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Dissertations / Theses on the topic 'Mechanical properties of cast iron'

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Published: 5 June 2025

Last updated: 15 July 2025

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1

Diószegi, Attila. "On microstructure formation and mechanical properties in grey cast iron /." Jönköping, 2004. http://www.bibl.liu.se/liupubl/disp/disp2004/tek871s.pdf.

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2

Boutorabi, S. M. A. "The austempering kinetics, microstructure and mechanical properties of spheroidal graphite unalloyed aluminium cast iron." Thesis, University of Birmingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520795.

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The effect of austempering processing variables on the transformation kinetics, microstructure and mechanical properties of the Fe-C-AI family of spheroidal graphite cast irons, in which the silicon is below 0.2wt% has been investigated. These alloys are described as SO Al cast irons. In the preliminary experiments the spheroidisation and inoculation treatments for SO Al were developed and the microstructure and tensile properties in the as cast and normalised SO Al cast iron at 2.2 and 3.2% of Al examined. The results show that the sequence of spheroidisation of SO Al iron differs significant

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3

Yao, Yingshan. "The influence of niobium content and cooling rate on mechanical properties of grey cast iron." Thesis, KTH, Materialvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-244999.

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This project mainly investigated how the niobium(Nb) content influences the microstructure and mechanical properties of grey cast iron. Considering the mechanism, the study also analyzes the relationship between microstructure and mechanical properties. Generally, the work is based on 127 test bars/samples from two cylinder heads and three batches of plates, which were studied by measuring tensile strength, microhardness, graphite size, carbide amount and chemistry. The result data has been evaluated with statistical methods. The experiments mainly included the preparation of the samples for t

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4

Sofia, Wännman. "Influence of Nitrocarburization on Thermo-Mechanical Fatigue Properties : Material Characterization of Ductile Cast Iron for Exhaust Components." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-69160.

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The large number of vehicles operating on the roads cause high emissions and consequently a negative effect on the environment. When developing and optimizing internal combustion engines, certain requirements must be considered, which are environmental regulations, reduced fuel consumption and increased specific power. In order to meet these demands, an increase of the engine combustion pressure will occur usually accompanied with a temperature increase. During start-up and shut-down of an engine, it is subjected to cyclic thermo-mechanical fatigue (TMF) loads. The turbo manifold and exhaust m

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5

Larsson, Karl. "Influence of nitrocarburization on the thermomechanical fatigue properties of ductile iron for exhaust components : Analysis and comparisons of TMF-properties." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-72033.

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New stricter environmental legislation requires lower emissions and fuel consumption of automotive engines. Therefore the fuel efficiency must be increased but this leads to higher loads in the engine. As for the exhaust system it is affected by higher thermomechanical loads. Until today the turbo manifold has been nitrocarburized in order to increase the wear resistance in slip joints with other exhaust components. The problem is that there is no knowledge of how the nitrocarburizing affects the thermomechanical properties of the material. The purpose of this thesis work is to examine the dif

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6

Ozcan, Alper. "The Effect Of Sn Content And Isothermal Transformation Temperature On The Mechanical Properties Of Austempered Ductile Cast Iron." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1055359/index.pdf.

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In this study the effects of Sn content and isothermal transformation temperature on the ultimate tensile strength (UTS), elongation and hardness of austempered ductile cast iron (ADI) was investigated. To determine the possible effect of Sn on these properties the Sn content of standard GGG30, GGG40 and GGG50 materials were taken as reference, whose chemical compositions vary from 0,016 to 0,050% in terms of Sn. However the Sn content was increased to a maximum of 0,26% for investigating the effect of Sn on mechanical properties. The test specimens were obtained from standard 1-in Y-blocks an

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7

Maraveas, Chrysanthos. "Fire resistance of metal framed historical structures." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/fire-resistance-of-metal-framed-historical-structures(390efc49-7228-4ad1-a164-356213df96fb).html.

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This thesis focuses on fire resistance of 19th century cast iron framed structures. Based on material property data obtained from a comprehensive literature review, upper and lower bound relationships of the thermal and mechanical properties of 19th century fireproof floor construction materials have been derived. Because these materials have large variability, a sensitivity analysis has been undertaken to investigate the most effective ways of representing such variability. The sensitivity analysis has indicated that the elevated mechanical properties of cast iron should be reliably quantifie

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8

COLOSIO, MARCO A. "Efeito da nitretação na tenacidade de ferros fundidos nodulares bainíticos e martensíticos." reponame:Repositório Institucional do IPEN, 1998. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11586.

