Using ultrastream diagnostics for evaluating the quality of welded joints

A new method for evaluating the quality parameters, in particular impact fracture toughness, is described. The method is based on the effect of a high-speed water jet on the surface of the inspected object, with the information features being the geometrical characteristics of the resultant hydrauli...

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Bibliographic Details
Published in:Welding International 2015-09, Vol.29 (9), p.730-733
Main Authors: Abashin, M.I., Barzov, A.A., Bochkarev, S.V., Galinovsky, A.L., Maslov, B.G.
Format: Article
Language:English
Subjects:
Diagnostic systems
Fluid dynamics
Fluid flow
Fracture toughness
Geometry
High speed
Holes
Homogeneity
Hydraulics
hydropocket
impact elasticity
Joint strength
Quality
Resultants
Welded joints
Welding
welding defect
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Description
Summary:A new method for evaluating the quality parameters, in particular impact fracture toughness, is described. The method is based on the effect of a high-speed water jet on the surface of the inspected object, with the information features being the geometrical characteristics of the resultant hydraulic cavity. Experimental results demonstrating the possibilities of evaluation of the homogeneity of the material of the welded joint are presented. The relationship between the impact toughness of the material of the welded joint and the depth of the hydraulic cavity formed as a result of the effect of the water jet is discussed.
ISSN:0950-7116
1754-2138
DOI:10.1080/09507116.2014.970333