A NEW POWERFUL TOOL FOR SURVEYING CLEAVAGE FRACTURE SURFACES

A new tool is presented to investigate cleavage fracture surfaces. It is based on the combined techniques of crystal orientation measurement s using the Electron Back-Scatter Diffraction (EBSD)-technique and 3-d imensional surfaces reconstruction by an Automatic Surface Reconstruct ion System (ASRS). With this tool we can perform crystallographic frac tometry of cleavage fracture facets of polycrystals within the limits of the resolution of a Scanning Electron Microscope (SEM), e.g. we can determine the crystallographic indices of cleavage planes and of dire ctions on such planes.