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Made available in DSpace on 2014-10-09T12:53:35Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:58:29Z (GMT). No. of bitstreams: 1 12220.pdf: 3040591 bytes, checksum: cf07d18c47b6b9bc7f1a361b3a6fe286 (MD5)<br>Dissertação (Mestrado)<br>IPEN/D<br>Universidade Mackenzie. Departamento de Engenharia de Materiais, São Paulo

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9

König, Mathias. "Microstructure Formation During Solidification and Solid State Transformation in Compacted Graphite Iron." Doctoral thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Material och tillverkning – Gjutning, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-15694.

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Compacted graphite iron (CGI) is rapidly becoming an attractive alternative material for engine components in the automotive industry, replacing lamellar graphite iron (LGI) in applications where high mechanical strength is desired. However, the gain in mechanical strength comes with a cost; thermal conductivity, process control and machining are three areas that are more challenging for CGI. This generates a need for research regarding various aspects concerning CGI. In this thesis the microstructure formation during solidification and solid state transformation will be the focus of interest.

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10

Liu, Qiang. "Control of Wear-Resistance Properties in Ti-added Hypereutectic High Chromium Cast Iron." Licentiate thesis, KTH, Tillämpad processmetallurgi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105854.

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High chromium cast iron (HCCI) is considered as one of the most useful wear resistance materials and their usage are widely spread in industry. The wear resistance and mechanical properties of HCCI mainly depend on type, size, number, morphology of hard carbides and the matrix structure (γ or α). The Hypereutectic HCCI with large volume fractions of hard carbides is preferred to apply in wear applications. However, the coarser and larger primary M7C3 carbides will be precipitated during the solidification of the hypereutectic alloy and these will have a negative influence on the wear resistanc

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11

Cox, G. J. "The effect of composition and heat-treatment on the mechanical properties and micro structure of spheroidal-graphite cast iron." Thesis, Aston University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484343.

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12

Liu, Qiang. "Microstructure Evaluation and Wear-Resistant Properties of Ti-alloyed Hypereutectic High Chromium Cast Iron." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-128532.

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High chromium cast iron (HCCI) is considered as one of the most useful wear resistance materials and their usage are widely spread in industry. The mechanical properties of HCCI mainly depend on type, size, number, morphology of hard carbides and the matrix structure (γ or α). The hypereutectic HCCI with large volume fractions of hard carbides is preferred to apply in wear applications. However, the coarser and larger primary M7C3 carbides will be precipitated during the solidification of the hypereutectic alloy and these will have a negative influence on the wear resistance. In this thesis, t

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13

Ghasemi, Rohollah. "The influence of microstructure on mechanical and tribological properties of lamellar and compacted irons in engine applications." Doctoral thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Material och tillverkning, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-32052.

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Lamellar graphite iron (LGI) is commonly used in diesel engine applications such as piston rings–cylinder liner where an excellent combination of physical and tribological properties is essential to avoid scuffing and bore polishing issues. The excellent tribological behaviour of LGI alloys is related to the graphite lamellas, which act as solid lubricant agents by feeding onto the tribosurfaces under sliding conditions. However, increasingly tighter emissions and fuel economy legislations and the higher demands on enhanced power and durability have encouraged both engine designers and manufac

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14

Fager, Fredrick, and Serg Chanouian. "Nuclear Waste Canister : Evaluating the mechanical properties of cassette steel after casting." Thesis, KTH, Materialvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209803.

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Företaget Svensk Kärnbränslehantering AB (SKB) håller på att utveckla en slutförvaringskapsel som kommer innehålla avfall från den svenska kärnkraften. Det är dock fortfarande en process under utveckling och därför undersöks olika typer av metoder och kapselmaterial för att kunna tillverka en hållbar och säker kapsel. Kapseln består av ett hölje av kopparrör med svetsad botten och lock och en insats med stållock. Insatsen är en cylindrisk konstruktion av segjärn och innehåller en svetsad stålkassett för att skapa utrymmen till det använda kärnbränslet. Insatsen innehåller bland annat stålrör

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15

Abramova, Elizaveta. "Výroba a vlastnosti litin typu SiMo." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254424.

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While using iron castings behind temperature of 500 oC namely at cyclic heat straining, degradation of structure and breaching iron castings. For this purpose introduce cast iron with content of Si and Mo. Focusing on improvement of SiMo51 for increased high-temmperature corrosion-and fatigue life in exhaust-gas temperatures up to 800 oC. Thesis set up survey types alloys, properties, and way of casting production.

