universidade Estadual Paulista (UNESP), 2003. http://hdl.handle.net/11449/103019.

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Made available in DSpace on 2014-06-11T19:32:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-08-15Bitstream added on 2014-06-13T20:23:37Z : No. of bitstreams: 1 almeida_hl_dr_rcla.pdf: 806140 bytes, checksum: 7940276ecd62a931d89c15464ccc97db (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>A zona de cisalhamento Itapetim (ZCI) desenvolveu foliação e lineação nos diferentes tipos de rochas, milonitos a ultramilonitos. Muitos dos tipos de microestruturas observadas na ZCI preservam evidências de condições metamórficas de alto grau e baixo grau de temperatura.

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Granbom, Ylva. "Structure and mechanical properties of dual phase steels : An experimental and theoretical analysis." Doctoral thesis, KTH, Mekanisk metallografi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-24869.

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The key to the understanding of the mechanical behavior of dual phase (DP) steels is to a large extent to be found in the microstructure. The microstructure is in its turn a result of the chemical composition and the process parameters during its production. In this thesis the connection between microstructure and mechanical properties is studied, with focus on the microstructure development during annealing in a continuous annealing line. In-line trials as well as the lab simulations have been carried out in order to investigate the impact of alloying elements and process parameters on the mi

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35

Lectard, Eric. "Structures, microstructures et coercitivité des alliages Sm(Co,Cu)5." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0139.

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L'objectif de ce travail est d'etudier les liens entre composition chimique, microstructure et coercitivite des phases magnetiques de type sm(co,cu)5. L'etude est realisee sur des alliages de microstructures typiques (alliages solidifies, homogeneises frittes ou isotropes, monocristaux) et de composition variees, elabores et caracterises a differentes echelles. Les microstructures multiphasees obtenues par solidification sont de type dendritique : la phase de cristallisation primaire, d'apparence biphasee, est une phase sm(co,cu)#5 dont les segregations de solidification simulent une demixtion

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36

Royer, Agnès. "Evolutions thermique et mécanique de la microstructure de superalliages monocristallins étudiées par diffusion centrale et diffraction (neutrons, rayons [gamma])." Grenoble 1, 1993. http://www.theses.fr/1993GRE10097.

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Les experiences de diffraction et de diffusion des rayonnements gamma et neutron nous ont permis d'etudier la microstructure du superalliage monocristallin am1 ainsi que son evolution en fonction de la temperature. Ces experiences ont pour la plupart ete realisees in situ en temperature et nos resultats qui sont relatifs a un grand nombre de precipites, ne sont pas sensibles aux heterogeneites locales de composition chimique. Nous avons analyse la morphologie des precipites gamma prime a l'aide d'experiences de diffusion aux petits angles des neutrons, au cours des phenomenes de precipitation

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Pierce, Frank Allen. "The isothermal deformation of nickel aluminum bronze in relation to friction stir processing." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://handle.dtic.mil/100.2/ADA430658.

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Thesis (M.S. in Mechanical Engineering) Naval Postgreaduate School, June 2004.<br>Thesis Advisor (s): Terry R. McNelley. "June 2004." Includes bibliographic references (p. 53-54). Also available in print.

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38

Trombley, Melissa L. "Localized annealing of polysilicon microstructures by inductively heated ferromagnetic films /." Available online. Click here, 2007. http://sunshine.lib.mtu.edu/ETD/DISS/2007/Electrical&ComputerEng/trombleym/diss.pdf.

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Narayanan, Rajmohan. "Computer simulation of textural and microstructural changes during annealing processes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq64629.pdf.

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Cushway, Clayton Andrew. "The Microstructural Annealing Response of Cold Gas Dynamically Sprayed Al 6061." UNF Digital Commons, 2018. https://digitalcommons.unf.edu/etd/846.

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The Cold-Gas Dynamic-Spray process also known as Cold Spray (CS) has been researched for three decades. The CS process is a solid-state deposition technique via supersonic velocity of powder particles at a temperature significantly below the melting point of the spray material. This thesis presents background on the overall CS process parameters, and additional information on the microstructural and mechanical properties of typical Cold Sprayed materials.This Thesis primarily presents a study on the microstructural annealing response of CS Al 6061. It should be noted that for this study, the t

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Huang, Yi-Hsuan, and 黃怡萱. "Effect of annealing on the microstructure of MnBi alloy thin films." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7twu24.

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碩士<br>國立中興大學<br>材料科學與工程學系所<br>106<br>The composite films of Ag/MnBi on Si substrate was prepared by dual ion-beam deposition technique. The structural and magnetic properties of the composite films were studied by X-ray diffraction (XRD) , transmission electron microsopy (TEM) , Vibrating sample magnetometer (VSM) ,respectively . XRD results have shown that MnBi layer of H.C.P with a＝4.27 Å、c＝6.12 Å, Ag layer consisted of F.C.C with a=4.05Å . TEM results have shown that the grain size of polycrystalline composite film range from 3~14 nm. After annealing , we can find from TEM results that Ag l

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Lindell, David. "Process-microstructure-corrosion interrelations for stainless steel." Doctoral thesis, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159072.

