Carbide-facilitated nanocrystallization of martensitic laths and carbide deformation in AISI 420 stainless steel during laser shock peening
C Wang, K Luo, J Wang, J Lu - International Journal of Plasticity, 2022 - Elsevier
Severe plastic deformation (SPD) techniques such as laser shock peening (LSP) have been
widely adopted to modify microstructure of materials. Understanding the plastic deformation …
widely adopted to modify microstructure of materials. Understanding the plastic deformation …
On amorphization as a deformation mechanism under high stresses
In this paper we review the work related to amorphization under mechanical stress. Beyond
pressure, we highlight the role of deviatoric or shear stresses. We show that the most recent …
pressure, we highlight the role of deviatoric or shear stresses. We show that the most recent …
Failure mechanisms of ceramics under quasi-static and dynamic loads: Overview
S Bavdekar, G Subhash - Handbook of damage mechanics: nano to macro …, 2022 - Springer
In the last few decades, a variety of brittle materials (ceramics and glasses) have found new
applications in the armor, nuclear and semiconductor, and energy storage industries …
applications in the armor, nuclear and semiconductor, and energy storage industries …
Experimental observations of amorphization in stoichiometric and boron-rich boron carbide
Boron carbide is extremely hard but has been shown to undergo stress-induced
amorphization when subjected to large nonhydrostatic stresses. This localized …
amorphization when subjected to large nonhydrostatic stresses. This localized …
A thermo-elastic-plastic phase-field model for simulating the evolution and transition of adiabatic shear band. Part I. Theory and model calibration
Adiabatic shear band (ASB) is an important failure mode of solid materials, especially for
metal materials under high strain rate loading. In this study, a thermo-elastic-plastic phase …
metal materials under high strain rate loading. In this study, a thermo-elastic-plastic phase …
A thermo-elastic-plastic phase-field model for simulating the evolution and transition of adiabatic shear band. Part II. Dynamic collapse of thick-walled cylinder
In Part I, a thermo-elastic-plastic phase-field model is established for describing the
adiabatic shear band (ASB) in metal materials. In this Part II, the developed model is used to …
adiabatic shear band (ASB) in metal materials. In this Part II, the developed model is used to …
Directional amorphization of covalently-bonded solids: A generalized deformation mechanism in extreme loading
Shock compression subjects materials to a unique regime of high quasi-hydrostatic pressure
and coupled shear stresses for durations on the order of 1–10 nanoseconds for laser-driven …
and coupled shear stresses for durations on the order of 1–10 nanoseconds for laser-driven …
Failure modeling and sensitivity analysis of ceramics under impact
A Bhattacharjee, A Bhaduri… - Journal of …, 2021 - asmedigitalcollection.asme.org
A micromechanical multi-physics model for ceramics has been recalibrated and used to
simulate impact experiments with boron carbide in abaqus. The dominant physical …
simulate impact experiments with boron carbide in abaqus. The dominant physical …
A continuum damage-based three-dimensional fracture simulation method for brittle-like materials
B Sun, ZD Xu - International Journal of Damage Mechanics, 2022 - journals.sagepub.com
Current numerical methods cannot simulate well three-dimensional (3D) fracture process of
solids. In order to study 3D fracture process of brittle-like materials and improve crack growth …
solids. In order to study 3D fracture process of brittle-like materials and improve crack growth …
Models for the behavior of boron carbide in extreme dynamic environments
KT Ramesh, L Graham‐Brady… - Journal of the …, 2022 - Wiley Online Library
We describe models for the behavior of hot‐pressed boron carbide that is subjected to
extreme dynamic environments such as ballistic impact. We first identify the deformation and …
extreme dynamic environments such as ballistic impact. We first identify the deformation and …