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Misorientations PowerPoint PPT Presentation

Misorientations - In most known cases (but not all!), these boundaries are also special with ... of a dislocation structure for vicinal interfaces to CSL structures, just as for ...

In most known cases (but not all!), these boundaries are also special with ... of a dislocation structure for vicinal interfaces to CSL structures, just as for ...

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Misorientations and Grain Boundaries PowerPoint PPT Presentation

Misorientations and Grain Boundaries - Introduce grain boundaries as a microstructural feature of particular interest. ... Amsterdam, Holland, Gordon & Breach. Frank, F. (1988). ' Orientation mapping. ...

Introduce grain boundaries as a microstructural feature of particular interest. ... Amsterdam, Holland, Gordon & Breach. Frank, F. (1988). ' Orientation mapping. ...

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Misorientations and Grain Boundaries - This set of tables shows each successive result as a different symmetry operator ... to express a misorientation in more than (physically) equivalent fashion. ...

This set of tables shows each successive result as a different symmetry operator ... to express a misorientation in more than (physically) equivalent fashion. ...

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Misorientations and Grain Boundaries - A traditional method (in materials science) uses the tilt-twist description. ... then only one set of 24 operators need be applied: sample versus crystal ...

A traditional method (in materials science) uses the tilt-twist description. ... then only one set of 24 operators need be applied: sample versus crystal ...

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Misorientation Distributions, Rodrigues space, Symmetry L18 PowerPoint PPT Presentation

Misorientation Distributions, Rodrigues space, Symmetry L18 - Morawiec, A. (2003), Orientations and Rotations, Berlin: Springer. ... It can be used to normalize the MDF obtained by characterizing grain boundaries in an EBSD map. ...

Morawiec, A. (2003), Orientations and Rotations, Berlin: Springer. ... It can be used to normalize the MDF obtained by characterizing grain boundaries in an EBSD map. ...

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Grain Boundary Properties: Energy, Mobility PowerPoint PPT Presentation

Grain Boundary Properties: Energy, Mobility - 57. HAGB M: simulation results. Grain Boundary Energy g. Misorientation q. Misorientation q ... F. R. Boutin, J. Physique, C4, (1975) C4.355. V (cm.s-1) 1/T ...

57. HAGB M: simulation results. Grain Boundary Energy g. Misorientation q. Misorientation q ... F. R. Boutin, J. Physique, C4, (1975) C4.355. V (cm.s-1) 1/T ...

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27750, Advanced Characterization PowerPoint PPT Presentation

27750, Advanced Characterization - Fibers based on a fixed axis are always straight lines in RF space (unlike Euler space) ... r = tan(q/2) 6. Orientation, Misorientation ...

Fibers based on a fixed axis are always straight lines in RF space (unlike Euler space) ... r = tan(q/2) 6. Orientation, Misorientation ...

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L9 Volume Fractions of Texture Components PowerPoint PPT Presentation

L9 Volume Fractions of Texture Components - Define volume fraction as the fraction of ... Illustration of Acceptance Angle ... to express a misorientation in more than (physically) equivalent fashion. ...

Define volume fraction as the fraction of ... Illustration of Acceptance Angle ... to express a misorientation in more than (physically) equivalent fashion. ...

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Fitting FiveParameter Grain Boundary Character in 3D Digital Microstructures PowerPoint PPT Presentation

Fitting FiveParameter Grain Boundary Character in 3D Digital Microstructures - Several 3 boundaries with larger deviations from ideal misorientation ... Grains impinge and consume all free space. 2D.M. Saylor et al., Metall. Mater. Trans. ...

Several 3 boundaries with larger deviations from ideal misorientation ... Grains impinge and consume all free space. 2D.M. Saylor et al., Metall. Mater. Trans. ...

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Overview: graduate material PowerPoint PPT Presentation

Overview: graduate material - Tensors, Dyads, Products. Groups, Group Theory. Misorientation and Symmetry ... Unit dyads. Tensors, symmetric and skew-symmetric. Transformations of tensors ...

Tensors, Dyads, Products. Groups, Group Theory. Misorientation and Symmetry ... Unit dyads. Tensors, symmetric and skew-symmetric. Transformations of tensors ...

