
Reproducibility and accuracy of spatial measurements from digitally captured images in the environmental scanning electron microscope
Author(s) -
Cousens D. R.,
Kinaev N. N.,
Ranasinghe M.
Publication year - 1998
Publication title -
scanning
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.359
H-Index - 47
eISSN - 1932-8745
pISSN - 0161-0457
DOI - 10.1002/sca.1998.4950200203
Subject(s) - reproducibility , calibration , scanning electron microscope , magnification , environmental scanning electron microscope , materials science , microscope , optics , relative humidity , composite material , physics , mathematics , chemistry , chromatography , statistics , thermodynamics
Accurate spatial measurements in a scanning electron microscope (SEM) require calibration of the magnification as a function of working distance and microscope operating conditions. This work presents the results of the calibration of an environmental SEM for the accurate spatial measurement of dimensions and areas in experiments, both for the measurement of strain in steel specimens under applied loads and the measurement of dimensional changes in timber with changes in relative humidity.