Durga Pechetti
Phd Scholar @Indian Institute of Technology, Madras
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WORK HISTORY
Phd Scholar @Indian Institute of Technology, Madras
Chennai, IN
Investigating synergistic cavitation and silt erosion mechanisms causing premature failure in hydroturbine components.Designed, developed, commissioned, and characterized a novel accelerated synergistic cavitation and silt erosion wear test facility (Patent Pending: 20••••••••86) to replicate operational conditions.Developing and optimizing advanced protective coatings using HVOF, HVAF (Cermets), Cold Spray (Polymers), and Laser Cladding (High Entropy Alloys - HEAs).Conducting comprehensive erosive wear performance evaluation and material characterization using SEM, EDX, XRD, Profilometry, Hardness testing, etc.Contributed to securing and managing sponsored research projects from CPRI and SJVN, including grant proposal writing and technical reporting.
EDUCATION
Niharika Institute of Computational Engineering
Computational Science
Sri Chaitanya
12, Mathematics, Physics, Chemistry
IIT Bhubaneswar
Bachelor of Technology (B.Tech.), Mechanical Sciences
Indian Institute of Technology, Madras
Doctor of Philosophy - PhD, Study of combined cavitation and silt erosion of materials used in hydroturbines
St Ignatius English Medium School
High School
SKILLS
ABOUT DURGA PECHETTI
Final year interdisciplinary MS+PhD scholar at IIT Madras, bridging Mechanical Engineering with Metallurgical & Materials Engineering. My research tackles a critical challenge in the hydropower industry: the significant lifespan reduction and efficiency loss (~8-10%,~2500 MW annually) in hydroturbines caused by the complex synergistic effects of cavitation and silt erosion.To address this, I designed, fabricated, and commissioned a novel accelerated wear test facility (Indian Patent App. No. 20••••••••86) capable of simulating these combined degradation mechanisms under controlled laboratory conditions. This unique setup provides a crucial platform for understanding synergistic wear and evaluating protective material solutions.My work involves developing and evaluating the performance of diverse advanced coatings, including WC-CoCr and CrC-NiCr (via HVOF/HVAF), functional polymers, polyurethane, n-silica, n-AlN and n-alumina composite (via Cold Spray), and cutting-edge High Entropy Alloys (via Laser Cladding). This involves optimizing deposition processes and conducting rigorous characterization.Proficient in wear testing methodologies, advanced material characterization techniques (SEM, EDX, Profilometry, Hardness), surface engineering principles, and relevant simulation tools (ANSYS, Thermo-Calc). Passionate about applying materials science principles to solve real-world engineering problems, particularly in sustainable energy systems. Eager to leverage my research experience and technical skills in a challenging postdoctoral or academic research role.
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