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Introduction to Basic Crystallography - Zones in the EBSP PowerPoint PPT Presentation

Introduction to Basic Crystallography - Zones in the EBSP - Introduction to Basic Crystallography - Zones in the EBSP In an Electron Backscatter Diffraction Pattern (EBSP), the intersection of Kikuchi bands correspond to ...

Introduction to Basic Crystallography - Zones in the EBSP In an Electron Backscatter Diffraction Pattern (EBSP), the intersection of Kikuchi bands correspond to ...

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Grain Boundary character: 5parameter descriptions PowerPoint PPT Presentation

Grain Boundary character: 5parameter descriptions - Note: only proper rotations [O(432)] permitted as symmetry operators to permute ... Philosophical Magazine A 80: 2457-2465.]. 40 ...

Note: only proper rotations [O(432)] permitted as symmetry operators to permute ... Philosophical Magazine A 80: 2457-2465.]. 40 ...

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Uniaxial and Multiaxial Plastic Deformation of Large Niobium Grains PowerPoint PPT Presentation

Uniaxial and Multiaxial Plastic Deformation of Large Niobium Grains - Uniaxial and Multiaxial Plastic Deformation of Large Niobium Grains Thomas Gn upel-Herold1,2, Adam Creuziger, T.Foecke3 1University of Maryland

Uniaxial and Multiaxial Plastic Deformation of Large Niobium Grains Thomas Gn upel-Herold1,2, Adam Creuziger, T.Foecke3 1University of Maryland

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Grain Boundary character: 5parameter descriptions - HKLUVW2QUAT: Quat : 0.653281152 0.270597667 0. ... Rotated (by quat) Direction in B: ... QTWIST quat = 0.119 0.120 0.000 0.986. twist axis is PARALLEL to ...

HKLUVW2QUAT: Quat : 0.653281152 0.270597667 0. ... Rotated (by quat) Direction in B: ... QTWIST quat = 0.119 0.120 0.000 0.986. twist axis is PARALLEL to ...

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Grain Boundary Properties: Energy, Mobility - Limited information available: ... Example of Cu wetting boundaries in Fe with (311) on one side. ... Data from Saylor's work on MgO suggests that the boundary ...

Limited information available: ... Example of Cu wetting boundaries in Fe with (311) on one side. ... Data from Saylor's work on MgO suggests that the boundary ...

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Hypoeutectoid Steels (CC<0.76%) (? hypereutectoid) PowerPoint PPT Presentation

Hypoeutectoid Steels (CC<0.76%) (? hypereutectoid) - ... supersaturated solid solution Fe possible sites for C atoms c a ca martensite plates / austenite = high strength = brittle Normalizing (Austenite) slow ...

... supersaturated solid solution Fe possible sites for C atoms c a ca martensite plates / austenite = high strength = brittle Normalizing (Austenite) slow ...

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ORIENTATION IMAGING MICROSCOPY (OIM) - SOME CASE STUDIES PowerPoint PPT Presentation

ORIENTATION IMAGING MICROSCOPY (OIM) - SOME CASE STUDIES - ORIENTATION IMAGING MICROSCOPY (OIM) - SOME CASE STUDIES EML 5930 (27-750) Advanced Characterization and Microstructural Analysis A. D. Rollett, P.N Kalu, D. Waryoba

ORIENTATION IMAGING MICROSCOPY (OIM) - SOME CASE STUDIES EML 5930 (27-750) Advanced Characterization and Microstructural Analysis A. D. Rollett, P.N Kalu, D. Waryoba

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Grain Boundaries PowerPoint PPT Presentation

Grain Boundaries - ... They occupy an area or surface and are therefore bidimensional. They are of great importance in mechanical metallurgy. Examples of these form of defects ...

... 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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Grain Boundaries - Introduce the grain boundary as a defect of particular ... Delimiting planes ... Rodrigues parameters are given by the planes that delimit the fundamental zone. ...

Introduce the grain boundary as a defect of particular ... Delimiting planes ... Rodrigues parameters are given by the planes that delimit the fundamental zone. ...

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LX4 Stereology applied to GBCD PowerPoint PPT Presentation

LX4 Stereology applied to GBCD - [Changsoo Kim, 2002] Trace pole. Poles of possible planes. Observed surface trace ... From these results, it is possible to deduce ratios of interfacial energies. ...

[Changsoo Kim, 2002] Trace pole. Poles of possible planes. Observed surface trace ... From these results, it is possible to deduce ratios of interfacial energies. ...

