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Dheepa Srinivasan
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Proceedings Papers

Small Volume Fatigue Testing of Additively Manufactured Hybrid IN718/XH67 and IN939 Ni Based Superalloys

Deepshree Awale, Naimish Shah, Dheepa Srinivasan, Nagamani Jaya Balila
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T17A026, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129621
https://doi.org/10.1115/GT2024-129621
View Paper titled, Small Volume Fatigue Testing of Additively Manufactured Hybrid IN718/XH67 and IN939 Ni Based Superalloys
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Topics: Additive manufacturing, Fatigue testing, Superalloys
Journal Articles

Effect of Build Geometry and Porosity in Additively Manufactured CuCrZr

Anup Kulkarni, Vivek C. Peddiraju, Subhradeep Chatterjee, Dheepa Srinivasan
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2024, 146(3): 031004.
Paper No: MATS-23-1026
https://doi.org/10.1115/1.4064003
Published Online: February 12, 2024
View Article titled, Effect of Build Geometry and Porosity in Additively Manufactured CuCrZr
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Topics: Geometry, Heat, Mechanical properties, Porosity, Zirconium, Additive manufacturing, Particulate matter, Density
Journal Articles

Microstructural Evolution and Room Temperature Mechanical Properties in Additively Manufactured Mar M 509 With Short Cycle Heat Treatment

Shreehard Sahu, Bikash Kumar, Siba Sundar Sahoo, Balila Nagamani Jaya, Dheepa Srinivasan
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2024, 146(1): 011007.
Paper No: MATS-23-1042
https://doi.org/10.1115/1.4063257
Published Online: September 14, 2023
View Article titled, Microstructural Evolution and Room Temperature Mechanical Properties in Additively Manufactured Mar M 509 With Short Cycle Heat Treatment
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Topics: Cycles, Heat treating (Metalworking), Mechanical properties, Temperature, Fracture (Materials), Additive manufacturing, Ductility, Grain boundaries, Heat, Fracture (Process)
Proceedings Papers

Effect of Heat Treatment on Structure and Properties of Laser Powder Bed Fusion Inconel 939

E. Nandha Kumar, K. S. Athira, Subhradeep Chatterjee, Dheepa Srinivasan
Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T02A003, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-93945
https://doi.org/10.1115/IAM2022-93945
View Paper titled, Effect of Heat Treatment on Structure and Properties of Laser Powder Bed Fusion Inconel 939
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Topics: Additive manufacturing, Heat treating (Metalworking), Lasers, Mechanical properties, Superalloys
Proceedings Papers

Effect of Build Geometry and Porosity in Additively Manufactured CuCrZr

Anup Kulkarni, Vivek C. Peddiraju, Subhradeep Chatterjee, Dheepa Srinivasan
Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T02A007, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-93986
https://doi.org/10.1115/IAM2022-93986
View Paper titled, Effect of Build Geometry and Porosity in Additively Manufactured CuCrZr
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Topics: Additive manufacturing, Geometry, Porosity
Proceedings Papers

Thermal Stability of Additively Manufactured Mar M 509

Shreehard Sahu, Bikash Kumar, Siba Sundar Sahoo, Balila Nagamani Jaya, Dheepa Srinivasan
Proc. ASME. IAM2022, 2022 International Additive Manufacturing Conference, V001T02A001, October 19–20, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IAM2022-91410
https://doi.org/10.1115/IAM2022-91410
View Paper titled, Thermal Stability of Additively Manufactured Mar M 509
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Topics: Additive manufacturing, Alloys, Corrosion resistance, Cycles, Dislocation density, Ductility, Elongation, Grain size, Heat, Heat treating (Metalworking)
Proceedings Papers

Microstructural Evolution Of LPBF AlSiMg – Effect Of Water Quenching Vs Furnace Cooling Vs Direct Aging

Dheepa Srinivasan, Dayananda Narayana
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T01A001, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-75837
https://doi.org/10.1115/GTINDIA2021-75837
View Paper titled, Microstructural Evolution Of LPBF AlSiMg – Effect Of Water Quenching Vs Furnace Cooling Vs Direct Aging
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Topics: Cooling, Furnaces, Heat treating (Metalworking), Quenching (Metalworking), Tensile strength, Water, Elongation, Heat, Stress, Additive manufacturing
Proceedings Papers

Microstructure, Residual Stress and Wear Behaviour of Additively Manufactured Materials: Cold Spray L605 and DMLD IN718 and Maraging Steel for Gas Turbine Fuel Nozzle Repair

Hariharan Sundaram, Dheepa Srinivasan, James Baummer
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T10A005, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2579
https://doi.org/10.1115/GTINDIA2019-2579
View Paper titled, Microstructure, Residual Stress and Wear Behaviour of Additively Manufactured Materials: Cold Spray L605 and DMLD IN718 and Maraging Steel for Gas Turbine Fuel Nozzle Repair
Open the PDF for Microstructure, Residual Stress and Wear Behaviour of Additively Manufactured Materials: Cold Spray L605 and DMLD IN718 and Maraging Steel for Gas Turbine Fuel Nozzle Repair in another window
Topics: Additive manufacturing, Coatings, Fuels, Gas turbines, Maintenance, Nozzles, Sprays, Steel, Stress, Wear
Proceedings Papers

Oxidation Coatings on Additively Manufactured CoCrMo

Sujith Somanatha Panicker, Dheepa Srinivasan
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T10A003, December 7–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2017-4613
https://doi.org/10.1115/GTINDIA2017-4613
View Paper titled, Oxidation Coatings on Additively Manufactured CoCrMo
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Topics: Additive manufacturing, Coatings, Oxidation, Alloys, Diffusion (Physics), Slurries, Spallation (Nuclear physics), Chemistry, Gas turbines, Heat treating (Metalworking)
Proceedings Papers

Study of Process Parameter and Powder Variability on the Properties and Recrystallization Behavior of Direct Metal Laser Sintered CoCrMo

Santhosh Kumar Rao Chandrasekara, Anigani Sudarshan Reddy, Dheepa Srinivasan, Durga Ananthanarayanan
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T10A004, December 7–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2017-4614
https://doi.org/10.1115/GTINDIA2017-4614
View Paper titled, Study of Process Parameter and Powder Variability on the Properties and Recrystallization Behavior of Direct Metal Laser Sintered CoCrMo
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Topics: Lasers, Metals, Recrystallization, Additive manufacturing, Density, Experimental design, Gas turbines, Heat, Maintenance, Sintering