Further investigations on pseudo-strain induced in neutron strain measurement

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dc.contributor.authorSuzuki, Hen_AU
dc.contributor.authorHarjo, Sen_AU
dc.contributor.authorLuzin, Ven_AU
dc.contributor.authorAbe, Jen_AU
dc.contributor.authorAkita, Ken_AU
dc.date.accessioned2025-07-31T03:22:14Zen_AU
dc.date.available2025-07-31T03:22:14Zen_AU
dc.date.issued2013-09-12en_AU
dc.date.statistics2024-11-22en_AU
dc.descriptionPhysical copies of the abstract book held by ANSTO Library at DDC: 620.1123/20. Some papers from conference have been published in Materials Science Forum Vol. 777 available here: https://doi.org/10.4028/www.scientific.net/MSF.777en_AU
dc.description.abstractIn the strain measurement using neutron diffraction, pseudo-strains have been known to be generated due to the surface effect and the neutron attenuation effect, and its generation mechanism has been discussed extensively. in a previous study using the angular dispersive (AD) neutron diffraction technique, it has been suggested that the pseudo-strains due to the surface effect are caused by three influence factors, i.e., a wavelength effect, a peak clipping effect and a geometrical effect. Furthermore, the modeling of the pseudo-strains due to the surface-effect has been successfully achieved in the Time-Of-Flight (TOP) as well as AD neutron diffraction techniques. However, there are many cases which cannot be explained by the conventional theory. For discussing this reason, in this study, pseudo-strains due to the surface effect and the neutron attenuation effect were investigated further by going back to the principle of the issues on pseudo-strains. The pseudo-strains were discussed on the strain measurements in the annealed steel plate using the TOF and AD methods, and the effects of the optical systems, such as gauge volume size, monochromator curvature and neutron energy, on the pseudo-strains were investigated. it was clarified that the incident-beam characteristics, e.g., the incident neutron beam divergence and wavelength distributions near the edges of the gauge volume, were especially important factors for discussing the pseudo-strains due to the surface effect and the neutron attenuation effect in addition to the conventional principles suggested in the previous studiesen_AU
dc.identifier.booktitleMECA SENS 2013 : 7th International Conference on Mechanical Stress Evaluation by Neutron and Synchrotron Radiation.en_AU
dc.identifier.citationSuzuki, H., Harjo, S., Luzin, V., Abe, J., & Akita, K. (2013). Further investigations on pseudo-strain induced in neutron strain measurement. Presentation to MECA SENS 2013 : 7th International Conference on Mechanical Stress Evaluation by Neutron and Synchrotron Radiation, 10-12 September 2012, Sydney, Australia, (pp. 102).en_AU
dc.identifier.conferenceenddate2013-09-12en_AU
dc.identifier.conferencenameMECA SENS 2013 : 7th International Conference on Mechanical Stress Evaluation by Neutron and Synchrotron Radiationen_AU
dc.identifier.conferenceplaceCoogee, New South Walesen_AU
dc.identifier.conferencestartdate2013-09-10en_AU
dc.identifier.pagination102en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16380en_AU
dc.publisherAustralian Nuclear Science and Technology Organisationen_AU
dc.subjectStrainsen_AU
dc.subjectAnnealingen_AU
dc.subjectAttenuationen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectAngular distributionen_AU
dc.subjectGeometrical Aberrationsen_AU
dc.titleFurther investigations on pseudo-strain induced in neutron strain measurementen_AU
dc.typeConference Abstracten_AU
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