Hrishikesh Das

Battelle, Pacific Northwest National Laboratory

Papers

Total Citations

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About

Dr. Hrishikesh Das is a materials engineer specializing in the advanced manufacturing and processing of lightweight aluminum alloys for automotive and aerospace applications. His research centers on enhancing the local formability of high-strength 6xxx and 7xxx series aluminum alloy sheets—materials prized for their strength but notoriously difficult to shape without cracking. Dr. Das’s major contribution lies in pioneering the use of friction stir processing (FSP) as a targeted, thermomechanical technique to improve ductility in these alloys. His seminal 2022 paper, "Improving local formability of 6xxx and 7xxx aluminum alloy sheets using friction stir processing," has garnered 7 citations, establishing a foundational method for localized property enhancement. More recently, his 2025 work on high-speed robotic friction stir processing of 6111-T6 aluminum demonstrates a scalable, industrial-ready approach to achieving similar improvements. By enabling complex forming operations without global heat treatment, Dr. Das’s research directly addresses a critical bottleneck in lightweight vehicle manufacturing, offering a path to more fuel-efficient designs. His work is notable for bridging fundamental materials science with practical, high-throughput manufacturing solutions.