The stereometric microstructure analysis delivers data about 3 factors, which govern the 
geometric arrangement of the phases: shape, orientation and distribution. The distinction 
between a direct and indirect shape factor and its measurement is considered. Furthermore 
the textur-factor for describing the orientation and the distribution rate as criteria for the 
phase distribution is explained. 
Finally, the meaning and content of material-dependent microstructure analysis has been 
considered. There are two possibilities, given by the material investigated: microstructures 
being in equilibrium, that means measurements about constitution for example — and 
microstructures, in which the equilibrium state is not reached. In this context compatibility 
studies and investigations about reaction kinetics are mentioned. 
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770