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Scientific research and standardization objectives

The ISO International Standard 21432:2019 on determining residual stresses by neutron diffraction has been supported by NeT studies, which have also contributed to ISO/TS 18166:2015 on numerical welding simulation.

Two of the NeT studies (TG1 and TG4) have been adopted as validation benchmarks for the weld residual stress simulation guidelines incorporated into the R6 defect assessment procedure.



Scientific publications, contributions to PhD work etc.


The NeT research activities and their results are published in ca. 125 academic publications and have contributed to more than 15 PhD degree theses in relevant scientific disciplines. Two special issues of the International Journal of Pressure Vessels and Piping have been published in January 2009 and July 2018 covering the results and the interpretation of NeT Task Groups 1 and 4, respectively.

PhD Theses list

Academic publications

Network on Neutron Techniques Standardization for Structural Integrity

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