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Dissertations / Theses on the topic 'Heat treatment method'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Gibson, Myles. "The Heat Treatment of Nickel Titanium - An investigation Using Taguchi's Method of Optimisation." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-28769.

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2

Sarikaya, Onur Turgay. "Analysis Of Heat Treatment Effect On Springback In V-bending." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610182/index.pdf.

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Aluminum based alloys have wide area of usage in automotive and defense industry and bending processes are frequently applied during production. One of the most important design criteria of bending processes is springback, which can be basically defined as elastic recovery of the part during unloading. To overcome this problem, heat treatment is generally applied to the workpiece material to refine tensile properties. In this study, the effect of heat treatment on springback characteristics of aluminum studied both numerically by using finite element analysis and experimentally. For this purp

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3

Chaieb, A., N. Bourbia, R. Bacha, S. Boukrouh, and A. Chari. "CuO Elaboration and Studies of the Influence of Heat Treatment on the Structural Properties." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42637.

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In the present work we synthesize nano powders of CuO by precipitation method, using CuCl2 as precursor. The obtained powder has undergone a heat treatment annealing 100°C, and 450°C. Structural analysis by X-Ray diffraction, Fourier transform infrared (FTIR) microscopy and scanning electron microscopy (SEM) reveal that CuO nano particles are in nano graphs forms and with improved crystallization at 450°C, annealing temperature as monoclinic crystal lattice structure. The radius of NCs calculated by the Scherrer formula is 12.31 nm.

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4

Warke, Virendra S. "Predicting the response of powder metallurgy steel components to heat treatment." Worcester, Mass. : Worcester Polytechnic Institute, 2008. http://www.wpi.edu/Pubs/ETD/Available/etd-072808-100705/.

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5

Kuniyoshi, Minoru. "Studies on phenyl-modified polysiloxane low-melting glass : preparation through sol concentration method and rapid heat treatment." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/136322.

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6

Black, Shona D. "A method of measuring the thermal diffusivity of poor conductors and its application to the heat treatment of potatoes." Thesis, University of Aberdeen, 1991. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU548102.

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An apparatus and technique based on Angstrom's method is developed for measuring the thermal diffusivity of fruits and vegetables. The reproducibility of the results is found to be satisfactory with typical standard deviations of less than 6&'37. A detailed error analysis reveals that the accuracy of the technique is 7.1&'37. However, on checking the system with materials of known thermal diffusivities there was found to be a systematic error of the order of a factor of 2. A number of possible reasons for this are discussed. A method is outlined for predicting the optimum heat treatment parame

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7

Schoonwinkel, Susanna. "Factors affecting mothers' choice of infant feeding method / S. Schoonwinkel." Thesis, North-West University, 2008. http://hdl.handle.net/10394/4516.

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The benefits of breastfeeding are well known. It has been shown that HIV is transmitted through breast milk. The HIV epidemic is threatening exclusive breastfeeding in South Africa. It is important that mothers make the right infant feeding choice. There are three basic infant feeding methods available for HIV infected mothers namely; breastfeeding, replacement feeding or formula feeding and heat treatment of breast milk. There are many risk factors for the transmission of HIV through breast milk. Exclusive breastfeeding may reduce the risk of mother-to-child-transmission, compared with mixed

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8

Claesson, Erik. "Development of a heat treatment method to form a duplex microstructure of lower bainite and martensite in AISI 4140 stee." Thesis, KTH, Materialvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-165084.

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Research on bainite and martensite structures has indicated that lower bainite needles have a refining effect on the lath martensitic structure. Lower bainte needles partitions prior austenite grains and will consequently have a refining effect on the subsequent formed lath martensite. Smaller austenite grains will result in smaller lath martensitic packets and blocks and will result in enhanced mechanical properties. In order to create a variation of lower bainte structure in a matrix of martensite, two different heat treating methods were tested. The work was focused towards the formation

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9

Enerstam, Max. "Färgförändring av trä." Thesis, Mittuniversitetet, Avdelningen för design, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-31887.

