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Columnar-Equiaxed Transition (CET) Solidification control by alternating magnetic fields ... Results VI Columnar-to-equiaxed transition (CET) SFB. 609. B = 10 ...
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Outer chilled zones. re-melted? Pouring temperature. survived? ... Chilled zone. Fine equiaxed grains. Pure substance: Continuous shell. Solution: Particles ...
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Processing and characterisation of fluorite-related ceramic wasteforms for ... Acicular grains zirconolite. Equiaxed grains have perovskite structure ...
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1st Workshop on Advanced Accelerator Magnets, Archamps, France, March 17 and 18, 2003 ... equiaxed to columnar transition. 23-24.5 At.% Sn in A15, equiaxed ...
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... reduction of pinhole porosity and columnar-to-equiaxed transition was reported ... of the columnar grain growth (Martorano et al, 2003, Willers et al 2005, ...
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Pure metals: Formation of shell because temperature gradient is the key ... solidus. liquidus. Outer chilled zones. re-melted? Pouring temperature. survived? ...
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Title: Introduction to Materials Science Author: Last modified by: lan Created Date: 2/11/2000 1:54:34 PM Document presentation format
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Solidification Continued
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CHAPTER 4 IMPERFECTIONS IN SOLIDS ISSUES TO ADDRESS... What types of defects arise in solids? Can the number and type of defects be varied and controlled?
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Title: L-5: Thermodynamics of Mixtures (Chapter 7) Author: WR Wilcox & LL Regel Last modified by: William R. Wilcox and Liya L. Regel Created Date
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Metallography of Deformed, Welded and Surface Hardened Structures MSE 206-Materials Characterization I Lecture-8
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The basic oxygen furnace is a large pear-shaped steel barrel lined with refractory. See Figure 11-4. The furnace is tilted so that the charge of molten pig iron and ...
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Title: L-5: Thermodynamics of Mixtures (Chapter 7) Author: WR Wilcox & LL Regel Last modified by: William R. Wilcox and Liya L. Regel Created Date
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Title: PowerPoint Presentation Last modified by: Administrator Created Date: 1/1/1601 12:00:00 AM Document presentation format:
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Less severe quenching media usually require steels with higher hardenability. See Figure 14-5. Chapter 14-* Stress relief occurs during tempering.
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Slip. Grain Boundaries. Grain Boundaries. 3 Dislocations. 8 Dislocations ... Slip. Dislocation Density. Called Work ... Slip. Impurities. Alloying ...
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... Electroforming : The process of electrolysis is used to plate a metal on a conducting surface e.g. silver and copper plated dies. Cooling of molten metal ...
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Composite Coating ... in-situ formation of nanocomposite coating by solid-state displacement reaction between metal carbides, nitrides, oxides, etc ...
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sfb 609 numerical study of the influence of an applied electrical potential on the solidiifcation of a binary metal alloy p.a. nikrityuk, k. eckert, r. grundmann
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CHAPTER 4: IMPERFECTIONS IN SOLIDS ISSUES TO ADDRESS... What are the solidification mechanisms? What types of defects arise in solids? Can the number and ...
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Templated Grain Growth (TGG) is a technique to develop crystallographic texture in polycrystalline ceramic bodies via the grain growth of aligned template particles.
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Energy-dispersive x-ray spectroscopy http://en.wikipedia.org/wiki/Energy-dispersive_X-ray_spectroscopy Detection of x-rays emitted in an SEM enables analysis of ...
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... for a bulk metallic glass Stability and phase transformation ... alloys that have no translational ... the micro-structure of cast metals ...
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The RollsRoyce Trent Engine
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Title: INSTRUCTIONS Author: skendall Last modified by: H nio Gon alves Created Date: 7/9/2002 6:53:13 PM Document presentation format: US Letter Paper
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Stanke and Kino. Karal and Keler. Scattering mechanism: 3 ... Sensitivity study (mean grain size, ?VL) comparison to a reference model (Stanke and Kino) ...
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How much one element will dissolve in another is ... Peritectic. S1 L - S2. d L - g. Liquid. g L. Fe3C- cementite. A compound. g Fe3C. a Fe3C ...
