Defect imaging of structural objects using positron annihilation spectroscopy

Autor:	Douglas P. Wells, Alan W. Hunt, R. Spaulding, J.F. Harmon, J. M. Urban-Klaehn
Rok vydání:	2005
Předmět:	Nuclear physics Physics Nuclear and High Energy Physics Positron Instrumentation Positron annihilation spectroscopy Positron annihilation
Zdroj:	Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 241:262-266
ISSN:	0168-583X
DOI:	10.1016/j.nimb.2005.07.186
Popis:	Two techniques have recently been developed to quickly and easily apply positron annihilation spectroscopies to large structural components found in civil engineering, aviation, etc. In this paper, the authors discuss how to extend imaging capabilities to these new techniques, which will enable defect imaging similar to that obtained with positron micro-beams but at much larger sample sizes. Preliminary two-dimensional defect imaging results are presented from a highly damaged 30.5 × 30.5 cm copper plate.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::09d93c0adb4cafe6869198cde7e583b8 https://doi.org/10.1016/j.nimb.2005.07.186 Zobrazit plný text záznamu Full Text from ScienceDirect