The response of dislocations, low angle grain boundaries and high angle grain boundaries at high strain rates

Q Liu, L Fang, Z Xiong, J Yang, Y Tan, Y Liu… - Materials Science and …, 2021 - Elsevier
As a most widely applied structure material, the deformed characteristics of steels primarily
presented the adiabatic shear band (ASB) formation and phase transitions, instead of its …

Understanding of adiabatic shear band evolution during high-strain-rate deformation in high-strength armor steel

MC Jo, S Kim, DW Kim, HK Park, SS Hong… - Journal of Alloys and …, 2020 - Elsevier
The microstructural evolution and formation mechanism of adiabatic shear band (ASB) in a
high-strength armor steel were investigated using a laboratory-scale split Hopkinson …

Coupling grain boundary motion to shear deformation

JW Cahn, Y Mishin, A Suzuki - Acta materialia, 2006 - Elsevier
Molecular dynamics (MD) simulations confirm that normal grain boundary (GB) motion must
often be coupled to tangential translation of grains and will then produce shear deformation …

Study of grain boundary orientation gradients through combined experiments and strain gradient crystal plasticity modeling

N Pai, A Prakash, I Samajdar, A Patra - International Journal of Plasticity, 2022 - Elsevier
A combined experimental and strain gradient crystal plasticity framework is presented for
studying the development of orientation and misorientation gradients at the grain …

Development of adiabatic shearing bands in 7003-T4 aluminum alloy under high strain rate impacting

X Wu, L Li, W Liu, S Li, L Zhang, H He - Materials Science and Engineering …, 2018 - Elsevier
This study details an investigation about the formation and development of adiabatic
shearing bands (ASB) in 7003-T4 aluminum alloy under high strain rate impacting. The …

Adiabatic shear banding in AISI 1045 steel during high speed machining: mechanisms of microstructural evolution

CZ Duan, LC Zhang - Materials Science and Engineering: A, 2012 - Elsevier
This paper presents an in-depth investigation into the formation mechanisms and
microstructures of adiabatic shear bands (ASBs) in hardened AISI 1045 steel induced by …

Inelastic microstructural failure mechanisms in crystalline materials with high angle grain boundaries

MA Zikry, M Kao - Journal of the Mechanics and Physics of Solids, 1996 - Elsevier
Microstructurally-induced failure mechanisms in crystalline materials with coincident site-
lattice (CSL) high angle grain boundaries (GBs) have been investigated. A multiple-slip rate …

Temperature increases and thermoplastic microstructural evolution in adiabatic shear bands in a high-strength and high-toughness 10 wt.% Ni steel

SI Baik, RK Gupta, KS Kumar, DN Seidman - Acta Materialia, 2021 - Elsevier
Abstract A 10 wt.% nickel-steel has been developed for high pressures and low-temperature
applications, due to its high strength, excellent toughness, and low ductile-to-brittle transition …

[HTML][HTML] Transition of dominant deformation mode in bulk polycrystalline pure Mg by ultra-grain refinement down to sub-micrometer

R Zheng, JP Du, S Gao, H Somekawa, S Ogata, N Tsuji - Acta Materialia, 2020 - Elsevier
Magnesium (Mg) and its alloys usually show relatively low strength and poor ductility at
room temperature due to their anisotropic hexagonal close-packed (HCP) crystal structure …

Effect of subgrain and the associated DRX behaviour on the texture modification of Mg-6.63 Zn-0.56 Zr alloy during hot tensile deformation

J Shen, L Zhang, L Hu, Y Sun, F Gao, W Liu… - Materials Science and …, 2021 - Elsevier
The individual effect of DRXed grains, subgrains and deformed grains on the basal texture
of Mg–Zn–Zr alloy during hot tensile deformation was systematically studied by extracting …