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R. Akarapu
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Journal Articles

Welding of Alumina Using a Pulsed Dual-Beam CO 2 Laser

J. Harris, R. Akarapu, A. E. Segall
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2011, 133(1): 011001.
https://doi.org/10.1115/1.4003119
Published Online: January 5, 2011
View Article titled, Welding of Alumina Using a Pulsed Dual-Beam CO 2 Laser
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Topics: Fracture (Materials), Laser welding, Lasers, Welding, Carbon dioxide lasers, Ceramics, Separation (Technology), Thermal stresses, Welded joints
Proceedings Papers

A Finite Element-Boundary Integral Method for 3-D Electromagnetic Heating Analysis

Y. Huo, B. Q. Li, R. Akarapu
Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 819-825, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56392
https://doi.org/10.1115/HT-FED2004-56392
View Paper titled, A Finite Element-Boundary Integral Method for 3-D Electromagnetic Heating Analysis
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Topics: Absorption, Algebra, Algorithms, Computers, Dielectric materials, Electric fields, Electromagnetic induction, Engineering simulation, Food products, Heat conduction
Proceedings Papers

A 3-D Numerical Model for Ablation Phenomena and Thermal Stress Evolution During Laser Machining

R. Akarapu, B. Q. Li, A. E. Segall
Proc. ASME. HT2003, Heat Transfer: Volume 3, 189-198, July 21–23, 2003
Publisher: American Society of Mechanical Engineers
Paper No: HT2003-47298
https://doi.org/10.1115/HT2003-47298
View Paper titled, A 3-D Numerical Model for Ablation Phenomena and Thermal Stress Evolution During Laser Machining
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Topics: Ablation (Vaporization technology), Computer simulation, Lasers, Machining, Thermal stresses, Drilling, Laser cutting, Algorithms, Ceramics, Finite element methods
Journal Articles

Active Stressing and the Micromanipulation of Stress-States for Delaying Fracture During Unsupported Laser Cutting

R. Akarapu, A. E. Segall
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2008, 130(6): 061004.
https://doi.org/10.1115/1.2977824
Published Online: October 9, 2008
View Article titled, Active Stressing and the Micromanipulation of Stress-States for Delaying Fracture During Unsupported Laser Cutting
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Topics: Cutting, Engineering simulation, Failure, Fracture (Materials), Fracture (Process), Laser cutting, Lasers, Probability, Simulation, Stress
Proceedings Papers

Investigation of an Active Stressing Technique for Delaying Fracture During Laser Cutting of Alumina

R. Akarapu, A. E. Segall
Proc. ASME. IMECE2004, Manufacturing Engineering and Materials Handling Engineering, 173-179, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-61243
https://doi.org/10.1115/IMECE2004-61243
View Paper titled, Investigation of an Active Stressing Technique for Delaying Fracture During Laser Cutting of Alumina
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Topics: Fracture (Materials), Fracture (Process), Laser cutting
Journal Articles

Numerical Simulations of an Active-Stressing Technique for Delaying Fracture During Cutting of Alumina

R. Akarapu, A. E. Segall
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2006, 128(4): 921–927.
https://doi.org/10.1115/1.2335849
Published Online: March 2, 2006
View Article titled, Numerical Simulations of an Active-Stressing Technique for Delaying Fracture During Cutting of Alumina
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Topics: Cutting, Fracture (Materials), Fracture (Process), Lasers, Finite element analysis, Stress, Heating, Computer simulation
Journal Articles

Approximate Direct and Inverse Relationships for Thermal and Stress States in Thick-Walled Vessels Under Thermal Shock

A. E. Segall, R. Akarapu
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2007, 129(1): 52–57.
https://doi.org/10.1115/1.2389002
Published Online: February 28, 2006
View Article titled, Approximate Direct and Inverse Relationships for Thermal and Stress States in Thick-Walled Vessels Under Thermal Shock
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Topics: Convection, Cylinders, Finite element analysis, Laplace transforms, Stress, Temperature, Thermal shock, Thermoelasticity, Transients (Dynamics), Vessels