Phase-field method, as a powerful and popular approach to predict the mesoscale
microstructure evolution in various materials science, provides a bridge from atomic-scale …

Shape memory alloys (SMAs) have been widely employed in many engineering fields due
to their unique functional properties, such as super-elasticity, elastocaloric effect, and shape …

Abstract Precipitation of Ni 4 Ti 3 is effective in tuning martensitic transformations (MTs) in
NiTi shape memory alloys (SMAs). However, several fundamental issues concerning the …

Porous metals are lightweight and multi-functional at the expense of strength and ductility,
requiring post-heat treatment to elevate mechanical properties. In this study, we report …

A coupling between phase transformation and viscoplasticity is observed in HTSMAs during
actuation. The dislocations generated and retained phases accumulated are responsible for …

Strain glass is a new strain state discovered recently in ferroelastic systems that is
characterized by nanoscale martensitic domains formed through a freezing transition. These …

Four-dimensional scanning transmission electron microscopy, coupled with a wide array of
data analytics, has unveiled new insights into complex materials. Here, we introduce a …

ZrCu-based shape memory alloys (SMAs) are regarded as emerging smart materials with
high phase transformation temperatures. However, unfavorable thermal stability and poor …

NiTiCuZr shape memory alloys (SMA) outperform ternary and binary SMA alloys in terms of
functional fatigue and higher temperature performance due to their high cyclic stability and …

NiTiHf alloys are high temperature Shape Memory Alloys (SMAs) suitable for actuation
applications in a wide range of temperatures. Aging heat treatments in NiTiHf SMAs cause …