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Journal Articles

Novel Tube Design for Superheater Heat Exchanger Enabled Via Additive Manufacturing

Vanshika Singh, S. S. Babu, M. M. Kirka, Anand Kulkarni
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2022, 144(4): 041407.
Paper No: PVT-22-1027
https://doi.org/10.1115/1.4054727
Published Online: June 24, 2022
View Article titled, Novel Tube Design for Superheater Heat Exchanger Enabled Via Additive Manufacturing
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Topics: Additive manufacturing, Computational fluid dynamics, Creep, Design, Flow (Dynamics), Particulate matter, Shapes, Superheaters, Flue gases, Geometry
Journal Articles

Sensitivity of Thermal Predictions to Uncertain Surface Tension Data in Laser Additive Manufacturing

J. Coleman, A. Plotkowski, B. Stump, N. Raghavan, A. S. Sabau, M. J. M. Krane, J. Heigel, R. E. Ricker, L. Levine, S. S. Babu
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. December 2020, 142(12): 122201.
Paper No: HT-19-1539
https://doi.org/10.1115/1.4047916
Published Online: October 5, 2020
View Article titled, Sensitivity of Thermal Predictions to Uncertain Surface Tension Data in Laser Additive Manufacturing
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Topics: Additive manufacturing, Fluid dynamics, Geometry, Lasers, Solidification, Surface tension, Temperature, Fluid mechanics, Computer simulation, Temperature gradient
Proceedings Papers

Development of Creep-Resistant, Alumina-Forming Ferrous Alloys for High-Temperature Structural Use

Y. Yamamoto, M. P. Brady, G. Muralidharan, B. A. Pint, P. J. Maziasz, D. Shin, B. Shassere, S. S. Babu, C.-H. Kuo
Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T04A003, April 3–5, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ETAM2018-6727
https://doi.org/10.1115/ETAM2018-6727
View Paper titled, Development of Creep-Resistant, Alumina-Forming Ferrous Alloys for High-Temperature Structural Use
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Topics: Alloys, Creep, High temperature, Design, Oxidation, Steam, Temperature, Corrosion, Energy / power systems, Specialty steels
Proceedings Papers

Grain Structure Refinement in Nickel Alloy Welds by Magnetic Arc Stirring

Steven L. McCracken, X. Yu, Y. C. Lim, D. F. Farson, S. S. Babu
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 1565-1577, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57681
https://doi.org/10.1115/PVP2011-57681
View Paper titled, Grain Structure Refinement in Nickel Alloy Welds by Magnetic Arc Stirring
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Topics: Cracking (Materials), Fracture (Process), Metals, Nickel, Nickel alloys, Solidification, Ultrasonic testing, Welded joints, Welding, Gas tungsten arc welding
Journal Articles

Optimizing Ultrasonic Additive Manufactured Al 3003 Properties With Statistical Modeling

C. D. Hopkins, P. J. Wolcott, M. J. Dapino, A. G. Truog, S. S. Babu, S. A. Fernandez
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011004.
https://doi.org/10.1115/1.4005269
Published Online: December 6, 2011
View Article titled, Optimizing Ultrasonic Additive Manufactured Al 3003 Properties With Statistical Modeling
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Topics: Additive manufacturing, Aluminum, Bonding, Failure, Fracture (Materials), Fracture (Process), Manufacturing, Oscillations, Shear (Mechanics), Statistical analysis
Proceedings Papers

Weld Metal Toughness: Sources of Variation

Marie A. Quintana, S. S. Babu, Jeff Major, Craig Dallam, Matthew James
Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 2, 599-608, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31402
https://doi.org/10.1115/IPC2010-31402
View Paper titled, Weld Metal Toughness: Sources of Variation
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Topics: Fracture toughness, Metals, Steel, Welding, Brittleness, Fracture (Materials), Fracture (Process), Gages, Impact testing, Materials properties