scholarly journals Towards the enhancement of medical imaging with non-destructive testing (NDT) CMOS sensors. Evaluation following IEC 62220-1-1:2015 international standard

2018 ◽  
Vol 10 ◽  
pp. 326-332 ◽  
Author(s):  
N. Martini ◽  
V. Koukou ◽  
G. Fountos ◽  
I. Valais ◽  
A. Bakas ◽  
...  
Keyword(s):  
Medical Imaging ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
International Standard ◽  
Cmos Sensors ◽  
Non Destructive

scholarly journals Scheme for Certification of Non-Destructive Testing Personnel, Operating in the Nordic Countries

2018 ◽  
pp. 58-65
Author(s):  
N. Khorlo
Keyword(s):  
Nordic Countries ◽  
Normative Document ◽  
Conformity Assessment ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
International Standard ◽  
Certification Procedure ◽  
Non Destructive ◽  
Single Organ

The analysis of the normative document DOC GEN 010, which is regulating the procedure for conducting qualification examinations and the procedure for certification of personnel performing industrial non-destructive testing in the Nordic countries, has been performed. The document was developed by the organization NORDTEST, which is the single organ of the Nordic countries in the field of conformity assessment. The considered document establishes additional requirements for the preparation, content and procedure for conducting qualification examinations and the certification procedure in general, in relation to the current international standard ISO 9712. The scheme provides the qualification level of NDT personnel, which is recognized, and in some cases is regulated by state bodies and consumers of NDT services in Nordic countries.

scholarly journals Application of National Sectors in the Procedure of NDT Personnel Certification

2020 ◽  
pp. 45-53
Author(s):  
N. F. Khorlo
Keyword(s):  
The European Union ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
International Standard ◽  
National Accreditation ◽  
Accreditation Agency ◽  
National Production ◽  
Main Components ◽  
And Control ◽  
Non Destructive

A comprehensive analysis of the concept “sector”, as one of the main components of the certification area of a specialist in non-destructive testing (NDT) in accordance with the requirements of the international standard EN ISO 9712, was carried out. Features and differences of the lists of sectors regulated by regulatory documents that establish the requirements for certification of NDT personnel are considered in the voluntary (DSTU EN ISO 9712) and legislatively regulated (NPAOP 0.00-1.63-13) areas of Ukraine. The features of the areas of accreditation of Personnel Certification Bodies (OSB) in the field of non-destructive testing of Ukraine and some countries of the European Union are considered. The analysis of sectors with which non-destructive testing personnel is certified was performed. Personnel certification bodies accredited by the National Accreditation Agency of Ukraine (NAAU) and national accreditation bodies of the Great Britain, Germany and Nordic countries in accor­dance with the requirements of the international standard EN ISO / IEC 17024. The differences in product and manufacturing sectors re­gulated by the standard EN ISO 9712 and established by the areas of accreditation of PCB in the field of non-destructive control of Ukraine and selected European countries. The basic principles are stated in accordance with which an additional (national) sector should be created. On the example of the analysis of differences in the production sectors “production” and “control before and during ope­ration, including production” according to EN ISO 9712, various aspects of non-destructive testing that affect the criteria for the formation of additional (national) production sectors were considered. The possibility and appropriateness of introducing national sectors into the certification procedures of Personnel Certification Bodies for non-destructive testing in Ukraine are considered.

Non destructive testing of works of art by terahertz analysis

2013 ◽  
Vol 64 (2) ◽  
pp. 21001 ◽  
Author(s):  
Jean-Luc Bodnar ◽  
Jean-Jacques Metayer ◽  
Kamel Mouhoubi ◽  
Vincent Detalle
Keyword(s):  
Non Destructive Testing ◽  
Destructive Testing ◽  
Works Of Art ◽  
Non Destructive

Modeling of a sensitive element on a planar mushroom-shaped metamaterial for non-destructive testing and searching for inhomogeneities in technological media

2020 ◽  
pp. 54-59
Author(s):  
A. A. Yelizarov ◽  
A. A. Skuridin ◽  
E. A. Zakirova
Keyword(s):  
Sensitive Element ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Resonant Frequency Shift ◽  
Maltese Cross ◽  
Informative Parameters ◽  
Non Destructive ◽  
Cross Type ◽  
Electrodynamic Structure ◽  
Electrophysical Parameters

A computer model and the results of a numerical experiment for a sensitive element on a planar mushroom-shaped metamaterial with cells of the “Maltese cross” type are presented. The proposed electrodynamic structure is shown to be applicable for nondestructive testing of geometric and electrophysical parameters of technological media, as well as searching for inhomogeneities in them. Resonant frequency shift and change of the attenuation coefficient value of the structure serve as informative parameters.

STUDY OF HOMOGENEITY, POROSITY AND INTERNAL DEFECTS IN AERATED AND EPS AGGREGATE POLY BRICKS USING NEUTRON RADIOGRAPHY TECHNIQUE

2015 ◽  
Vol 7 (2) ◽  
pp. 1428-1439
Author(s):  
Khurshed Alam ◽  
Md. Sayeedur Rahman ◽  
Md. Mostafizur Rahman ◽  
S. M. Azaharul Islam
Keyword(s):  
Optical Density ◽  
Neutron Radiography ◽  
Density Variation ◽  
Expanded Polystyrene ◽  
Elemental Distribution ◽  
Non Destructive Testing ◽  
Internal Defects ◽  
Destructive Testing ◽  
Radiographic Images ◽  
Non Destructive

A powerful non-destructive testing (NDT) technique is adopted to study the internal defects and elemental distribution/homogeneity and porosity of aerated brick and EPS aggregate poly brick samples. In the present study the internal defects like homogeneity, porosity, elemental distribution, EPS aggregate and aerator distributor in the test samples have been observed by the measurement of gray value/optical density of the neutron radiographic images of these samples. From this measurement it is found that the neutron intensity/optical density variation with the pixel distance of the AOI of the NR images in both expanded polystyrene (EPS) aggregate poly brick and aerated brick samples comply almost same in nature with respect to the whole AOI but individually each AOI shows different nature from one AOI to another and it confirms that the elemental distribution within a AOI is almost homogeneous. Finally it was concluded that homogeneity, elemental distribution in the EPS aggregate poly brick sample is better than that of the aerated brick sample. 

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