R
R. J. Pardikar
Researcher at Bharat Heavy Electricals
Publications - 8
Citations - 120
R. J. Pardikar is an academic researcher from Bharat Heavy Electricals. The author has contributed to research in topics: Time-of-flight diffraction ultrasonics & Ultrasonic testing. The author has an hindex of 5, co-authored 8 publications receiving 109 citations.
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Time of flight diffraction (tofd) technique for accurate sizing of surface breaking cracks
TL;DR: In this article, an experimental study for evaluation of TOFD technique for determination of size of the surface breaking cracks was conducted. But difficulty was experienced using TOFD to size defects extending less than about 2mm depth, due to the presence of the lateral wave which obscures the tip-diffracted signals from the defects close to the surface and also due to inherent lack of time resolution near the surface.
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Ultrasonic study for detection of inner diameter cracking in pipeline girth welds using creeping waves
TL;DR: In this article, the use of the creeping wave probes revealed the problem of detecting and sizing of the cracks in a pipeline girth weld in power plant equipment. But this is difficult to achieve with commonly used techniques employing standard ultrasonic transducers.
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Time-of-flight diffraction (TOFD) technique for accurate sizing of cracks embedded in sub-cladding
TL;DR: In this article, an experimental study for evaluation of the TOFD technique for determination of size of cracks embedded in sub-cladding was conducted. But the results were confined to simulated cracks (machined slits) underneath the cladding.
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Sizing of cracks embedded in sub-cladding using the ultrasonic synthetic aperture focusing technique (SAFT)
TL;DR: In this paper, the authors demonstrate the feasibility of the ultrasonic Synthetic Aperture Focusing Technique (SAFT) to obtain improved detection and sizing of vertical/inclined (10° and 15°) simulated cracks underneath different claddings.
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Ultrasonic sizing of embedded vertical cracks in ferritic steel welds
TL;DR: In this paper, a unique method has been developed for generating known sizes of fatigue cracks ranging from 2.5 to 18 mm in height and 15 mm in length, and these cracks were generated in rectangular steel specimens and subsequently embedded at predetermined locations using welding.