Phonons and anomalous thermal expansion behaviour in crystalline solids

R Mittal, MK Gupta, SL Chaplot - Progress in Materials Science, 2018 - Elsevier
Anomalous thermal expansion behaviour of several open frame-work compounds has been
extensively investigated using the techniques of inelastic neutron scattering and lattice …

Giant uniaxial negative thermal expansion in FeZr2 alloy over a wide temperature range

M Xu, Q Li, Y Song, Y Xu, A Sanson, N Shi… - Nature …, 2023 - nature.com
Negative thermal expansion (NTE) alloys possess great practical merit as thermal offsets for
positive thermal expansion due to its metallic properties. However, achieving a large NTE …

Synergistically program thermal expansional and mechanical performances in 3D metamaterials: design-architecture-performance

K Wang, J Chen, Z Han, K Wei, X Yang, Z Wang… - Journal of the …, 2022 - Elsevier
Metamaterials, incorporating specific micro-architectures, could be purposely customized to
export the programmability in both thermal expansional and mechanical performances …

Structural fatigue and fracture of shape memory alloy actuators: Current status and perspectives

MM Hasan, T Baxevanis - Journal of Intelligent Material …, 2022 - journals.sagepub.com
Shape Memory Alloy (SMA)-actuators are efficient, simple, and robust alternatives to
conventional actuators when a small volume and/or large force and stroke are required. The …

Strain states and unique properties in cold-rolled TiNi shape memory alloys

Q Liang, S Zhao, C Liang, T Zhao, D Wang, X Ding… - Acta Materialia, 2022 - Elsevier
Martensitic transformation (MT), strain glass transition (SGT) and the corresponding stress-
strain responses in cold-rolled Ti 49.2 Ni 50.8 shape memory alloys (SMAs) at various …

Mechanical properties of Invar 36 alloy additively manufactured by selective laser melting

K Wei, Q Yang, B Ling, X Yang, H Xie, Z Qu… - Materials science and …, 2020 - Elsevier
Invar 36 alloy is widely used in aerospace engineering, owing to its extremely low coefficient
of thermal expansion. This work aims to explore the underlying influence of process …

Temperature-dependent mechanical properties and elastocaloric effects of multiphase nanocrystalline NiTi alloys

Z Deng, K Huang, H Yin, Q Sun - Journal of Alloys and Compounds, 2023 - Elsevier
We investigate the temperature-dependent mechanical properties and elastocaloric effects
of different multiphase nanocrystalline NiTi alloys with grain sizes of 10 nm, 15 nm, 20 nm …

In-situ X-ray computed tomography tensile tests and analysis of damage mechanism and mechanical properties in laser powder bed fused Invar 36 alloy

Q Yang, S Yang, S Ma, J Zhou, Y Zhou, R Huang… - Journal of Materials …, 2024 - Elsevier
Laser powder bed fusion (LPBF) is a potential additive manufacturing process to
manufacture Invar 36 alloy components with complicated geometry. Whereas it inevitably …

Effects of grain size on fatigue crack growth behaviors of nanocrystalline superelastic NiTi shape memory alloys

J Chen, H Yin, Q Sun - Acta materialia, 2020 - Elsevier
The grain size (GS) dependence of fatigue crack growth in nanocrystalline superelastic NiTi
shape memory alloys (SMAs) with the average GS of 10, 30, 60 and 235 nm is investigated …

Bifunctional metamaterials incorporating unusual geminations of Poisson's ratio and coefficient of thermal expansion

Z Han, X Xiao, J Chen, K Wei, Z Wang… - … Applied Materials & …, 2022 - ACS Publications
Natural materials overwhelmingly shrink laterally under stretching and expand upon
heating. Through incorporating Poisson's ratio and coefficient of thermal expansion (PR and …