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Grain Boundary Properties: Energy (L21) PowerPoint PPT Presentation

Grain Boundary Properties: Energy (L21) - The torque term. Change in inclination causes a change in its energy, ... the rate of change of energy with inclination, i.e. the torque on the boundary. ...

The torque term. Change in inclination causes a change in its energy, ... the rate of change of energy with inclination, i.e. the torque on the boundary. ...

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Grain Boundary character: 5parameter descriptions - Why do we need 5 parameters to describe the macroscopic character of a grain ... This normal can be described in the sample frame, or either of the two crystal frames. ...

Why do we need 5 parameters to describe the macroscopic character of a grain ... This normal can be described in the sample frame, or either of the two crystal frames. ...

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Crystalline Arrangement of atoms - Crystalline Arrangement of atoms

Crystalline Arrangement of atoms

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Volume Fractions of Texture Components PowerPoint PPT Presentation

Volume Fractions of Texture Components - Typically, smoothing is used to facilitate presentation of results: ... More precisely stated, compose the inverse of one orientation with the other orientation. ...

Typically, smoothing is used to facilitate presentation of results: ... More precisely stated, compose the inverse of one orientation with the other orientation. ...

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A Phase-Field Paradigm for Grain Growth PowerPoint PPT Presentation

A Phase-Field Paradigm for Grain Growth - Anisotropic EBSD Nickel data simulation and high temperature grain boundary migration study in 2D L. Zhang and M. T. Lusk Colorado School of Mines

Anisotropic EBSD Nickel data simulation and high temperature grain boundary migration study in 2D L. Zhang and M. T. Lusk Colorado School of Mines

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Chapter 5 Imperfections: Interfacial and Volumetric Defects PowerPoint PPT Presentation

Chapter 5 Imperfections: Interfacial and Volumetric Defects - ... indicates the crystallographic orientation of the grain in a schematic fashion. ... G. Guy,Introduction to Materials Science (New York: McGraw-Hill, 1972), p. 212. ...

... indicates the crystallographic orientation of the grain in a schematic fashion. ... G. Guy,Introduction to Materials Science (New York: McGraw-Hill, 1972), p. 212. ...

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Crystalline Arrangement of atoms - Crystalline Arrangement of atoms Chapter 4 IMPERFECTIONS IN SOLIDS The atomic arrangements in a crystalline lattice is almost always not perfect.

Crystalline Arrangement of atoms Chapter 4 IMPERFECTIONS IN SOLIDS The atomic arrangements in a crystalline lattice is almost always not perfect.

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Analysis of EBSD Data (L17) - Analysis of EBSD Data L17

Analysis of EBSD Data L17

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MOLECULAR DYNAMICS APPROACH FOR INVESTIGATION OF GRAIN BOUNDARY RESPONSE WITH APPLICATIONS TO CONTINUUM SIMULATION OF FAILURE IN NANO-CRYSTALLINE MATERIALS - MOLECULAR DYNAMICS APPROACH FOR INVESTIGATION OF GRAIN BOUNDARY RESPONSE WITH APPLICATIONS TO CONTIN

MOLECULAR DYNAMICS APPROACH FOR INVESTIGATION OF GRAIN BOUNDARY RESPONSE WITH APPLICATIONS TO CONTIN

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Chapter 7: Dislocations PowerPoint PPT Presentation

Chapter 7: Dislocations - Chapter 7: Dislocations & Strengthening Mechanisms ISSUES TO ADDRESS... Why are dislocations observed primarily in metals and alloys? How are strength and ...

Chapter 7: Dislocations & Strengthening Mechanisms ISSUES TO ADDRESS... Why are dislocations observed primarily in metals and alloys? How are strength and ...

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Stereology applied to GBCD L20 PowerPoint PPT Presentation

Stereology applied to GBCD L20 - ... intersection depends on inclination angle, q. Averaging q gives factor of 2. ... Step 3: measure the angle between the g.b. tangent and the reference direction. ...

... intersection depends on inclination angle, q. Averaging q gives factor of 2. ... Step 3: measure the angle between the g.b. tangent and the reference direction. ...

