Microstructure MENA3100,OBK, 18.01.12. Based on chapter 1 The Consept of Microstructure.
-
Upload
lisa-webster -
Category
Documents
-
view
223 -
download
4
Transcript of Microstructure MENA3100,OBK, 18.01.12. Based on chapter 1 The Consept of Microstructure.
-
MicrostructureMENA3100,OBK, 18.01.12
-
Based on chapter 1The Consept of Microstructure
-
Microstructural morphology
Microanalysis
Crystal structure
-
How?Interaction between sample andlightX-rayselectronesImageSpectrumDiffraction pattern+ SPMneutrons
-
SEMOptical microscopy
Electron microscopyScanning electron microscopy (SEM)Transmission electron microscopy (TEM)
DiffractionX-ray diffraction (XRD)Electron diffractionNeutron diffraction
X-ray spectroscopyEnergy dispersive spectroscopy (EDS)Wavelength dispersive spectroscopy
Auger electron microscopy
X-ray photo spectroscopy (XPS)
Electron energy loss spectroscopy (EELS)
Scanning probe microscopy (SPM)Atomic force microscopy (AFM)Scanning tunneling microscopy (STM)
-
Structure-insensitiveYoungs modulusThermal expansion coeffisientSpecific gravityYield strengthThermal conductivityElectrical resistivityIs microstructure important?Well ...Why?Structure-sensitive
-
MikrostrukturMakrostrukturMesostrukturMikrostrukturNanostrukturs. 10
-
PolycrystallineMultiphaseA crystalCalciteMarbleGraniteMonocrystalline
-
EquidimensionalAcicularTabular...Crystals can be:
-
Measure sizeCaliper diameterDA = NA-1/2DL = NL-1ASTM Grain-size Chart
-
Dislocations
-
CrystallographyEnhetscelleGitter + basis
-
Crystal systemAxial systemBravais latticePoint groupSpace group
-
Crystal system7
-
NOT ATOMS!
-
Crystal system7
-
Stereografisk projeksjon