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16

Kryštůfek, Tomáš. "Odlévání tenkostěnných litinových odlitků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-445175.

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This diploma thesis is focused on production and problems in production of thin-walled ductile iron castings, especially in the inoculation process. The focus is on the influence of elements on the structure and mechanical properties of ductile iron and as well as the influence of some elements, that are commonly used in inoculation alloys. Furthermore, the factors that affect the production technology are written, i.e., solidification rate, wall thickness, cooling rate, and factors used for affecting the thin-walled castings production, i.e., the use of insulating moulding compounds and incre

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17

Ferraro, Stefano. "Influence of trace elements on secondary die-cast aluminium alloys." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423822.

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Recycling play a key role on saving of natural resources and on reducing pollution. The recycling of aluminium alloys is also cost-effective, since it reduce the material cost and creates a considerable energy-saving. The use of recycled Al alloys (usually called secondary) has improved in recent years also because of their comparable mechanical properties with primary aluminium alloys. During the production of secondary aluminium alloys, the scrap are mixed regardless of their specific chemical composition, and then master alloys or pure elements are added to the molten metal. Furthermore,

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18

Gasparin, Heloíza Döering. "Propriedades mecânicas a altas temperaturas de ferros fundidos cinzentos aplicados a cabeçotes de motor a diesel." Universidade do Estado de Santa Catarina, 2014. http://tede.udesc.br/handle/handle/1671.

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Made available in DSpace on 2016-12-08T17:19:24Z (GMT). No. of bitstreams: 1 Heloiza Doering Gasparin.pdf: 4558205 bytes, checksum: e414bcfd7c4434aa73fcdf59cdf98ff2 (MD5) Previous issue date: 2014-12-15<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This investigation study shows the effects of high temperatures and exposure time on the mechanical properties of one perlitic gray cast iron commonly applied to diesel engine cylinder heads. The effects were evaluated in samples which come from three different cast irons, FC300 class, with different percentages of molybdenum a

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19

Magalhães, Elton Franco de. "Caracterização e proposição de métodos estimativos das propriedades monotônicas e cíclicas dos ferros fundidos nodulares." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/88/88131/tde-03052012-165941/.

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Para o correto dimensionamento da maioria dos componentes estruturais é necessário informações sobre a resposta do material quando submetido à fadiga de alto e baixo ciclo, bem como conhecer as propriedades monotônicas (não-cíclicas) e cíclicas dos materiais. Na literatura são encontradas amplas divulgações de dados sobre diversos materiais de engenharia (Ex. SAE J1099 Technical Report on Fatigue Properties). Porém, quando se trata de ferro fundido nodular estas informações são limitadas, sendo assim, visa-se neste trabalho caracterizar as propriedades monotônicas e cíclicas destes materiais

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20

Wetter, Pernilla, and Martin Kulig. "Hållfasthetsegenskaper i gjutjärn : tensile properties of cast iron." Thesis, Jönköping University, JTH, Mechanical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-931.

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<p>In the last few years people have become more and more aware of how humanity is affecting the climate. In the direction of reducing the greenhouse gases is to design engines with higher tensile properties and reduced weight, in order to achieve lower fuel consumption and cleaner fuel incineration in today's truck engines.</p><p>In order to achieve these requirements it’s necessary to increase the combustion pressure in the engine. This requires higher tensile properties and high thermal conductivity of the engine material. The department of Component Technology at the University of Jönköpin

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21

Staňková, Markéta. "Hodnocení porezity u odlitků gravitačně litých z Al slitin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228043.

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Solving of this diploma thesis is evaluation porosity in sequence on mechanical properties from different Al alloys. Castings were made by gravity casting to the iron-mould or gravity casting to the sand. Measurements (mechanical properties, porosity, DAS - dendrite arm spacing, shape factors and sphericity) were statistically analysed and dependencies which were detected were processed to the graphs.

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22

Elwell, David W. J. "Toughness and abrasion resistance of high alloy cast iron." Thesis, Aston University, 1986. http://publications.aston.ac.uk/11866/.

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23

Taivalkoski, Olivia. "Evaluation of material properties after laser welding on ductile cast iron." Thesis, KTH, Materialvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254653.

