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Phased Array-Based Ultrasonic Testing of Explosively Welded Aluminium and Stainless Steel Plates

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Abstract

Phased array-based ultrasonic testing has emerged as a powerful tool in enhancing the understanding of soundness of joints, particularly for non-conventional joining techniques such as explosive welding. This technique is quite promising and provides a good co-relation between bonded and de-bonded regions in terms of different colours and varied intensities. In this paper, explosively welded stainless steel and aluminium joint was inspected with the help of phased array-based ultrasonic inspection technique. The experimental set-up as well as the inspection process using phased array technique has been discussed in detail. A-scan, B-scan and C-scan have been generated for the entire plate. The bonded regions and de-bonded area of the plate have been differentiated as well as recorded using the varied colours and their intensities in C-scans. The results of phased array confirmed the % bonded area for SS–Al combination to be more than 70%.

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Acknowledgements

The support from Terminal Ballistics Research Laboratory is greatly acknowledged. Authors are very thankful to Dr. Manjit Singh, Director, TBRL, Sec 30, Chandigarh, all the scientists, M.T. & Workshop of TBRL for their valuable support.

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Author notes

  1. Abhishek Upadhyay and Bir Bahadur Sherpa contributed equally to this work.

Authors and Affiliations

  1. Terminal Ballistics Research Laboratory (TBRL), Sector-30, Chandigarh, 160030, India

    Abhishek Upadhyay, Bir Bahadur Sherpa, Sandeep Kumar, Pal Dinesh Kumar, Niraj Srivastava & Arun Agarwal

  2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India

    Bir Bahadur Sherpa

  3. CSIR-Central Scientific Instruments Organisation (CSIR-CSIO) Campus, Sector-30, Chandigarh, 160030, India

    Bir Bahadur Sherpa

Authors
  1. Abhishek Upadhyay
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  2. Bir Bahadur Sherpa
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  3. Sandeep Kumar
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  4. Pal Dinesh Kumar
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  5. Niraj Srivastava
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  6. Arun Agarwal
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Correspondence to Abhishek Upadhyay.

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Upadhyay, A., Sherpa, B.B., Kumar, S. et al. Phased Array-Based Ultrasonic Testing of Explosively Welded Aluminium and Stainless Steel Plates. Trans Indian Inst Met 72, 1521–1525 (2019). https://doi.org/10.1007/s12666-019-01603-5

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  • DOI: https://doi.org/10.1007/s12666-019-01603-5

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