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Denna uppsats beskriver sökandet efter en metod för att genomfärga trä utan att tillföra pigment. Ett test av fördjupad ammoniakrökning beskrivs i uppsatsen. Ammoniakrökning är en förenklad variation av kembetsning där virke med höga halter garvsyra utsätts för ammoniakånga. Detta gör virkets kulör betydligt mörkare. I detta test värms virket innan ammoniakångan tillförs för att se om det är möjligt med en mer djupgående kulörförändring. Två olika metoder för att hetta upp trävirke kommer att beskrivas, eftersom en ändrad kulör är en av de egenskapsförändringar som följer dessa metoder besluta

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10

Bäckström, Louise. "In Situ Heating During XRD Measurements as a Method to Study Recrystallisation of Aluminium Alloy AA3003." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150092.

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Recrystallisation is an important topic in the metal industry since the process may drastically alter the properties of the materials subjected to it. By controlling the recrystallisation process, the material properties can be adjusted as desired, which could lead to stronger materials and hence lighter constructions, decreasing our material consumption. This is currently regulated using softening curves complied from tensile tests, a method which does not show the degree of recrystallisation of a metal. This thesis work therefore explores the possibility to characterise the recrystallisation

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11

Vaněk, Mojmír. "Vývoj modelů chování Al slitin pro aplikace v numerických simulacích svařování a tepelného zpracování." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-364598.

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The thesis deals with methodology for computational approaches for numerical simulations of welding and heat treatment of aluminium alloys. The thesis describes improvement of the current methodology for metallurgical part of the numerical analysis of welding, which is important mainly for prediction of dimensions of the heat affected zone (and deformations). The improvement was carried out based on CHD diagram that describes precipitation and dissolution of phases during continuous heating. The thesis also describes carried material measurements (measurement of chemical composition, dilatomet

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12

Nakamura, Masamichi, and Kazuhiro Yamamoto. "Simulation of heat conduction and soot combustion in diesel particulate filter." Inderscience publishers, 2012. http://hdl.handle.net/2237/20055.

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13

Quan, Liang. "Using FDM and FEM to simulate the decarburization in AISI 1074 during heat processing and its impact." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/44769.

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The metallurgical processes and the products developed from these processes have been the cornerstone on which our civilizations have developed and flourished. Many of the new materials that have been developed over centuries were often the result of serendipitous occurrences. Because of the importance of new materials to the improvement of society, it is necessary to accelerate the way in which new alloys and processes are designed, developed and implemented. Over the last two decades the computational side of materials science has thrived as a result of bigger and faster computers. Howe

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14

Kifune, Koichi, Miho Fujita, Mitsuru Sano, Motoharu Saitoh, and Koh Takahashi. "Electrochemical and Structural Properties of a 4.7 V-Class LiNi0.5Mn1.5 O 4 Positive Electrode Material Prepared with a Self-Reaction Method." The Electrochemical Society, 2004. http://hdl.handle.net/2237/18424.

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15

Zelníčková, Marta. "Optimalizace tepelného zpracování odlitků litých metodou SEED." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241663.

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ZELNÍČKOVÁ Marta: Optimizing of heat treatment of casting produced by SEED method. This work deals with designing optimum heat treatment method for casting alloy AlSi7Mg0,3, cast by SEED. Different temperature and times are tested in regimes of heat treatment, mechanical properties are determined with dependence of on the heat treatment method and optimal temperature regime is determined from the detected values.

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Martins, Júnior José Roberto Severino [UNESP]. "Efeito de oxigênio na biocompatibilidade e propriedades da liga Ti-15Mo." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/99715.

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Made available in DSpace on 2014-06-11T19:30:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-09-23Bitstream added on 2014-06-13T19:18:57Z : No. of bitstreams: 1 martinsjunior_jrs_me_bauru.pdf: 3438842 bytes, checksum: c98511273a55e7af07b24dd5b19c844f (MD5)<br>Desde 1970, o titânio e algumas de suas ligas são vastamente usados na fabrição de próteses e dispositivos especiais nas áreas médica e odontológica devido às suas propriedades como baixos valores de módulo de elasticidade (Módulo de Young), resistência à corrosão e características de biocompatibilidade. A presença de elemento

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Martins, Júnior José Roberto Severino. "Efeito de oxigênio na biocompatibilidade e propriedades da liga Ti-15Mo /." Bauru : [s.n.], 2010. http://hdl.handle.net/11449/99715.

