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Design and Development of NiTi Shape Memory Alloy Belt for Waste Heat Energy Recovery System by Jayachandran Subbian; Sumeet Raikwar; Nanda Krishna Sindam; Mandivarapu Thikshan Madhav; Palani Iyamperumal Anand is a Engineering article available to read on EtoBox.

What is Design and Development of NiTi Shape Memory Alloy Belt for Waste Heat Energy Recovery System about?

The abundant waste thermal energy from various sources can be efficiently harvested using material-based technology. Shape memory alloy (SMA) is an efficacious material-based technology for recovering waste heat. In this work, the NiTi SMA bimorph belt has been fabricated in flash evaporation equipment using a customized substrate holder setup. The SMA bimorph belt has been developed with three different prestrain percentage of 1, 3, and 5%. The kapton polyimide substrate is prestrained using a tensile testing setup before the deposition. The actuation characteristics and material characterization of this bimorph belt with varying prestrain percentages have been analyzed. The prestrained bimorph belt with superior material properties and actuation characteristics is used for harnessing the waste heat energy. The actuation performance explored through plate heating reveals 5% prestrain in the bimorph has the maximum shape recovery ratio in both butterfly and cantilever configuration. The contact-based electrical actuation (Joule heating) showed a maximum deflection of 1 mm at 5% prestrain. The adhesion and composition of the bimorph are unaltered with varying prestrain percentage. T

Who reads Design and Development of NiTi Shape Memory Alloy Belt for Waste Heat Energy Recovery System?

Author

Jayachandran Subbian; Sumeet Raikwar; Nanda Krishna Sindam; Mandivarapu Thikshan Madhav; Palani Iyamperumal Anand

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Engineering (Physical Sciences)