Polymer Materials Failure Analyst, Vollmer-Gray Engineering Laboratories (June 2023 to present): Material and mechanical engineering failure analysis including plastics, composites, elastomers and metals. Mechanical, analytical, chemical and environmental testing of materials. Water system component failure analysis. Paint and protection coatings failure analysis and testing.
Graduate Research Assistant, Missouri University of Science and Technology-Rolla, Missouri, (May 2018 to May 2023)
Bainite Evolution and Control Hot Rolling, Kent D. Peaslee Steel Manufacturing Research Center, July 2022 – May 2023.
Hot Rolling Material Flow Analysis and Optimization, Kent D. Peaslee Steel Manufacturing Research Center, May 2021 – June 2022.
Performance Evaluation of Composite Sandwich Structures with Additively Manufactured Aluminum Honeycomb Cores, Spirit AeroSystems, December 2021 – May 2023.
Development of Material Models for Additively Manufactured Metal Solid Structures, Missouri S&T, May 2021 – May 2023.
A Multiphysics Analysis Tool for Autoclave Processing of Composite Parts (MATAPro), Intelligent Automation, Inc. and DOD-SBIR, September 2021 – January 2022
Rapid Development of Next Generation Ultra high Strength and Lightweight Steels, DEVCOM Army Research Laboratory, August 2020 – May 2023.
Tool Part Interaction and Warpage Study of Additively Manufactured Molds, Impossible Objects, May 2020 – May 2023.
Additively Manufactured Carbon Fiber- reinforced Thermoplastic Composite Mold Plates for Injection Molding Process, Impossible Objects, December 2019 – May 2023.
Soy-Based Structural Insulated Panels for Energy Efficient Housing, USDA-NIFA-SBIR, May 2019 – May 2020.
Microwave Curing of Carbon-fibre Composites, Naval Air Systems Command, May 2018 – May 2023.
Graduate Research Fellowship, Missouri University of Science and Technology-Rolla (2019 to 2023)
Graduate Teaching Fellowship, Missouri University of Science and Technology-Rolla (2020 to 2023)2018 to May 2023)
S.K. Dasari, S. Ganguly, A. Abutunis, K. Chandrashekhara, M.F. Buchely, S. N. Lekakh, R. J. O’Malley and T. Natarajan, “Implementation of Experimental Static Recrystallization of High Strength Steel into Computational Simulation of Multi-pass Slab Hot Rolling,” Metals and Materials International (Accepted for publication).
S.K. Dasari, M. Rangapuram, O. Fashanu, K. Chandrashekhara, N. Iyyer, and N. Phan, “Manufacturing and Experimental Evaluation of Microwave Cured Carbon/Epoxy Composites,” Applied Composite Materials Journal, vol. 28, pp. 2087-2103, 2021.
S.K. Dasari, M. Rangapuram, and K. Chandrashekhara, “Multiphysics Prediction Model of Microwave Curing for Thick Polymer Composites,” Proceedings of the Composites and Advanced Materials Expo (CAMX) Conference, Anaheim, CA, September 23-26, 2019.
S.K. Dasari, M.F. Buchely, K. Chandrashekhara, S. N. Lekakh and R. J. O’Malley, “Modeling Void Closure using Hydrostatic Integration Parameter for Steckel Mill Rolling of Steel Plate,” (Intended for submission in Steel Research International).
S.K. Dasari, H. A. Haffner, M.F. Buchely, K. Chandrashekhara, S. N. Lekakh and R. J. O’Malley, “Modeling and Simulation of Damage Initiation of 15V38 Steel for Round-to-Round Bar and Square-to- Round Bar Hot Rolling Processes,” (Intended for submission in Journal of Manufacturing process).
S.K. Dasari, M.F. Buchely and K. Chandrashekhara “Estimation and Verification of Johnson-Cook Failure Model Parameters for AISI 4340 Q&T Steel by Uniaxial Tensile Tests at Medium Strain Rates using Finite Element Analysis” (Intended for submission in Finite elements in Analysis and Design).
M. Rangapuram, S. K. Dasari, S. P. Isanaka, M. F. Buchely, J. W. Newkirk and K. Chandrashekhara, "Calibration of the Johnson-Cook Material Model for Additively Manufactured 304L SS Parts: Modeling and Experiments,” Solid Freeform Fabrication 2022: Proceedings of the 33rd Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference, 2022.
C. Bivens, A. Wood, D. Ruble, M. Rangapuram, S. K. Dasari, K. Chandrashekhara, and J. DeGrange “Additively Manufactured Carbon Fiber-reinforced Thermoplastic Composite Mold Plates for Injection Molding Process,” (Submitted to the Applied Composite Materials Journal- In review).
M. Rangapuram, S. K. Dasari, J. W. Newkirk, K. Chandrashekhara, H. Misak, P. R. Toivonen, D. Klenosky, U. Tanner, and J. Sam, “Performance Evaluation of Composite Sandwich Structures with Additively Manufactured Aluminum Honeycomb Cores with Increased Bonding Surface Area,” (submitted to the Journal of Polymer Composites)
M. Rangapuram, S. K. Dasari, H. Haffner, S. P. Isanaka, M. F. Buchely, J. W. Newkirk and K. Chandrashekhara, “Investigation of Build Direction on Johnson-Cook Model for Additively Manufactured 304L Stainless Steel: Modeling and Experiments,” (to be submitted to the International Journal of Advanced Manufacturing Technologies)
Calibration of the Johnson-Cook Material Model for Additively Manufactured 304L SS Parts: Modeling and Experiments, Solid Freeform Fabrication 2022: Proceedings of the 33rd Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference, 2022.
Multiphysics Prediction Model of Microwave Curing for Thick Polymer Composites, Proceedings of the Composites and Advanced Materials Expo (CAMX) Conference, Anaheim, CA, September 23-26, 2019.