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The investigation of the constraints imposed by the distributions of orientations and boundary norma PowerPoint PPT Presentation

The investigation of the constraints imposed by the distributions of orientations and boundary norma - Voronoi Tessellation. FIB-Reconstructed Structures. Twin Insertion. 5. Results: ... Voronoi Tessellation. 11. Step 3. Assign each cell as individual grain. Step 2. ...

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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Pierre-Gilles de Gennes and the puzzle of supersolidity - PierreGilles de Gennes and the puzzle of supersolidity

PierreGilles de Gennes and the puzzle of supersolidity

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ORIENTATION IMAGING MICROSCOPY OIM SOME CASE STUDIES - Department of Mechanical Engineering. ORIENTATION IMAGING MICROSCOPY (OIM) - SOME ... Department of Mechanical Engineering. INTRODCUTION TO OIM - Diffraction ...

Department of Mechanical Engineering. ORIENTATION IMAGING MICROSCOPY (OIM) - SOME ... Department of Mechanical Engineering. INTRODCUTION TO OIM - Diffraction ...

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Structural Defects - Structural Defects

Structural Defects

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Volume Fractions of Texture Components - Volume Fractions of Texture Components

Volume Fractions of Texture Components

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Examples of flat-panel liquid crystal displays - Examples of flat-panel liquid crystal displays

Examples of flat-panel liquid crystal displays

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Cold Working PowerPoint PPT Presentation

Cold Working - Cold Working Rolling Anisotropy Yield strength increases Tensile strength increases Strain Hardening decreases Uniform Elongation decreases Ductility decreases

Cold Working Rolling Anisotropy Yield strength increases Tensile strength increases Strain Hardening decreases Uniform Elongation decreases Ductility decreases

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Lecture 24: Strengthening and Recrystallization PowerPoint PPT Presentation

Lecture 24: Strengthening and Recrystallization - Lecture 24: Strengthening and Recrystallization PHYS 430/603 material Laszlo Takacs UMBC Department of Physics How can we make a material strong - have large yield ...

Lecture 24: Strengthening and Recrystallization PHYS 430/603 material Laszlo Takacs UMBC Department of Physics How can we make a material strong - have large yield ...

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DYNAMICAL EVOLUTION OF TEXTURE IN POLYCRYSTALLINE METALS UNDER HIGHSTRAIN RATE CONDITIONS PowerPoint PPT Presentation

DYNAMICAL EVOLUTION OF TEXTURE IN POLYCRYSTALLINE METALS UNDER HIGHSTRAIN RATE CONDITIONS - Algorithms and modeling techniques that properly exercise the models (e.g. DNS or Taylor) ... Taylor anvil test: 100 grains 1M elements. Plasticity 2003, ...

Algorithms and modeling techniques that properly exercise the models (e.g. DNS or Taylor) ... Taylor anvil test: 100 grains 1M elements. Plasticity 2003, ...

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MOLECULAR DYNAMICS SIMULATION OF STRESS INDUCED GRAIN BOUNDARY MIGRATION IN NICKEL PowerPoint PPT Presentation

MOLECULAR DYNAMICS SIMULATION OF STRESS INDUCED GRAIN BOUNDARY MIGRATION IN NICKEL - ... elastically anisotropic equal strain different strain energy ... driving force for boundary migration: difference in strain energy density between two grains ...

... elastically anisotropic equal strain different strain energy ... driving force for boundary migration: difference in strain energy density between two grains ...

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19 Apr 01 - Course Administration. 1. 19 Apr 01. Take home final to be issued early next week. ... Course Administration. 6. Texture development in brass? ...

Course Administration. 1. 19 Apr 01. Take home final to be issued early next week. ... Course Administration. 6. Texture development in brass? ...

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HiTc Superconductors: example of Thin Film Textures PowerPoint PPT Presentation

HiTc Superconductors: example of Thin Film Textures - Dependence of film orientation on deposition temperature ... Remaining research & development challenge: currently, the mosaic spread in the ...

Dependence of film orientation on deposition temperature ... Remaining research & development challenge: currently, the mosaic spread in the ...

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MODELING CURRENT PERCOLATION IN GRANULAR SUPERCONDUCTORS PowerPoint PPT Presentation

MODELING CURRENT PERCOLATION IN GRANULAR SUPERCONDUCTORS - What would be the effect of the imperfect crystallographic orientations on ... the reduction of Jc due to the vicinal effect is important, it is not as severe ...