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Orientador: Carlos Roberto Grandini<br>Banca: Marize Varella de Oliveira<br>Banca: Nilson Tadeu Camarinho de Oliveira<br>O Programa de Pós-Graduação em Ciência e Tecnologia de Materiais, PosMat, tem caráter institucional e integra as atividades de pesquisa em materiais de diversos campi da Unesp<br>Resumo: Desde 1970, o titânio e algumas de suas ligas são vastamente usados na fabrição de próteses e dispositivos especiais nas áreas médica e odontológica devido às suas propriedades como baixos valores de módulo de elasticidade (Módulo de Young), resistência à corrosão e características de biocom

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18

Hashim, Hanizah Aman. "The reproducibility of Johnston's cephalometric superimposition method in analyzing activator treatment changes." Thesis, The University of Sydney, 1990. http://hdl.handle.net/2123/4932.

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19

Forsberg, Gustaf. "Control of cereal seed-borne diseases by hot humid air seed treatment /." Uppsala : Dept. of Plant Pathology and Biocontrol Unit, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/a443.pdf.

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20

Blount, Thomas Richard. "Evaluation of Methods to Control Mold on Hardwood Pallets." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23231.

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The objectives of this project were:<br />1.ï¿½ï¿½ï¿½ï¿½To compare the drying cost and drying time for oak and poplar pallets for the following mold mitigation strategies for hardwood pallets: air drying, forced air drying (fan shed), kiln drying to 25% moisture content and chemical treatment, and<br />2.ï¿½ï¿½ï¿½ï¿½Develop and evaluate a procedure for preventing and controlling mold growth on heat treated hardwood pallets<br />Twenty red oak pallets and twenty yellow-poplar pallets were tested for each drying method to compare costs and to determine drying times. ï¿½Additional pallets were ob

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21

Hnízdil, Milan. "Vývoj metod in-line tepelného zpracování." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-234019.

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In-line heat treatment is a part of technological process uses a phase and structure changes to obtain required mechanical properties. Heat treatment of rolled products offers a reduction of steel making costs and a creation of new steel products. For example the TRIP steel is a part of modern steels which is used in the automobile industry for higher safety of passengers. The heat treatment is often described in the literature. But the authors are often focused on the method how to get the required structure and mechanical properties for different metallic materials. Nevertheless just few art

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22

Fornwalt, Brandon Kenneth. "New methods for quantifying the synchrony of contraction and relaxation in the heart." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24800.

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Thesis (Ph.D.)--Biomedical Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Oshinski, John N.; Committee Member: Fyfe, Derek A.; Committee Member: León, Angel R.; Committee Member: Skrinjar, Oskar; Committee Member: Taylor, W. Robert.

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23

Nygren, Babol Linnéa. "Folate binding protein in bovine milk : occurrence and properties studied with surface plasmon resonance /." Uppsala : Dept. of Food Science, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/2007102.pdf.

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24

Suever, Jonathan D. "MRI methods for predicting response to cardiac resynchronization therapy." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50224.

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Cardiac Resynchronization Therapy (CRT) is a treatment option for heart failure patients with ventricular dyssynchrony. CRT corrects for dyssynchrony by electrically stimulating the septal and lateral walls of the left ventricle (LV), forcing synchronous con- traction and improving cardiac output. Current selection criteria for CRT rely upon the QRS duration, measured from a surface electrocardiogram, as a marker of electrical dyssynchrony. Unfortunately, 30-40% of patients undergoing CRT fail to benefit from the treatment. A multitude of studies have shown that presence of mechanical dyssynch

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25

Čibiras, Sigitas Vladas. "Methods of interventional pediatric cardiology in treatment of congenital heart diseases: immediate and long-term results." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100204_100248-32962.

