scholarly journals Ultrasonic inspection of AA6013 laser welded joints

2011 ◽  
Vol 14 (3) ◽  
pp. 417-422 ◽  
Author(s):  
Adriano Passini ◽  
Aline Capella de Oliveira ◽  
Rudimar Riva ◽  
Dilermando Nagle Travessa ◽  
Kátia Regina Cardoso
Keyword(s):  
Welded Joints ◽  
Ultrasonic Inspection

Ultrasonic inspection of welded joints by the mirror‐shadow method

2002 ◽  
Vol 16 (5) ◽  
pp. 408-411
Author(s):  
E M Komov ◽  
M E Komov ◽  
V V Sokovnin
Keyword(s):  
Welded Joints ◽  
Ultrasonic Inspection ◽  
Shadow Method

Features of ultrasonic control of butt welded joints of polyethylene pipes

2020 ◽  
pp. 46-52
Author(s):  
N.P. Aleshin ◽  
D.M. Kozlov ◽  
L.YU. Mogilner
Keyword(s):  
Quality Control ◽  
Welded Joints ◽  
Ultrasonic Testing ◽  
Ultrasonic Inspection ◽  
Mechanical Tests ◽  
Ultrasonic Control ◽  
Lack Of Fusion ◽  
Polyethylene Pipes ◽  
End To End

The reliability of ultrasonic testing (UT) of the quality of welded joints of polyethylene pipelines, made end-to-end with a heated tool, is considered in comparison with mechanical tests and radiography. The greatest detection of solid defects is provided by ultrasonic inspection with the use of chord tipe probes (not less than 90 %). When detecting defects translucent for ultrasound (lack of penetration, lack of fusion, etc.), the reliability decreases to 70÷80 %. Keywords: welding, polyethylene pipeline, quality control, ultrasonic testing, chord tipe probe. [email protected]

AUTOMATION OF THE PROCESS OF QUALITY CONTROL OF WELDED JOINTS

2020 ◽  
Vol 13 (3) ◽  
pp. 76-85
Author(s):  
S. Nikolenko ◽  
Svetlana Sazonova ◽  
N. Akamsina
Keyword(s):  
Antenna Arrays ◽  
Welded Joints ◽  
Ultrasonic Inspection ◽  
Welding Process ◽  
Practical Experience ◽  
Flaw Detector ◽  
Advantages And Disadvantages ◽  
Sufficient Detail ◽  
Electric Arc Welding ◽  
Arc Welding Process

The analysis of the electric arc welding process is performed. The main types and causes of defects in welded joints have been identified. The main non-destructive methods of control of welded joints are analyzed. The revealed advantages and disadvantages of each method. The method of ultrasonic testing is considered in sufficient detail. Shown on the practical experience of ultrasonic inspection of welded joints by a flaw detector with antenna arrays. The features of application of the program for PC «USD-soft», which allows automating the control of welded seams, are considered.

scholarly journals The Influence of the Welding Process on the Ultrasonic Inspection of 9%Ni Steel Pipe Circumferential Welded Joints

Materials ◽  
2020 ◽  
Vol 13 (4) ◽  
pp. 961
Author(s):  
João da Cruz Payão Filho ◽  
Elisa Kimus Dias Passos ◽  
Rodrigo Stohler Gonzaga ◽  
Daniel Drumond Santos ◽  
Vinicius Pereira Maia ◽  
...  
Keyword(s):  
Welded Joints ◽  
Arc Welding ◽  
Gas Metal Arc Welding ◽  
Ultrasonic Inspection ◽  
Welding Process ◽  
Oil And Gas Industry ◽  
Co2 Injection ◽  
Shielded Metal Arc Welding ◽  
Scanning Angle ◽  
Metal Arc Welding

This work aims to compare the ultrasonic inspection of 9%Ni steel joints welded with the Gas Metal Arc Welding (GMAW) process and Shielded Metal Arc Welding (SMAW) process. These are the two most widely used processes used to weld pipes for CO2 injection units for floating production storage and offloading (FPSO) in the Brazilian oil and gas industry. The SMAW equipment is simple and portable, which is convenient for the FPSO; however, the GMAW process has the advantage of welding with high productivity. In this study we performed a numerical simulation using the software CIVA, 11th version, to analyze the behavior of ultrasonic longitudinal wave beams through GMAW and SMAW dissimilar weld joints. Ultrasonic tests were performed on calibration blocks drawn from both welded joints to evaluate the simulation results. The results are discussed with regard to the microstructure of the weld metal via electron backscatter diffraction (EBSD) analyses. The SMAW process presented better inspection performance than the GMAW process in terms of attenuation and dispersion effects. Although the SMAW had a better outcome, for both processes the configuration of 16 active elements and a scanning angle of 48° resulted in an optimized inspection of the entire joint.

Восстановление изображения отражателей на границе основного металла и сварного соединения с использованием ультразвуковых антенных решеток

2021 ◽  
pp. 3-17
Author(s):  
А.Е. Базулин ◽  
Е.Г. Базулин ◽  
А.Х. Вопилкин ◽  
Д.С. Тихонов
Keyword(s):  
Antenna Array ◽  
Welded Joints ◽  
Phased Array ◽  
Ultrasonic Inspection ◽  
Control Object ◽  
Fusion Boundary ◽  
High Quality ◽  
Array Technology

The article suggests an effective method of replacing zonal focusing with an antenna array, traditionally used for automated ultrasonic inspection of welded joints with a narrow cutting to detect defects at the fusion boundary. This method, based on the use of multi-circuit digital focusing antenna technology (DFA), allows you to obtain and analyze high-quality images of reflectors. The proposed method, in comparison with zonal focusing made using phased array technology, is less sensitive to the accuracy of positioning the antenna array relative to the seam axis and to changes in the thickness of the control object, allows you to estimate the height of defects not by the amplitude attribute, but by the size of the glare reflectors.

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