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Scania wants to lower the weight of their trucks, including the goal to reduce the carbon dioxide emissions, and one way to do that is to use laser welding instead of fastenings.This bachelor thesis work is about laser welding of ductile cast iron, or spheroidal graphite cast iron or nodular cast iron, to QT-steels and case hardening steel and evaluation of the mechanical properties of the weld. Also laser welding of cast steel to the same two materials are being evaluated in this work. Tests are done to evaluate the effect on the material from laser welding. The tests are tensile tests and Vi

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24

Hanna, Ivil. "Mechanical Properties of Niobium Alloyed Gray Iron." Thesis, KTH, Fordonsdynamik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-39691.

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The influence of adding an amount of 0.1% and 0.3% niobium to the gray iron alloy used for brake discs, these disc materials are called disc 16 respective 17, have been investigated at RT (room temperature). That is together with two other alloys, the reference disc which contains 0.32% molybdenum but lacks niobium and another one with neither niobium nor molybdenum in it, this is called disc material 15. Focus in this thesis work is on the mechanical properties of the studied materials and for this purpose the low cycle fatigue (LCF) properties of the mentioned alloys are investigated. The st

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25

Seifeddine, Salem. "Characteristics of cast aluminium-silicon alloys : microstructures and mechanical properties /." Linköping : Univ, 2006. http://www.bibl.liu.se/liupubl/disp/disp2006/tek1058s.pdf.

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26

Cao, Haiping. "Characteristics of cast magnesium alloys : microstructures, defects and mechanical properties /." Jönköping : Linköping : Div. of Component Technology - Castings ; Dept. of Mechanical Engineering, Univ, 2005. http://www.bibl.liu.se/liupubl/disp/disp2005/tek955s.pdf.

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27

Kerry, S. "Microstructure and mechanical properties of high strength cast aluminium alloys." Thesis, University of Bath, 1987. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376328.

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28

Borsato, Thomas. "Metallurgical and mechanical characterization of standard and new generation cast irons." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3425399.

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The demand for ductile cast iron components, with weights ranging from a few kilograms to several tons, has increased significantly in recent years, both for technical and economic reasons. In fact, the lower cost compared to other materials, the good castability, which allows to obtain near-net shape components in as-cast conditions, and the mechanical properties that can be obtained, are just some of the motivations that attract mechanical designers. In the case of large components, the knowledge of mechanical behaviour is however limited and incomplete. What is known is that, by increasing

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29

Johnsen, John LeRoy. "An investigation of selected properties of as-cast, V-Ti-Fe alloys /." Full text open access at:, 1985. http://content.ohsu.edu/u?/etd,87.

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30

Su, Tingyu S. M. Massachusetts Institute of Technology. "Properties of off stoichiometric yttrium iron garnet." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127115.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references (pages 34-35).<br>YFO (YFeO3) target is used for deposition on GGG (Ga3Gd5O12) substrates with different directions: (001), (110) and (111) by PLD (Pulsed Laser Deposition). HRXRD characterization shows that high-quality epitaxial garnet phase is formed on GGG substrates. However, RSM results show that the off-stoichiometric YIG film on (111) GGG substrates can remain fully strained in plane with thickness from

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31

Dighe, Manish D. "Quantitative characterization of damage evolution in an Al-Si-Mg base cast alloy." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/20219.

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32

Siaminwe, Levy. "Optimisation of the mechanical properties in an investment cast aluminium alloy." Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/26147.

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The thesis reports an experimental investigation concerned with the optimisation of mechanical properties in investment cast LM25 aluminium alloy. The effects of melt hydrogen content, filter usage, grain refinement, eutectic silicon modification, heat treatment, pouring and shell preheat temperatures on the structure and tensile properties of LM25 investment cast tensile test specimens were studied. Four series of experiments were conducted to assess the effects of the parameters studied on the structure and tensile properties. The first series established the effect of melt hydrogen content,

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33

Whillock, Susan. "Microstructures and mechanical properties of milled and continuously cast lead sheet." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236128.

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The relationship between some mechanical properties (tensile, creep and thermal fatigue behaviour) and microstructure has been investigated for lead sheet containing <0.06 wt % Cu (the eutectic composition), made either by a conventional milling (rolling) process, or by continuous casting (Direct Method). Milled lead sheet exhibits a recrystallised microstructure, the grain size of which decreases with increasing copper content; copper is present as particles of ≃1-5 μm long, formed from the initial needles or plates of the cast billet by spheroidisation, or by particle break-up during rolling

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34

Yue, T. M. "The microstructure and mechanical properties of squeeze cast aluminium alloy 7010." Thesis, University of Southampton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277565.