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Objective - to assess possibilities and specific characteristics of pediatric cardiology in treatment of congenital heart diseases (CHD), to evaluate efficacy of curative per-catheter procedures by means of analysis of immediate and long-term results. Retrospective study. The data of 422 patients who underwent 467 CHD palliative-curative procedures during the period since 1971 till 2007 were analyzed. It was postulated that balloon atrial septostomy resulted in statistically significant increase of atrial septal defect, increase of arterial blood oxygen saturation and decrease of interatrial p

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26

Itta, Francesca. "Biomechanical modeling of parotid glands morphing in head & neck radiation therapy treatments." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11221/.

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Durante i trattamenti radioterapici dei pazienti oncologici testa-collo, le ghiandole parotidee (PGs) possono essere indebitamente irradiate a seguito di modificazioni volumetriche-spaziali inter/intra-frazione causate da fattori quali il dimagrimento, l’esposizione a radiazioni ionizzanti ed il morphing anatomico degli organi coinvolti nelle aree d’irraggiamento. Il presente lavoro svolto presso la struttura di Fisica Medica e di Radioterapia Oncologica dell’A.O.U di Modena, quale parte del progetto di ricerca del Ministero della Salute (MoH2010, GR-2010-2318757) “ Dose warping methods for IG

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27

Béjar, Luis Miguel. "CORROSION-FATIGUE TESTING ON STEEL GRADES WITH DIFFERENT HEAT AND SURFACE TREATMENTS USED IN ROCK-DRILLING APPLICATIONS." Thesis, KTH, Materialvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-194524.

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Corrosion fatigue is a common failure mechanism in rock drilling components and many othermechanical parts subjected to cyclic loads in corrosive environments. A crucial part in the design ofsuch components resides in the selection of the right materials for the application, which ideallyinvolves testing and comparison of their performance under working conditions. The present work was performed with the purpose of designing a corrosion-fatigue testing methodthat would allow the designer to compare the performance of different materials exposed to corrosionfatigue, permitting also the comparis

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28

Brijwani, Monika. "Effect of sanitation on responses of Tribolium castaneum (herbst) (Coleoptera: tenebrionidae) life stages to structural heat treatments." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/8439.

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Master of Science<br>Department of Grain Science and Industry<br>Subramanyam Bhadriraju<br>Heat treatment involves raising the ambient temperature of food-processing facilities such as flour mills to 50-60oC for killing stored-product insects. However, very little is known about the influence of sanitation on responses of stored-product insects to structural heat treatments. The impact of sanitation on responses of life stages of the red flour beetle, Tribolium castaneum, an economically important pest in flour mills, were investigated during three 24 h structural heat treatments of the Kansas

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29

Gautier-Luneau, Isabelle. "Syntheses et etudes structurales de materiaux prepares par voie sol-gel : batio::(3), polysiloxane dope au titane." Toulouse 3, 1988. http://www.theses.fr/1988TOU30037.

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30

Gougeon, Gilles. "Etude par analyse automatique d'images de la forme de la texture d'alliages al-si." Caen, 1988. http://www.theses.fr/1988CAEN2001.

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Analyse de l'evolution de la macrostruture et de la microstruture des alliages de fonderie aluminium-silicium as7g en fonction de la composition, des conditions de solidification et des traitements thermiques. L'etude de la macrostruture s'est faite a partir de la reconstruction des zones eutectiques en utilisant des transformations morphologiques et en respectant les conditions de la connaissance locale simple. Quantification de la macrostructure a partir des analyses granulometriques et stereologiques. L'analyse de la microstructure est realisee a partir d'une etude globale de la forme des p

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31

Muhareb, Jeannette S. "A comparison to methyl bromide with two alternatives treatments; sulfuryl fluoride and heat to control stored products insects." Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/4201.

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Master of Agribusiness<br>Department of Agricultural Economics<br>Subramanyam Bhadriraju<br>Environmental concerns are growing as new information is being discovered as to what is harmful to the environment. The desire to help the environment along with improving fumigations is a big concern and effects many people. Ongoing research to improve fumigations without harming the environment has shown great promise in advancing technology and lowering the cost in protecting commodities consumed by the consumer. Methyl Bromide (MB) has been the major fumigant used to control stored-product inse

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32

Doste, Beltrán Rubén. "Computational models of the heart for planning and treatment of outflow tract ventricular arrhythmias." Doctoral thesis, Universitat Pompeu Fabra, 2019. http://hdl.handle.net/10803/668034.

