On ripplocations and the deformation of graphite

HO Badr, MW Barsoum - Carbon, 2023 - Elsevier
The micromechanism for the deformation of layered crystalline solids (LCSs) such as
graphite, mica, and the MAX phases has long been assumed to be basal dislocations alone …

Plastic deformation of B19'monoclinic martensite in NiTi shape memory alloys: HRTEM analysis of interfaces in martensite variant microstructures

O Molnárová, M Klinger, J Duchoň, H Seiner, P Šittner - Acta Materialia, 2023 - Elsevier
Martensite variant microstructures in grains of nanocrystalline NiTi shape memory wire
deformed in tensile test at room temperature up to 15% strain were analyzed in transmission …

Dynamic deformation mechanism in submicro-laminated copper with interlamellar graphene multilayers

Y Peng, G Luo, Y Hu, DB Xiong - Acta Materialia, 2023 - Elsevier
The plastic deformation of metals is usually sensitive to loading rates, and such rate-
dependent behaviors are influenced by various factors, among which inclusions especially …

Bend-Induced Ferroelectric Domain Walls in α-In2Se3

E Han, SM Nahid, T Rakib, G Nolan, PF Ferrari… - ACS …, 2023 - ACS Publications
The low bending stiffness of atomic membranes from van der Waals ferroelectrics such as α-
In2Se3 allow access to a regime of strong coupling between electrical polarization and …

Tribological and Mechanical Performance of Ti2AlC and Ti3AlC2 Thin Films

R Quispe, C Torres, L Eggert, GA Ccama… - Advanced …, 2022 - Wiley Online Library
Mn+ 1AXn (MAX) phases are novel structural and functional materials with a layered crystal
structure. Their unique properties such as good machinability, high electrical conductivity …

Mapping the structure and chemical composition of MAX phase ceramics for their high‐temperature tribological behaviors

H Yu, L Xue, Y Xue, H Lu, Y Liu, L Wang, CF Du… - Carbon …, 2024 - Wiley Online Library
MAX phase ceramics is a large family of nanolaminate carbides and nitrides, which
integrates the advantages of both metals and ceramics, in general, the distinct chemical …

[HTML][HTML] High temperature spherical nano-indentation of graphite crystals

TJ Marrow, I Šulak, BS Li, M Vukšić, M Williamson… - Carbon, 2022 - Elsevier
Nano-indentation at temperatures up to 600° C has been applied to the (0001) surface of
highly oriented pyrolytic graphite using a spherical diamond tip (∼ 10 μm diameter). Cross …

Interplay of mechanochemistry and material processes in the graphite to diamond phase transformation

BW Hamilton, TC Germann - The Journal of Physical Chemistry …, 2023 - ACS Publications
The manifestation of intramolecular strains in covalent systems is widely known to
accelerate chemical reactions and open alternative reaction paths. This process is …

Automated determination of grain boundary energy and potential-dependence using the OpenKIM framework

B Waters, DS Karls, I Nikiforov, RS Elliott… - Computational Materials …, 2023 - Elsevier
We present a systematic methodology, built within the Open Knowledgebase of Interatomic
Models (OpenKIM) framework (https://openkim. org), for quantifying properties of grain …

Basal dislocations in MAX phases: Core structure and mobility

G Plummer, MW Barsoum, CR Weinberger, GJ Tucker - Materialia, 2022 - Elsevier
The MAX phases, layered ternary carbides and nitrides, plastically deform via exclusively
basal slip systems. This constraint leads to their well-documented plastic anisotropy and …