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Showing 1 to 20 of 59 for “"Microstructure evolution"”.

  1. Microstructure evolution and interconnect realiability

    Fayad, Walid R. (Walid Rahif)Massachusetts Institute of Technology2000

    … context of predicting the effects of geometry, microstructure, and processing conditions on electromigration (EM) induced interconnect failure, normal grain growth in thin films was studied, analytic models were built for the grain structure statistics in 2D and 3D interconnects, and simulation …

    mit Repository record

  2. Modeling trabecular microstructure evolution via genetic algorithm

    Shames, Samuel W. L. (Samuel William Linder)Massachusetts Institute of Technology2014

    … unparalleled properties are the result of the evolution via cumulative selection of highly specialized structures. Beyond biomaterials, cumulative selection offers a generalizable model for materials optimization via accumulative of beneficial mutations in a material's genome that improve the …

    mit Repository record

  3. Microstructure Evolution in Ion -Implanted Aluminum Gallium Arsenide

    Lagow, Benjamin WilsonUniversity of Illinois at Urbana-Champaign2015

    The fact that the microstructure changes gradually rather than abruptly as aluminum content is increased suggests that there is a single underlying mechanism responsible for the varied microstructures observed in implanted AlxGa1-xAs. An amorphization model based on the physical and thermal …

    uiuc Repository record

  4. Models for grain microstructure evolution and grain statistics

    Kim, JaekwangUniversity of Illinois at Urbana-Champaign2023

    Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms

    uiuc Repository record

  5. Microstructure evolution in Alloy 709 at 550 and 650 °C

    Yan, HuanUniversity of Illinois at Urbana-Champaign2018

    … after thermal aging at 550°C and 650°C. The microstructure is characterized using variety of techniques. The alloy shows excellent thermal stability at its working temperature 550°C, while its microstructure evolves rapidly at 650°C with complex precipitation behaviors. NbX particles are of …

    uiuc Repository record

  6. Composition and microstructure evolution in semi-solid cast Al-Zn alloys

    George, Sarah LouiseDepartment of Mechanical Engineering2010

    … metal casting produces a low porosity, globular microstructure, which makes it an attractive competitor to wrought parts. This research explores the suitability of utilising heat treatable, Al-Zn-Mg-Cu alloys for the production of high strength parts for the automotive and aerospace industries, …

    cape-town Repository record

  7. Dynamic and Post-Dynamic Microstructure Evolution in Additive Friction Stir Deposition

    Griffiths, Robert JosephVirginia Tech2021

    … laden parts, and asymmetric solidification-based microstructures. Solid-state additive manufacturing techniques bypass these flaws, using deformation and diffusion phenomena to bond material together layer by layer. Among these techniques, Additive Friction Stir Deposition (AFSD), stands out as …

    vt Repository record

  8. Surface Microstructure Evolution of Metallic Specimens Using the Large Chamber Scanning Electron Microscope

    Egbujor, Grace

    … microscope (LCSEM) to interrogate the surface microstructure evolution of metallic specimens has been carried out. The LC-SEM located at Western Kentucky University is the largest instrument of its type at any university in the world. As such, unique measurements can be performed due to the …

    wku-diss Repository record

  9. Material Flow and Microstructure Evolution during Additive Friction Stir Deposition of Aluminum Alloys

    Perry, Mackenzie Elizabeth JonesVirginia Tech2021

    … between material deformation and the resultant microstructure evolution, especially the strain magnitude, its influence on dynamic microstructure evolution, and material flow details, is imperative for the full implementation of AFSD. Therefore, the purpose of this work is to investigate the …

    vt Repository record

  10. Material flow and microstructure evolution in friction stir welding of AA6111 alloy sheets

    Yadava, Manasij KumarMissouri University of Science and Technology2016

    <p>"Material flow and microstructure evolution are the two important aspects of the Friction stir welding (FSW) technique, which control the properties and performance of the friction stir welds. The present work investigates these two aspects of the FSW with main emphasis on the friction stir lap …

    must-thes Repository record

  11. Acceleration of algorithm for finding optimal control variables for microstructure evolution via parallelism

    Park, AndrewUniversity of Illinois at Urbana-Champaign2023

    Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01

    uiuc Repository record

  12. Nano-cellular microstructure evolution in ion-induced chemical vapor deposition (II-CVD) of copper

    Ross, Francis L. (Francis LaFayette), 1968-Massachusetts Institute of Technology2003