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The purpose of this thesis was to develop personalised cardiovascular therapy guided by multimodal noninvasive imaging and simulations, combined with artificial intelligence tools, for the management of the outflow tract ventricular arrhythmias. The main contributions of this thesis are twofold: -We propose a pipeline to build heart computational models for simulation of ventricular tachycardia that incorporates a new specific rule-base method for fiber generation, including the ventricular outflow tracts. The pipeline allows carrying out multiscale simulations, obtaining the patient ECG

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Bedredinova, V. O. "Absorbable stents for the treatment of vascular thrombosis." Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/62808.

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Diseases of the heart and blood vessels - one of the leading causes of death and disability among the population all over the world. According to the World Health organization, cardiovascular disease is causes death of 16.7 million people per year. In Ukraine, during the last 15 years there has been increase in mortality in this pathology. In general the structure of mortality in Ukraine, cardiovascular diseases account for more than half. New technologies such as endovascular procedures and coronary artery shunting are becoming widely applied in Ukraine. The introduction of the new methods o

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34

Morere, Bruce. "Recristallisation d'un alliage d'aluminium 7010 après déformation à chaud : influence sur la ténacité." Grenoble INPG, 1999. http://www.theses.fr/1999INPG4202.

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Cette these examine l'influence de differents parametres sur la recristallisation dans l'alliage d'aluminium 7010, et les consequences sur la tenacite. La premiere partie de l'etude s'interesse a certains parametres susceptibles d'avoir un effet sur la recristallisation. Deux types de parametres sont examines : les conditions de laminage a chaud (vitesse, temperature, conditions de refroidissement) et de mise en solution (vitesse de chauffe) d'une part, et les particules de seconde phase (dispersoides al#3zr, phase s) d'autre part. Des essais de compression plane a chaud en laboratoire sont ut

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Mannan, Haider Rashid. "Development and use of a Monte Carlo-Markov cycle tree model for coronary heart disease incidence-mortality and health service usage with explicit recognition of coronary artery revascularization procedures (CARPs)." University of Western Australia. School of Population Health, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0101.

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[Truncated abstract] The main objective of this study was to develop and validate a demographic/epidemiologic Markov model for population modelling/forecasting of CARPs as well as CHD deaths and incidence in Western Australia using population, linked hospital morbidity and mortality data for WA over the period 1980 to 2000. A key feature of the model was the ability to count events as individuals moved from one state to another and an important aspect of model development and implementation was the method for estimation of model transition probabilities from available population data. The mode

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Xiang, Ziyin. "Enhancing low-frequency induction heating effect of ferromagnetic composites : Toward medical applications." Thesis, Lyon, 2021. http://www.theses.fr/2021LYSEI022.

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Les composites ferromagnétiques, matrices polymères renforcées de particules ferromagnétiques présentent un potentiel intéressant dans de nombreuses applications médicales. Dans cette thèse, nous nous concentrons particulièrement autour du Chauffage par Induction Basse Fréquence (CIBF) de cathéters ferromagnétiques, une méthode alternative pour l'ablation des varices. L'effet CIBF apparaît dès lors que le composite est exposé à un champ magnétique alternatif. Ce phénomène est principalement dû aux courants de Foucault dits "microscopiques" générés par les mouvements des parois des domaines mag

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ye, guang wei, and 葉洸瑋. "A Simple Method for the Characterization of Thin Films During Heat Treatment." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/40739331992319052064.

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碩士<br>國立中興大學<br>精密工程研究所<br>90<br>In this paper, we propose a simple method to characterize thin film during heat treatment with a compact structure as a specimen. By detecting the variation of displacements of the structure, thereby, various kinds of information, such as thermomechanical properties, stress relieving, or microstructure variations of thin films during heat treatment, can be characterized from the record of the displacements of the structure. The measurement of displacements can be done directly under an optical microscope with the specimen placed in a heating stage. Based on thi

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Sun, Yan-Shou, and 孫彥碩. "A Simple Method of Prediction of Surface Temperature And Surface Heat Flux in Laser Surface Heat Treatment Process." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/25139255058631408174.