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Stainless steels were first developed in the early 20th century and have since then emerged as a very diverse class of engineering materials. Along with steels having new combinations of properties, there is a continuous development of new technologies allowing the material to be produced in a faster and more energy effcient manner. A prerequisite for new technologies to be adapted quicklyis a fundamental understanding of the microstructure evolution throughout theprocess chain. The first part of this thesis has been dedicated to the annealing and pickling processes from a process-microstructu

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Bacaltchuk, Cristiane Maria Basto Garmestani H. "Effect of magnetic annealing on texture and microstructure development in silicon steel." Diss., 2005. http://etd.lib.fsu.edu/theses/available/etd-01042005-150011/.

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Thesis (Ph. D.)--Florida State University, 2005.<br>Advisor: Dr. Hamid Garmestani, Florida State University, College of Engineering, Department of Mechanical Engineering Title and description from dissertation home page (viewed June 14, 2005). Document formatted into pages; contains xv, 115 pages. Includes bibliographical references.

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Li, Zong Shu. "Microstructure Evolution and Mechanical Properties of Electroformed Nano-grained Nickel upon Annealing." Thesis, 2010. http://hdl.handle.net/1807/25763.

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Nano-grained nickel produced by electroforming technique was investigated for its microstructure evolution and mechanical properties upon annealing. It was found that during low temperature annealing (T<250 oC), electroformed nano-grained nickel showed scattered and isolated abnormal grain growth, followed by a major abnormal grain growth at 320 oC. A secondary abnormal grain growth, featuring faceted grain boundaries, was observed at a higher annealing temperature (T=528 oC). A semi-in-situ observation using optical microscopy was conducted to track the movement of the faceted grain boundarie

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Huang, Shang-Feng, and 黃尚峰. "Effect of Different Annealing Processes on Microstructure of Fe Implanted Silicon Substrate." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/30514540774266800120.

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碩士<br>國立清華大學<br>材料科學工程學系<br>92<br>Semiconducting β-FeSi2 have attracted great attention in the recent decade. Because it has a direct band-gap of about 0.8eV, and it can emit a light of 1.55μm. With this property, silicon based IR-LED(Light emitting device) and IR-Sensor can be synthesized. But its optical property is still controversial, M. G. Grimaldi et al. suggested that the luminescence of β-FeSi2 precipitates is related to its location. So that our study is using a variety of annealing process to see if we can control the location of β-FeSi2 precipitates. The general method of ion beam s

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Lin, Cheng-yi, and 林承毅. "Effect of solid solution and annealing on microstructure of 13Cr2Ni2Mo stainless steel." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/76mn5y.

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碩士<br>國立高雄大學<br>化學工程及材料工程學系碩士班<br>103<br>This study is focused on a 13Cr2Ni2Mo stainless steel use as screws manufacturing. We want to find the best heat treatment parameters for manufacturing, by analysising it’s microstructure and hardness. The first part of my experiment is solid solution heat treatment.In this stage,the microstructure is martensite as a base phase with some δ ferrite phase. When temperature of solid solution heat treatment is 1100 ℃,and temperature holding time is less than 30 minutes, there is still B-rich Mo-rich phase undissolved back to base; The fraction of δ ferrite

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Chang, Chia-Yuan, and 張佳媛. "Influence of Annealing on the Microstructure and Properties of ATO Thin Films." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/60097749448691048161.

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碩士<br>國立成功大學<br>材料科學及工程學系<br>89<br>Antinomy doped tin oxide (ATO) films have been extensively used in electronic and opto-electronic applications because of their high carrier concentration, low electrical resistivity and high transmission in the visible range. In this study, ATO films were deposited on corning glass 1737F by RF magnetron reactive sputtering with different oxygen partial pressures. The effects of annealing temperature and atmosphere on the composition, microstructure, surface morphology, conductivity and optical properties of ATO films were investigated. The results

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Chang, I.-Cheng, та 張以澄. "Studies on Microstructure of Annealing Twin and Deformation Twin in α-brass". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/42264836588559211385.

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碩士<br>國立臺灣大學<br>材料科學與工程學研究所<br>100<br>The term of twin in materials represents two crystals with a mirror symmetry relationship. In this thesis, two types of twins will be discussed: one is the annealing twin, and the other is the deformation twin. The formation of annealing twin, as a result of annealing treatment, can be traced back to growth accidents or stacking faults during recrystallization. The deformation twin, on the other hand, is the accommodation to the deformation in matrix owing to the energy minimums. Additionally, some previous studies show that not only in BCC materials but a

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Chen, Y. H., and 陳雅琳. "Effect of Annealing on the Microstructure and Properties of Al2O3/Cu/Al2O3 Multilayers." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/51553785563453823399.

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碩士<br>國立中興大學<br>材料工程學研究所<br>93<br>This research focuses on the interfacial reactions between aluminum oxide and copper thin films in the Al2O3/Cu/Al2O3 multilayers under different atmospheres. Firstly, the Al2O3/Cu/Al2O3 multilayers were prepared by a dual ion beam deposition technique on Si wafer. Subsequently, the multilayers were annealed at 600~1000℃ for 4 hours under vacuum and argon atmospheres. The microstructural change and morphology of the multilayers after annealing under vacuum and argon atmospheres were analyzed by X-ray diffraction (XRD), field emission scanning electron microscr

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Tzung-LunLo and 羅宗倫. "Nanoindentation Behaviour and Microstructure of ZnO/GaAs Thin Film with and without Annealing." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/nv6mm6.

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