Auxetics display the anomalous property of expanding laterally when uniaxially stretched, that is, a negative Poisson's ratio, arises from 1) presence specific geometric features within nano/macrostructure material and 2) amenable deformations in response to applied stimulus. Herein, how ancient symmetrical esthetic artifacts have been transformed functional auxetics through mechanisms ripened ...

Duplex stainless steels (DSSS) have a microstructure composed of ferrite and austenite phases that gives them a very good combination of mechanical and corrosion properties. These steels are desirable for many applications in the chemical and petrochemical industries. In the present study, a type of stainless steel was cast, solution annealed at 1200°C for 60 min and then quenched in water. Ini...