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35

Kunene, Gordon Nhlanhla. "Mechanical properties of laser welded semi-solid metal cast A356 alloy." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/4964.

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Includes bibliographical references.<br>Includes bibliographical references (leaves 96-103).<br>The high usage of Al and its alloys in both the automotive and aerospace industries is attributed to its excellent specific strength and corrosion resistance. High demand of Al usage has led to the improvement of both the casting techniques and joining processes, in order to improve on the quality of the final product. The selection of the manufacturing process for Al and its alloys is based on the capabilities of the specified requirements for components and the alloy used. High pressure die castin

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36

Bobyliov, Konstantin. "Casting voids influence on spheroid graphite cast iron high-cycle fatigue strength." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20081128_120950-42235.

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The influence of casting voids on spheroid cast iron cracking threshold is investigated. The experimental results and their analytical and numerical analysis basing on linear fracture mechanics is presented.<br>Nagrinėjamas liejimo tuštumų poveikis stipriojo ketaus pleišėjimo slenksčiui. Pateikiami eksperimentiniai rezultatai ir jų analitinė bei skaitinė analizė, remiantis tiesine irimo mechanika.<br>Исследуется влияние литейных пустот на порог трещиностойкости чугуна с шаровидным графитом. Представлены результаты экспериментального исследования и их аналитический и численный анализ, опираясь

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37

Erchov, Serguei. "Research on the mechanical properties of the sand cast magnesium alloy AZ91." Doctoral thesis, [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963699164.

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38

Erchov, Serguei. "Research on the mechanical properties of the sand cast magnesium alloy AZ91." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola&quot, 2009. http://nbn-resolving.de/urn:nbn:de:swb:105-829742.

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In dieser Arbeit wurden die mechanischen Eigenschaften der Magnesiumsandgusslegierung AZ91 in Abhängigkeit von den Prozessparametern untersucht. Es wurde gezeigt, dass durch die Anwendung von Filtration, Kornfeinung und Wärmebehandlung das Niveau der mechanischen Eigenschaften des Sandgusses dem des Druckgusses angepasst werden kann. In dieser Arbeit wurde außerdem der Einfluss der Prozessparameter auf die Spannungsrelaxations- und Dämpfungseigenschaften untersucht.

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39

Erchov, Sergej. "Research on the Mechanical Properties of the Sand Cast Magnesium Alloy AZ91 /." [S.l. : s.n.], 2001. https://fridolin.tu-freiberg.de/archiv/html/WerkstoffwissenschaftenErchovSerguei82974.html.

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40

Roy, Siddhartha. "Metal-ceramic composites from freeze cast preforms domain structure and mechanical properties." Aachen Shaker, 2009. http://d-nb.info/997777281/04.

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41

Weißker, Uhland. "Synthesis and mechanical properties of iron-filled carbon nanotubes." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-135707.

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Carbon forms the basis of a variety of compounds. The allotropic forms of carbon include graphene, fullerenes, graphite, carbon nanotubes and diamond. All these structures possess unique physical and chemical properties. This work focusses on the usage of carbon nanotubes (CNT), especially iron-filled CNT. An industrial application of CNT requires the understanding of the growth mechanism and the control of the synthesis process parameters. Regarding iron-filled CNT the shell formation as well as the filling process has to be understood in order to control the CNT morphology and distribution

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42

Mohebbi, Hamed. "The properties of cast iron and their relevance to the condition assessment of water mains." Thesis, University of Surrey, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533199.

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43

Watson, Douglas. "Microstructure and mechanical properties of ductile die-cast Al-Mg-Si-Mn alloys." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/12874.

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Aluminium alloys have been seen a dramatic increase in transport manufacturing in past two decades. This is primarily driven by the achievement of effective weight-savings, increased vehicle fuel efficiency and reduced CO2 emissions in transport. One of the significant progresses in most recent years has been in the application of aluminium-intensive car body structure, in which the manufacturing of thin wall castings with improved ductility is one of the critical issues. High pressure die casting (HPDC) is a fast and economical near-net shape manufacturing method to produce thin wall componen

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Zamani, Mohammadreza. "Al-Si Cast Alloys - Microstructure and Mechanical Properties at Ambient and Elevated Temperature." Licentiate thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Material och tillverkning – Gjutning, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-26805.

