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Published in:
2020 | OriginalPaper | Chapter
An Image Processing Approach for Detecting Solidification Crack in Pipeline Girth Welds
Authors : Nirmala Madian, Somasundaram Devaraj, Santhi Krishnamoorthi, Rajagopal Dhanasekaran
Published in: Recent Trends in Mechanical Engineering
Publisher: Springer Singapore
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Abstract
Welding is the most significant component in day-to-day life. Without welding, nothing is possible which relates aircraft to skyrocket, the pipeline to highways, cars to workplace constructions. The major problem related to welding is the occurrence of crack at high temperatures during solidification. Sulphide stress corrosion cracking is a major problem to be analysed during pipeline girth welds. The crack occurs when the test stress level approaches 100%. The crack analysis is an important indicator that reflects the safety status in weld quality. It is also important to understand the severity of the crack formed which will help in improving the safety measures better. This will help in selecting the required materials and the proportion ratio which can handle more stress during testing. The paper is about introducing image processing techniques to analyse the crack region and perform segmentation of crack region.