Harnessing pseudoelasticity in SMA-based negative stiffness mechanical metamaterials for superior strength and recoverability

Key Points

• This research examines the role of pseudoelasticity in enhancing the performance of negative stiffness mechanical metamaterials.
• Analysis of pseudoelastic behavior in shape memory alloys (SMA)
• Investigation of mechanical properties of metamaterials under stress
• Evaluation of energy dissipation mechanisms
• Enhanced strength and recoverability observed in mechanical metamaterials
• Effective energy dissipation revealed under impact conditions
• Increased performance compared to conventional elastic designs and buckling structures