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Microstructural and mechanical modelling of multiphase materials: a case study on copper-infiltrated Tungsten (W-Cu) composites
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posted on 2015-12-07, 23:50 authored by PAUL MIGNONEW-Cu is a candidate material for ultra-high temperature applications; however, little is understood about how its microstructure influences performance under mechanical loading. This is due to difficulties in capturing and digitising the microstructure due to the dense Tungsten matrix. This thesis presents both experimental and analytical methods to obtain a W-Cu microstructure for finite element analysis. The thesis also determines the correct representative volume of W-Cu for mechanical simulations, as well as the effect of porosity on its mechanical properties.
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- Mechanical engineering not elsewhere classified
- Nuclear engineering (incl. fuel enrichment and waste processing and storage)
- Hypersonic propulsion and hypersonic aerothermodynamics
- Biomaterials
- Structural engineering
- Ceramics
- Composite and hybrid materials
- Functional materials
- Materials engineering not elsewhere classified
- Numerical modelling and mechanical characterisation
- Other engineering not elsewhere classified
- Engineering practice
Keywords
finite element analysiscomposite materialsTungsten-coppermicromechanicscarbon compositesmetal matrix compositefinite element methodporosityporous materialsmaterial characterisationserial sectioningrandom close packingMechanical EngineeringNuclear EngineeringHypersonic Propulsion and Hypersonic AerodynamicsBiomaterialsStructural EngineeringCeramicsComposite and Hybrid MaterialsFunctional MaterialsMaterials Engineering not elsewhere classifiedNumerical Modelling and Mechanical CharacterisationMechanical Engineering not elsewhere classifiedEngineering not elsewhere classifiedEngineering Practice
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