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Usually pre-heat to 400 F helps in getting some ferrite and ... Metallurgy and property depend on. the zones. filler metal used. Welding process. Weld deposit ...
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Crank handle formed by casting; some areas were machined and assembled after casting ... Interface that separates the cope and drag of a 2-part mold. Draft ...
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Chapter 5 Nonferrous Heavy Alloys 1302 310 Engineering Metallurgy Lecturer: Dr.Sukangkana Lee 1. The Superalloys Superalloys ...
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Chapter 7: Dislocation and Strengthening Mechanism Why Study ? With a knowledge of the nature of dislocation and the role they play in the plastic deformation process ...
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Title: PowerPoint Author: cost Last modified by: cost Created Date: 7/15/2003 12:36:03 PM Document presentation format:
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Title: Continuous Severe Plastic Deformation Of Aluminum DOE DE-FC07-01ID14022 Author: WSU Last modified by: rsrin Created Date: 4/20/2001 6:32:10 PM
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MULTISCALE MODELING OF SOLIDIFICATION OF MULTICOMPONENT ALLOYS
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Title: Effect of Ram Speed and Tool Complexity on the Extrusion of Al-6063 Author: afmarif Last modified by: myounasa Created Date: 2/7/2001 3:34:08 PM
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... this study used self-design piercing mandrel die, by simple one-pass forward ... The operations were very easy that can save much design of die cost, and conform ...
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Understanding phase diagram: phase, solidification, solid ... (commercial eutectic solder 63%Sn-37%Pb) We will only discuss briefly about microstructures. ...
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To begin with crystal growth is relatively slow, forming first a planar and then ... solidification at the center-line is associated with rapid crystal growth and ...
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The Rolls-Royce Trent Engine. 5 October 2000. Michael Cervenka ... The RB211 & Trent family has a long and secure future. Rolls-Royce ...
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Lead pipes on a 75-year-old building in southern New England. The creep-induced curvature of these pipes is typical of ... From Cervenka, Rolls Royce, 2000 ...
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High purity metals are always softer and weaker than alloys composed of the same base metal. ... materials grain diameter (d) varies with time according to: ...
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Turbine Blades for Jet Engines. FIGURE 3.1 Turbine blades for jet engines, manufactured by three different ... single crystal blades have properties at ...
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CREEP MATERIALS SCIENCE & ENGINEERING Part of ... The plasticity and creep of Metals and Ceramics by H.J. Frost and M.F.Ashby, Pergamon Press, Oxford, 1982.
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Applications of Textured Microstructures
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The Fe-iron carbide phase diagram shows the eutectoid region. The horizontal line at the eutectoid temp., labeled A1, is the lower critical temperature (LCT) ...
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Voronoi Tessellation. FIB-Reconstructed Structures. Twin Insertion. 5. Results: ... Voronoi Tessellation. 11. Step 3. Assign each cell as individual grain. Step 2. ...
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Metal Casting A large sand casting weighing 680 kg for an air compressor frame Basic Features Pattern and Mould A pattern is made of wood or metal, is a replica of ...
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RAFM steels are the candidate structural materials for TBM to be ... Schematic of hot wire NG-TIG. Oscillation of the torch tip to ensure side wall fusion ...
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Analysis of EBSD Data L17
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Plastic deformation therefore leads to shape change such as used in manufacturing by bending, rolling forging, ... rolling, forging, extrusion. Cold Work.
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Overall Scope of Proposed Marine Gas Turbine S&T Program David A. Shifler Office of Naval Research 875 N. Randolph Street Arlington, VA 22203-1995
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... a series of steps to reduce a rod of copper-zinc alloy from 1 ' diameter to .1'diameter. ... only on the temperature, but on how long you keep the metal hot. ...
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... They occupy an area or surface and are therefore bidimensional. They are of great importance in mechanical metallurgy. Examples of these form of defects ...
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Titanium A two step process of resistance welding titanium sheet to honeycomb structures results in improved joint mechanical properties. These structures are being ...
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... observed in pieces of metal or other solids large enough for practical use. ... growth of the grains, which increase in size with increasing application of heat. ...
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