Norm

ISO/DIS 16793:2017 en

 

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Over deze norm

Status Ontwerp
Aantal pagina's 12
Gepubliceerd op 01-01-2017
Taal Engels
ScopeThis International Standard describes the ceramographic preparation of uranium dioxide (UO2) sintered pellets for qualitative and quantitative microstructure examinations.These examinations may be carried out before and after thermal or chemical etching.They enable- observations of fissures, inter- or intra-granular pores and inclusions,- measurement of pore and grain size and measurement of pore and grain size distributions.The measurement of average grain size may be carried out using a classical counting method as described in ISO 2624[1] or ASTM E112,[2] i.e. intercept procedure, comparison with standard grids or reference photographs.The measurement of pore-size distributions is usually carried out by an automatic image analyser. If the grain-size distributions are also measured with an image analyser, it is recommended that thermal etching be used to reveal the grain structure uniformly throughout the whole sample.

Details

ICS-code 27.120.30
Nederlandse titel  
Engelse titel Nuclear fuel technology - Guide for ceramographic preparation of UO2 sintered pellets for microstructure examination
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