Materials for extreme environments

S Eswarappa Prameela, TM Pollock, D Raabe… - Nature Reviews …, 2023 - nature.com
Materials for extreme environments can help to protect people, structures and the planet.
Extreme temperatures in aeroplane engines, hypervelocity micrometeoroid impacts on …

Dynamic tensile fracture of iron: Molecular dynamics simulations and micromechanical model based on dislocation plasticity

VV Pogorelko, AE Mayer - International Journal of Plasticity, 2023 - Elsevier
Molecular dynamics (MD) shows a difference in the mechanisms of fracture of iron under
uniaxial and isotropic tension. Uniaxial tension leads to the formation of a complex …

[HTML][HTML] A strategy to introduce multi-gradient structures into iron by explosive shock wave processing

J Hu, Y Jia, X Chen, J Zhang, Q **e, Y Yao - Journal of Materials Research …, 2023 - Elsevier
A strategy combining shock-induced phase transition, twins, and dislocations to produce a
multi-gradient structure in Fe is designed and proposed by the explosive processing …

Dynamics of stress waves in graded density impactors during the internal ballistic process

Y Zhou, Y Tan, R Zhang, Z Li, H Chen, J Bai… - Journal of Applied …, 2023 - pubs.aip.org
Quasi-isentropic loading and unloading, employing graded density impactors (GDIs) as
flyers in gas gun-driven plate impact experiments, can provide novel and valuable insights …

Analysis of shear localization in viscoplastic solids with pressure-sensitive structural transformations

JD Clayton - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
Localization, in the form of adiabatic shear, is analyzed in viscoplastic solids that may
undergo structural transformation driven by pressure, shear stress, temperature, and …

Modeling magnetic field and strain driven phase transitions and plasticity in ferrous metals

JD Clayton, HA Murdoch, JT Lloyd… - ZAMM‐Journal of …, 2024 - Wiley Online Library
A finite strain continuum theory is advanced for static and dynamic simulations of material
response under combined mechanical and magnetic fields. The general thermomechanical …

Comprehensive analysis of FeMn powder fabricated using ultrasonic atomization technique

SA Khan, MRV Sereshk, BD Nelson - Powder Technology, 2025 - Elsevier
Ultrasonic atomization (UA) machines have recently been developed and presented to the
market, leading to the need for understanding the characteristics of the produced powders …

[PDF][PDF] Numerical Models for Constitutive Behaviors of Ferrous Metals

JD Clayton, JT Lloyd - 2023 - apps.dtic.mil
Ferrous metals include iron (Fe), steels, and other Fe-based alloys. When subjected to large
mechanical forces, these materials demonstrate a variety of deformation mechanisms …

Methods for Microstructure Modeling and Phase Field Simulations of Fracture

RB Leavy, JD Clayton, JP Ligda, J Knap - 2023 - apps.dtic.mil
Tools for modeling fracture and other structural transformation processes in polycrystalline
materials are developed. Methods for construction of 3-D realizations of polycrystalline …

Strategies for manipulating shock waves using metallurgical metamaterials

B Fagan, J Bennion, D Magagnosc, D Field… - AIP Conference …, 2024 - pubs.aip.org
Recent research has shown the potential for exploiting volume reduction during phase
transformations to manipulate shock waves. Volume-changing phase transformation in …