Auxetic behavior and other negative thermomechanical properties from rotating rigid units

JN Grima-Cornish, D Attard, JN Grima… - physica status solidi …, 2022 - Wiley Online Library
Auxetics display the anomalous property of expanding laterally when uniaxially stretched,
that is, a negative Poisson's ratio, a property that arises from 1) the presence of specific …

Boron Arsenate Scaled‐Up: An Enhanced Nano‐Mimicking Mechanical Metamaterial

JN Grima-Cornish, D Attard, L Vella-Żarb… - … status solidi (b), 2022 - Wiley Online Library
Novel mechanical metamaterials inspired by single crystal boron arsenate built at the
macroscale using conventional materials are presented and investigated through finite …

[HTML][HTML] Boron arsenate and its pressure-dependent auxetic properties

JN Grima-Cornish, L Vella-Żarb, JN Grima, KE Evans - APL Materials, 2022 - pubs.aip.org
The mechanical properties of single crystals boron arsenate, BAsO 4, are simulated through
density functional theory simulations over a wide range of pressures from− 10 to+ 90 GPa. It …

Shearing deformations of β-cristobalite-like boron arsenate

JN Grima-Cornish, L Vella-Żarb, KW Wojciechowski… - Symmetry, 2021 - mdpi.com
Boron arsenate, BAsO4, is crystalline material (I 4¯ group) that was recently shown to be
auxetic in its (001) plane for loading in any direction in this plane, and, which exhibits …

A DFT-Based Quantitative and Geometric Analysis of the Effect of Pressure on Boron Arsenate

JN Grima-Cornish, L Vella-Żarb, JN Grima, KE Evans - Materials, 2022 - mdpi.com
Boron arsenate, BAsO4, is a β-cristobalite-like crystal which has been reported to exhibit the
rather unusual property of negative linear compressibility behaviour at elevated pressures …

Fine‐Tuning of Elastic Properties by Modifying Ordering of Parallel Nanolayer Inclusions in Hard Sphere Crystals

JW Narojczyk, J Smardzewski, P Kędziora… - … status solidi (b), 2024 - Wiley Online Library
It is known that changes on the microscopic, structural level of materials exert changes on
their macroscopic properties, in particular elastic ones. This approach can be used to alter …

On Wrist and Forearm Pain Experienced by Rowers: Can Mechanical Metamaterials Make Rowing and Coastal Rowing Safer?

JN Grima, D Cerasola, JN Grima‐Cornish… - … status solidi (b), 2024 - Wiley Online Library
On‐water rowing is a sport where participants make extensive, powerful, and complex
repetitive movements with their wrists to pull and feather (twist) the oar. Herein, the aim is to …

Handles with Reentrant Cells for Use as Oar Handles: Design Considerations, Physical Characteristics, and End‐Users' Perceptions

JN Grima‐Cornish, D Attard, A Gatt… - … status solidi (b), 2024 - Wiley Online Library
Rowing is a sport that requires athletes to perform the action of pulling and rotating an oar by
hand, applying forces of considerable magnitude. Herein, inspired by the notion that auxetic …