What would be the effect of the imperfect crystallographic orientations on ... the reduction of Jc due to the vicinal effect is important, it is not as severe ...

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Theory and simulation of materials: some recent developments in research - Theory and simulation of materials: some recent developments in research

Theory and simulation of materials: some recent developments in research

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Studies of Band Alignment, Two-dimensional Electron Gas and Ordering Effects in InGaPN/GaAs Heterostructures - Studies of Band Alignment, Two-dimensional Electron Gas and Ordering Effects in InGaPN/GaAs Heterostructures ...

Studies of Band Alignment, Two-dimensional Electron Gas and Ordering Effects in InGaPN/GaAs Heterostructures ...

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L9 Volume Fractions of Texture Components - ... how do we calculate the intensity in the OD? ... Discrete OD from points. The same Vf near F=0 will have much larger f(g) than cells near F =90 ...

... how do we calculate the intensity in the OD? ... Discrete OD from points. The same Vf near F=0 will have much larger f(g) than cells near F =90 ...

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Suppressed superconductivity on the surface of SRF quality niobium for particle accelerating cavities PowerPoint PPT Presentation

Suppressed superconductivity on the surface of SRF quality niobium for particle accelerating cavities - Suppressed superconductivity on the surface of SRF quality niobium for particle accelerating cavities Z.H. Sung, A.A. Polyanskii, P.J. Lee, A. Gurevich,

Suppressed superconductivity on the surface of SRF quality niobium for particle accelerating cavities Z.H. Sung, A.A. Polyanskii, P.J. Lee, A. Gurevich,

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Volume Fractions of Texture Components - Snapshots obtained of the grain structure at two different times. ... COD and SOD plots (polar sections from popLA, Cartesian sections from XPert) ...

Snapshots obtained of the grain structure at two different times. ... COD and SOD plots (polar sections from popLA, Cartesian sections from XPert) ...

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High Performance Composites PowerPoint PPT Presentation

High Performance Composites - High Performance Composites Ray Loszewski Purpose of Presentation Overview of boron, carbon, and silicon carbide fibers, prepregs and composite fabrication ...

High Performance Composites Ray Loszewski Purpose of Presentation Overview of boron, carbon, and silicon carbide fibers, prepregs and composite fabrication ...

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Ultrasonic Techniques for Damage Evaluation on polymer matrix Composite Laminates Prof. Claudio Scarponi Dipartimento di Ingegneria Aerospaziale e Astronautica, Universit - Ultrasonic Techniques for Damage Evaluation on polymer matrix Composite Laminates Prof. Claudio Scarponi Dipartimento di Ingegneria Aerospaziale e Astronautica ...

Ultrasonic Techniques for Damage Evaluation on polymer matrix Composite Laminates Prof. Claudio Scarponi Dipartimento di Ingegneria Aerospaziale e Astronautica ...

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Chapter 7: Dislocations - Title: Chapter 7 Author: David Rethwisch Last modified by: vonlockette Created Date: 1/25/2001 8:00:33 PM Document presentation format: On-screen Show

Title: Chapter 7 Author: David Rethwisch Last modified by: vonlockette Created Date: 1/25/2001 8:00:33 PM Document presentation format: On-screen Show

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ERTH 3020 - ERTH 3020

ERTH 3020

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Flow Velocity Pitot tube Hot wire anemometer PowerPoint PPT Presentation

Flow Velocity Pitot tube Hot wire anemometer - Pitot tube Hot wire anemometer 1 p 2 v 2 cost PT V2/2 PS Pitot tube At stagnation point we have V=0 PT = stagnation pressure (total pressure) PS = static ...

Pitot tube Hot wire anemometer 1 p 2 v 2 cost PT V2/2 PS Pitot tube At stagnation point we have V=0 PT = stagnation pressure (total pressure) PS = static ...

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Folie 1 - Folie 1

Folie 1

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Chapter 8: Deformation PowerPoint PPT Presentation

Chapter 8: Deformation - Chapter 8: Deformation & Strengthening Mechanisms ISSUES TO ADDRESS... Why are the number of dislocations present greatest in metals ? How are strength and ...

Chapter 8: Deformation & Strengthening Mechanisms ISSUES TO ADDRESS... Why are the number of dislocations present greatest in metals ? How are strength and ...

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Misorientation PowerPoint PPT Presentations