Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Slides:

Advertisements

Similar presentations

Chap 8 Analytical Instruments. XRD Measure X-Rays “Diffracted” by the specimen and obtain a diffraction pattern Interaction of X-rays with sample creates.

Advertisements

What is diffraction? Diffraction – the spreading out of waves as they encounter a barrier.

X-Ray Experiment Presenter: Xu Luo Dec 16, Part 1. Introduction  Powder method A monochromatic X-ray beam scatters off the randomly oriented powder.

Intro to X-ray Pole Figures

Orientation Distribution Function (ODF)

Texture Components and Euler Angles: part 1 June 2007

L2: Texture Components and Euler Angles: part 1 14th January 08

Stereographic projection

(0,0) RECIPROCAL LATTICE (0,1) (1,1) (2,1) (3,1) REAL LATTICE a b a* b*

Texture Components and Euler Angles: part 2 13th January 05

II Crystal Structure 2-1 Basic concept

Introduction and point groups Stereographic projections Low symmetry systems Space groups Deformation and texture Interfaces, orientation relationships.

IPCMS-GEMME, BP 43, 23 rue du Loess, Strasbourg Cedex 2

Introduction to X-ray Pole Figures

Introduction and point groups Stereographic projections Low symmetry systems Space groups Deformation and texture Interfaces, orientation relationships.

John Bargar 2nd Annual SSRL School on Hard X-ray Scattering Techniques in Materials and Environmental Sciences May 15-17, 2007 What use is Reciprocal Space?

Introduction and point groups Stereographic projections Low symmetry systems Space groups Deformation and texture Interfaces, orientation relationships.

1/12/2015PHY 752 Spring Lecture 11 PHY 752 Electrodynamics 11-11:50 AM MWF Olin 107 Plan for Lecture 1: Reading: Chapters 1-2 in Marder’s text.

Introduction and point groups Stereographic projections Low symmetry systems Space groups Deformation and texture Interfaces, orientation relationships.

Compensation of residual stress in welds using phase transformation.

Protein Structure Determination Part 2 -- X-ray Crystallography.

Introduction to Macromolecular X-ray Crystallography Biochem 300 Borden Lacy Print and online resources: Introduction to Macromolecular X-ray Crystallography,

The four-circle single crystal diffractometer.

Introduction to Patterson Function and its Applications

Orientation and Phase Mapping with Transmission Electron Microscopes

Applying X-Ray Diffraction in Material Analysis Dr. Ahmed El-Naggar.

MODERN APPROACHES IN PROPERTY ANALYSIS OF POLYCRYSTALLINE TEXTURED MEDIA IN GEO- AND MATERIAL SCIENCE BY NEUTRON DIFFRACTION DATA Victor B. Yakovlev National.

X-ray diffraction. Braggs' law = 2d hkl sin  hkl X-ray diffraction From this set of planes, only get reflection at one angle -  From this set of planes,

© Oxford Instruments Analytical Limited 2001 Introduction to Basic Crystallography - Zones in the EBSP In an Electron Backscatter Diffraction Pattern (EBSP),

Interaction of X-Rays with Materials

Crystallography Lecture notes Many other things.

Preferred orientation Stereographic projections of pole density random single crystal oriented polycrystalline material.

1 Intro to X-ray Pole Figures 18 Jan ‘ , Advanced Characterization & Microstructural Analysis, Spring 2005 A.D. (Tony) Rollett, P. Kalu.

BioXFEL Journal Club Journal Club Presenter: George Calvey Pollack Group Cornell University.

Application of Euler Angles in Materials Science.

IPCMS-GEMME, BP 43, 23 rue du Loess, Strasbourg Cedex 2

复习 What did I learn in school today? 复习 What did I learn in school today?

© Oxford Instruments Analytical Limited 2001 MODULE 3 - About the EBSD Pattern Bragg Diffraction Pattern Formation ‘Background’ Background Subtraction.

Presentation Outline ANAELU: 2-D XRD texture analysis Experimental 2D XRD patterns Representation of structure Simulation of single-crystal XRD Polycrystal.

PRESENTATION ON SYMMETRY IN CRYSTAL STRUCTURE REPRESENTED BY SATYAM CHAUHAN BT/ME/1601/011.

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Groups: Fill in this Table for Cubic Structures

Indira Gandhi Centre for Atomic Research, India

Multiple, simultaneous, martensitic transformations transformation texture intensities

X-ray diffraction.

Protein Structure Determination

Transformation Texture of Allotriomorphic Ferrite in Steel Dae Woo Kim, R. S. Qin, H.K.D.H Badeshia Graduate Institute of Ferrous Technology (GIFT) Pohang.

What did I learn in school today?

Chem5410 Q1 2/20 & 2/27/’06 1. What is so-called a single-crystal?

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Crystal Structure Continued!

Materials Science and Metallurgy Mathematical Crystallography

Materials Science and Metallurgy Mathematical Crystallography

X-ray Neutron Electron

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Chapter 1 Crystallography

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

What use is Reciprocal Space? An Introduction

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Measuring Strain Using X-Ray Diffraction

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Chap 8 Analytical Instruments

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

Deformation and texture

Crystallography H. K. D. H. Bhadeshia Introduction and point groups

MODULE 2 - Introduction to Basic Crystallography

Reciprocal Lattice & Diffraction

Crystal structure determination and space groups

Crystallography Orientation relationships Metric tensor

Presentation transcript:

Crystallography H. K. D. H. Bhadeshia Introduction and point groups Stereographic projections Low symmetry systems Space groups Reciprocal lattice and diffraction Deformation and texture Interfaces, orientation relationships Martensitic transformations

http://cml.postech.ac.kr

’

Deihl’s rule

A non-random distribution of crystal orientations in a polycrystalline sample is said to be textured.

100 pole figure plotted relative to sample axes

RD 100 pole figure showing “cube” texture TD

Electron back-scattered diffraction

Euler angles

Euler angles