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Aluminium alloys with Si as the major alloying element form a class of material providing the most significant part of all casting manufactured materials. These alloys have a wide range of applications in the automotive and aerospace industries due to an excellent combination of castability and mechanical properties, as well as good corrosion resistance and wear resistivity. Additions of minor alloying elements such as Cu and Mg improve the mechanical properties and make the alloy responsive to heat treatment. The aim of this work is studying the role of size and morphology of microstructural

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Ferranti, Louis Jr. "Mechanochemical Reactions and Strengthening in Epoxy-Cast Aluminum Iron-Oxide Mixtures." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19722.

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This investigation is focused on the understanding of mechanical and chemical reaction behaviors of stoichiometric mixtures of nano- and micro-scale aluminum and hematite (Fe2O3) powders dispersed in epoxy. Epoxy-cast Al+Fe2O3 thermite composites are an example of a structural energetic material that can simultaneously release energy while providing structural strength. The structural and energetic response of this material system is investigated by characterizing the mechanical behavior under high-strain rate and shock loading conditions. The mechanical response and reaction behavior are c

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Dini, Hoda. "As-cast AZ91D Magnesium Alloy Properties- Effect of Microstructure and Temperature." Licentiate thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Material och tillverkning – Gjutning, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-28467.

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Magnesium and magnesium alloys are used in a wide variety of structural applications including automotive, aerospace, hand tools and electronic industries thanks to their light weight, high specific strength, adequate corrosion resistance and good castability. Al and Zn are the primary alloying elements in commercial Mg alloys and commonly used in automotive industries. AZ91 is one of the most popular Mg alloys containing 9% Al and 1% Zn. Hence, lots of research have been done during last decades on AZ91D. However, the existing data concerning mechanical properties and microstructural features

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Erturk, Murat Tolga. "Microstructural And Mechanical Characterization Of Metal Active Gas Welded Joint Between Cast Iron And Low Carbon Steel." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612992/index.pdf.

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This study focuses on joining pearlitic ductile cast iron with low carbon steel by welding and investigation of this joint in microstructural and mechanical viewpoints. For this purpose E355 steel and GJS600-3 cast iron were joined using metal active gas (MAG) welding process by G3Si1 filler wire. The joining process is shaped mainly by the problems related to the low weldability of cast. Preheating was applied to prevent formation of cooling cracks and effects of post weld heat treatments (PWHT) were surveyed. Micro examination and micro hardness tests were applied to characterize the general

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Shama, Shaik. "Comparison of Mechanical Properties of Austenitic Ductile Cast Iron with Ferritic/Pearlitic Ductile Cast Iron." Thesis, 2017. http://ethesis.nitrkl.ac.in/8480/1/2016_PhD._SShama_613MM3016.pdf.

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Austenitic ductile iron belongs to the family of ductile iron which performs better properties than conventional ductile iron due to its soft matrix. Ductile iron (DI) has got enormous applications in different fields such as wind turbines, automotive components, spun pipe and fittings etc. As mechanical properties are primarily dependent on the matrix structure, different heat treatments are performed to the ductile iron to achieve required matrix. Alloying additions are made to stabilize the matrix structure at all the temperatures. In the present work, investigation has been conducted on me

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Bisht, Anita. "Effect of Heat Treatment Procedures on Microstructure and Mechanical Properties of Nodular Iron." Thesis, 2009. http://ethesis.nitrkl.ac.in/1501/1/motu-thesis.pdf.

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In their bid to produce cast iron latter than Malleable Iron, the scientist discovered the ductile iron or S.G. Iron (spherodial Graphite iron) way back in 1948.The use of this type of cast iron as an engineering material has been increasing day by day ever since its discovery. It is now replacing steel in many important engineering applications. The production of S.G Iron increased to a large extent during last two decades. The excellent combination of mechanical properties obtained in S.G. iron can further be informed by the heat treatment. The most recent development in this regard is

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Ranjan, Atul, and Manindra Ranjan. "Effect of Isothermal Annealing Temperature and Cooling Rate on Mechanical Properties of Ductile Iron." Thesis, 2013. http://ethesis.nitrkl.ac.in/4893/1/109MM0125.pdf.

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A block of ductile Iron of known composition was procured and samples for various testing were cut out from that block. Tensile test specimens were machined from the block according to the ASTM E8 (Flat sub-size specimen) standard. From a set of nine specimens, three were kept untreated whereas the other six specimens were annealed isothermally following different cooling rates. All the six specimens were heated isothermally to 1000°C and held there for 90 minutes. Out of the six, three specimens were first cooled to 700°C immediately after 90 minutes and held there for 330 minutes and followe

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