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碩士<br>國立成功大學<br>機械工程研究所<br>83<br>Numerical inverse problem analysis and experimental measurement were provided to deal with the laser surface heat treatment of AISI 1045 carbon steel in this article . By the way we can realized that the different kinds of surface coatings make influence of surface temperature and surface absorptivity during the laser heat treatment process. Futher more, we can determine the power density and scanning speed for different kinds of surface coating to control the quality of laser

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Zhan, Yuan-Ji, and 詹元吉. "Application of Taguchi Method to Optimization of Heat Treatment Process Parameters for Profiled Steels." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/zdw233.

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碩士<br>國立雲林科技大學<br>工業工程與管理系<br>107<br>The high-frequency induction heat treatment process, the parameters of the frequency, power, temperature, time, size and other parameters of the workpiece after induction heat treatment are judged by experience. Without standardization adjustment specification reference, the quality of the workpiece is uncontrollable after each heat treatment. In this study, the heat treatment parameters were optimized using the Taguchi method. The material JIS55, the profiled shape (diameter 20 * 20mm) profiled steel, is optimized for the machining

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Yu, Chou Keng, and 周耿裕. "Fabrication and Characterization of ZnO Thin Films with Sol-gel Method and Infrared Heat Treatment." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/07994086554860492139.

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碩士<br>南台科技大學<br>奈米科技研究所<br>96<br>In this study, the sol-gel method was used to develop a manufacturing procedure for growing large area AZO (ZnO:Al) thin films with low cost and suitable for mass production. We investigated the influences of manufacturing parameters on the resistance and transmittance on the AZO thin films as well as tried to identify the key factors of these influences. Furthermore, we established a model of film growth mechanism and conducting mechanism. These can serve as the basis for further development of techniques to control the properties of thin films. In our experim

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Jane, Ton-fon, and 詹東峰. "The Study on the Temperature Distribution of the Heat Treatment Furnaces by Finite Element Method." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/535tap.

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碩士<br>國立虎尾科技大學<br>機械與機電工程研究所在職專班<br>102<br>The study of this thesis is based on the increasing quality required of the parts applied in the automotive industry. So far, heat treatment furnace temperature required is the most important parameter before the quenching process to satisfy the demanded temperature range. Therefore, the temperature and time of processing in heat treatment furnace needed to be controlled, not just consider the final mechanical characteristics of the products. Thus, learn to measure and control the temperature in the furnace is an important task. In this thesis,the

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Chen, Shih-Yen, and 陳仕諺. "Study on Improving the Fatigue life and Stability of Tool Steel by Heat Treatment and Taguchi Method." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/58755905480053177396.

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碩士<br>國立高雄應用科技大學<br>機械與精密工程研究所<br>101<br>In order to investigate the fatigue life and stability of the steel in this study, we used heat treatment and Taguchi method to improve the fatigue life of the steel and to obtain higher stability that are cooperated with manufacturer to achieve the final purpose of applying in the process. At first, the steel materials were heat treated and Taguchi method was used to obtain the optimal parameter and the impact factor with higher contribution. Then we did the reproducible experiment, including fatigue life experiment, maximum torque experiment, hardness

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Chen, Yong-Chuan, and 陳勇全. "Improvement in the Screw Mechanical Properties of the Heat Treatment with Taguchi Method and Grey Relational Analysis." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/91632627385756878024.

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碩士<br>義守大學<br>工業管理學系<br>102<br>In Taiwan, we own unique advantages with standard product in the market, because of this competitive environment, to promote Taiwan''s domestic operating environment have been gradually began to become increasingly difficult. Consequently Taiwan''s domestic industries have begun to actively transition toward integration, and so the direction of development in order to gain a meager profits and competitiveness. Therefore, this study is to investigate the Drywall screws from L Company. To analysis the empirical research, regarding with its heat treatment process as

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Wang, Chung-Shu, and 王仲澍. "Investigation of the Depth of Hardening of Aerospace Parts after Induction Heat Treatment by using Eddy Current Inspection Method." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/31626514469152610692.