    A systematic investigation of the microstructure produced in ion-induced chemical vapor deposition (11-CVD) of copper from copper(I)hexafluoroacetylacetonatevinyltrimethylsilane (Cu(I)hfacVTMS) gas precursor is reported. II-CVD involves the ion-driven decomposition of Cu(l)hfacVTMS and subsequent …

    mit Repository record

  13. MESOSCALE MICROSTRUCTURE EVOLUTION, RELIABILITY AND FAILURE ANALYSIS OF HIGH TEMPERATURE TRANSIENT LIQUID PHASE SINTERING JOINTS

    Moeini, Seyed Ali2017

    … of these materials strongly depend on their microstructure, which is determined by their processing. The complicated process of IMC formation through eutectic solidification and the extensive number of parameters affecting the final microstructure make it impractical to experimentally study …

    maryland Repository record

  14. Microstructure Evolution of Two Model Ferritic/Martensitic Steels Under Ion Irradiation In A Transmission Electron Microscope

    Adamson IV, Jimmy Lewis

    … defect interactions), accumulation (loop evolution, precipitation or dissolution of second phases...), and its effects on the material properties. </p> <p> In this work, two model alloys (one ferritic/martensitic steel of composition Fe-12Cr-0.1C and one fully martensitic steel of …

    south-carolina Repository record

  15. Effect of melt convection on microstructure evolution of peritectic Nd-Fe-B and Ti-Al alloys

    Biswas, KaushikTechnische Universität Dresden

    In dieser Arbeit wurde der Einfluss der Schmelzkonvektion auf das erstarrende Gefüge von peritektischen Nd-Fe-B – und TiAl-Legierungen mit Hilfe neuartiger Methoden untersucht. Da die magnetischen und mechanischen Eigenschaften dieser technisch relevanten Legierungen stark vom Gefüge und …

    qucosa-diss

  16. Influence of composition and thermomechanical processing on microstructure evolution in AISI 430 ferritic stainless steel(FSS)

    Machio, NyongesaCentre for Materials Engineering1998

    … potential and hot roll finish temperature on the evolution of microstructure in the ferritic stainless steel grade AISI 430. In particular, it focuses on the influence of these variables on the hot band annealing behaviour of this steel. The material employed was obtained from laboratory and …

    cape-town Repository record

  17. FRICTION STIR WELDING PROCESS AND MATERIAL MICROSTRUCTURE EVOLUTION MODELING IN 2000 AND 5000 SERIES OF ALUMINUM ALLOYS

    Yalavarthy, Harshavardhan

    clemson Repository record

  18. Deformation Mechanisms and Microstructure Evolution in HfNbTaTiZr High Entropy Alloy during Thermo-mechanical Processing at Elevated Temperatures

    RAJESHWAR, REDDY ELETIKyoto University2019

    kyoto Repository record

  19. Study of microstructure evolution in F/M steel T91 by in-situ synchrotron wide-angle X-rays scattering

    Wang, JinshengUniversity of Illinois at Urbana-Champaign2017

    … from high temperature and tensile flow stress evolution. Scanning Electron Microscopy (SEM), Optical Micropy (OM) and Transmission Electron Microscopy (TEM) were also used to study the post-tensile samples. SEM found that at RT tensile fracture happened violently with huge cracks on necking …

    uiuc Repository record

  20. Investigation into the mechanical response and microstructure evolution of high density polyethylene, under conditions applicable to the injection stretch blow moulding process

    McKelvey, DavidQueen's University Belfast2018

    … both the mechanical response and the microstructure evolution during and post forming. The response of HDPE under ISBM conditions was firstly analysed using the free stretch blow (FSB) process. The results indicated a small temperature processing window, between 126 - 130°C, were the …

    qu-belfast Repository record

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