Sanjoy Das: About the Author
Scientific Officer - Quality Assurance Division, Bhabha Atomic Research Centre
Sanjoy Das received Bachelor Degree in Metallurgical Engineering, B.E. (Met), from Jadavpur University, Kolkata. He joined Bhabha Atomic Research Centre (BARC) in 1996 (40th class of BARC Nuclear Eng. Training School). He is level-III in radiography method (RT III) and level-II in ultrasonic test (UT II). His areas of expertise include Industrial Radiography, Digital Signal Processing (DSP), Wavelet Analysis, and Digital Image Processing.
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Published Articles
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July/August 2016 Inspectioneering JournalBy Sanjoy Das at Bhabha Atomic Research Centre, and D. Mukherjee at Bhabha Atomic Research CentreThe structural integrity of components is controlled by material properties, the presence of flaws, and levels of applied stress. Several factors such as temperature, type of loading, toughness, corrosion resistance, micro-structural stability, cost...
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September/October 2013 Inspectioneering JournalBy Sanjoy Das at Bhabha Atomic Research Centre, D. Mukherjee at Bhabha Atomic Research Centre, and K.K. Abdulla at Bhabha Atomic Research CentreThe Modulation Transfer Function (MTF) is used in imaging science to assess the reliability of imaging systems to produce different spatial frequency. In digital radiography, it can be used to detect frequency responses of different inspection...
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November/December 2012 Inspectioneering JournalBy Sanjoy Das at Bhabha Atomic Research Centre, D. Mukherjee at Bhabha Atomic Research Centre, and S. Anantharaman at Bhabha Atomic Research Centre
Radiography technique is one of the most widely utilized non-destructive methods, used in industry to evaluate the structural integrity or find out the hidden details of an assembled structure. Since this method uses ionizing radiation, it is...
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November/December 2010 Inspectioneering JournalBy Sanjoy Das at Bhabha Atomic Research Centre, B.K. Shah at BARC, and D. Mukherjee at Bhabha Atomic Research Centre
Rapid industrial and technological growth throughout the world makes it necessary to develop new materials along with advanced Non-Destructive Testing (NDT) Methods to ensure their quality without premature failures. The complex modern system, where...
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January/February 2008 Inspectioneering JournalMost common radiographic practices for circumferential weld testing are single wall and double wall techniques with certain variations in technique details. Different Codes deal with the number of exposures required and applicability of the...
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July/August 2007 Inspectioneering JournalDegradation of materials with time during service is a common phenomenon for all engineering components. Hence periodic inspection is required to ensure structural integrity and availability for service. During in-service inspection (ISI), wall...
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July/August 2005 Inspectioneering JournalBy Sanjoy Das at Bhabha Atomic Research Centre, and B.K. Shah at BARC
Radiography is the most widely used volumetric examination technique for non-destructive evaluation of components, as it offers the advantage of direct viewing of the flaw image, judging the type of flaw and provides a permanent record. Flaw...