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碩士<br>淡江大學<br>航空太空工程學系<br>88<br>This research is concerned with the experimental investigations of the depth of hardening of aerospace parts after medium and high frequency induction hardening or carburizing by using non-destructive methods. The rod-shaped steel have been widely used in aerospace industry; e.g., turbine's transmission shaft and leading edge flap actuator . For the steel rod which have the mentioned purposes, their outer surfaces have to keep certain strength or hardiness but at the same time their cores have to keep soft for maintaining the ductility. The main heat treat

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Tsai, Chih-Chiang, and 蔡志強. "Investigation of the Depth of Hardening of Aerospace Parts after Induction Heat Treatment or Carburizing by using Non-destructive Method." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/79176214988570550292.

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碩士<br>淡江大學<br>航空太空工程學系<br>86<br>This research is concerned with the experimental investigationsof the depth of hardening of aerospace parts after medium and high frequency induction hardening or carburizing by using non-destructive methods. The rod-shaped steel have been widely used in aerospace industry; e.g. turbine's transmission shaft and leading edge flap actuator . For the steel rod which have the mentioned purposes, their outer surfaces have to keep certainstrength or hardiness but a

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Apoorva, *. "Microstructure Evolution In Semisolid Processing." Thesis, 2011. https://etd.iisc.ac.in/handle/2005/2382.

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In this thesis, we present an experimental and numerical study of globularization during reheating of thixocast billet having non-dendritic microstructure. The process of reheating is an important step in the semisolid processing and is essential to control its microstructure and hence its mechanical properties. Material chosen for this study is Aluminum alloy, A356. The primary focus of this study is the heat treatment below eutectic temperature i.e. transformation in solid phase. It is found that during short duration heat treatment, globularization of primary α grains and spheroidization of

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Apoorva, *. "Microstructure Evolution In Semisolid Processing." Thesis, 2011. http://etd.iisc.ernet.in/handle/2005/2382.

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In this thesis, we present an experimental and numerical study of globularization during reheating of thixocast billet having non-dendritic microstructure. The process of reheating is an important step in the semisolid processing and is essential to control its microstructure and hence its mechanical properties. Material chosen for this study is Aluminum alloy, A356. The primary focus of this study is the heat treatment below eutectic temperature i.e. transformation in solid phase. It is found that during short duration heat treatment, globularization of primary α grains and spheroidization of

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Lakay, Lorinda. "Investigation of carburisation methods for improved internal gear performance." Thesis, 2016. http://hdl.handle.net/10539/22327.

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A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Masters of Science in Engineering. University of the Witwatersrand, Johannesburg, 2016<br>With the current tough economic times and depressed commodity prices, focus is being placed on achieving higher power densities in gears without increased cost or reduced achievable life and reliability. An investigation into the use of different carburisation methods and processes to minimise post heat treatment di

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Ting-HuaHuang and 黃鼎驊. "Effect of Various Annealing Methods Before Heat Treatment on The Microstructure of Quenched Martensite." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/34150001098553072660.

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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>100<br>This study aims to explore, in front heat treatment of the metal part and parts and products stress annealing, effects on mechanical properties after heat treatment. Experimental observation in martensite when changes in the patterns of martensite, replacing the mechanical property testing, try understanding without annealing and unannealed, in flax fields in the heat treatment of martensite difference. This analysis before and after heat treatment effects of annealing and quenching effects of martensite. This experimental for selection SAE1080 steel wir

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wang, Wan-Yu, and 王婉榆. "Effects of different extractions and heat treatment methods on antioxidant ability of lotus plumule." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/29478702507522928420.

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碩士<br>台南女子技術學院<br>生活應用科學研究所<br>95<br>This study takes lotus plumule as materials to get extracts through different extraction methods including, 95% ethanol, cold water and hot water extractions. The lotus plumule materials are fresh and treated by freeze-drying and sun-dried methods. These extracts undergo the analysis of antioxidant ability including the contents of total phenolic compounds and flavonoids, and also the antioxidant ability of scavenging effects on ABTS (2,2'-azinobis-〔3-ethylben-zothiazo-line-6-sulfonic acid〕)and DPPH(α,α-diphenyl-β-picrylhydrazyl). In addition,this study inv

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