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Aparna Alleshwaram
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Proceedings Papers

Further Validation of the Technical Basis of Code Case N-838 for Flaw Tolerance Evaluation of CASS Piping

Timothy J. Griesbach, Dilip Dedhia, David O. Harris, Nathaniel G. Cofie, Aparna Alleshwaram, Kyle Amberge
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A008, July 19–23, 2015
Paper No: PVP2015-45191
DOI: https://doi.org/10.1115/PVP2015-45191
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Topics: Pipes, Fracture toughness, Fracture (Materials), Fracture mechanics, ASME Standards, Ferrites (Magnetic materials), Flow (Dynamics), High temperature, Stainless steel, Temperature
Proceedings Papers

Industry’s First NRC Approved Appendix L Flaw Tolerance Evaluation to Manage Fatigue in a Surge Line

Timothy D. Gilman, Aparna Alleshwaram, Tirumani Satyan-Sharma
Proc. ASME. PVP2015, Volume 1A: Codes and Standards, V01AT01A033, July 19–23, 2015
Paper No: PVP2015-45194
DOI: https://doi.org/10.1115/PVP2015-45194
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Topics: Fatigue, Surges, Inspection, Fracture (Materials), ASME Standards, Licensing, Nuclear power stations, Piping systems, Stainless steel, Tolerance analysis
Proceedings Papers

The Influence of Flow Strength and Fracture Toughness on the Computed Reliability of Thermally Aged Grade CF-8M Cast Austenitic Stainless Steel Piping

Timothy J. Griesbach, Dilip Dedhia, David O. Harris, Nathaniel G. Cofie, Kyle Amberge, Aparna Alleshwaram
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A052, July 20–24, 2014
Paper No: PVP2014-28089
DOI: https://doi.org/10.1115/PVP2014-28089
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Topics: Flow (Dynamics), Fracture toughness, Pipes, Reliability, Stainless steel, Probability, Fracture (Materials), Failure, Electromagnetic scattering, Fracture mechanics
Proceedings Papers

Effectiveness of Excavate and Weld Repair on a Large Diameter Piping Dissimilar Metal Weld by Finite Element Analysis

Francis H. Ku, Pete C. Riccardella, Aparna Alleshwaram, Eric Willis
Proc. ASME. PVP2012, Volume 6: Materials and Fabrication, Parts A and B, 1237-1244, July 15–19, 2012
Paper No: PVP2012-78618
DOI: https://doi.org/10.1115/PVP2012-78618
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Topics: Finite element analysis, Maintenance, Metals, Pipes, Residual stresses, Stress, Alloy steel, Nozzles, Pressurized water reactors, Stainless steel