Pre-strain and hydrogen charging effect on the plastic and fracture behavior of quenching and partitioning (Q&P) steel

HJ Kim, G Shin, J Park, MG Lee, KJ Kim, SC Yoon - Acta Materialia, 2024 - Elsevier
This study investigates the fracture behavior of plastically deformed quenching and
partitioning (Q&P) steel under hydrogen conditions. The experimental results from slow …

[HTML][HTML] Understanding the effect of deformation combined with heat treatment on age hardening of Al–Zn–Mg–Cu alloy AA7075

Z Ma, JD Robson - Materials Science and Engineering: A, 2023 - Elsevier
Abstract Al–Zn–Mg–Cu alloys obtain their exceptional high strength predominately relying
on precipitation. Deformation can influence the evolution of precipitation and may potentially …

Correlation between macroscopic necking and microscopic kink bands during quasi-static tension for a selective laser melted β-Ti alloy

Q **e, K Feng, W Wang, J Zhu, S Yin, M Liu… - Materials Science and …, 2025 - Elsevier
Macroscopic necking is of significant importance as it limits the ductility of materials. At the
microscopic level, deformation bands serve as indicators of strain localization. This study …

Mechanical behaviors and microstructure characteristics of W-tempered and peak-aged 7075 alloy sheets under low frequency vibration–assisted tension

Y Xu, X Zhuang, W Zhang, Q Li, Z Zhao - Materials Science and …, 2022 - Elsevier
Low frequency vibration–assisted forming (LFVF) with high excitation force and dynamic
response is beneficial because of the low load and high forming quality. To reveal the …

Bake hardening and uniaxial tensile behavior in a low carbon steel accompanying inhomogeneous plastic yielding

W Cho, BS Jeong, E Shin, S Park, J Jung, H Na… - Materials Science and …, 2022 - Elsevier
Bake hardening (BH) is a vital part of application-specific steel manufacturing. Previous
studies on BH have focused on steels undergoing homogeneous yielding, which critically …

Characterization of η′ Precipitates and Mn Dispersoids in Al–Zn–Mg–(Mn) Alloys Using Small-Angle Neutron Scattering and Electron Microscopy

DS Freiberg, B Ghaffari, KC Littrell… - … Materials Transactions A, 2024 - Springer
Abstract Three Al–Zn–Mg–(Mn) alloys with 0, 0.6, and 1.0 wt pct Mn were
thermomechanically processed from cast billets to wrought aluminum sheet using hot …

Yield point phenomenon induced by twinning accompanied by abnormal grain growth in fine-grained copper

BS Jeong, K Lee, S Park, W Cho, L Park… - Materials …, 2022 - jstage.jst.go.jp
In this study, an equiaxed fine-grained copper specimen was fabricated by powder injection
molding, followed by hot isostatic pressing. The specimen showed a yield point …

Investigation of deformation behaviour of uniaxially loaded sand grains using a novel high-resolution imaging apparatus and ensemble machine learning models

A Tophel, S Vogt, GV Ramana - International Journal of …, 2023 - Taylor & Francis
In geotechnical engineering, the time-dependent behaviour or ageing behaviour is vital for
applications such as earthwork compaction and liquefaction potential assessment. This …

Improved Ductility in an Artificially Aged Al-Zn-Mg Alloy with Mn Additions

DS Freiberg - 2024 - search.proquest.com
Further lightweighting of aluminum-intensive vehicle (AIV) body structures is of high priority
to increase vehicle range. 7000-series alloys can offer in-service strength levels of 500 MPa …

A study on the mechanical behavior of a steel accompanying yield point phenomenon

정병석 - 2024 - s-space.snu.ac.kr
Polycrystalline metallic materials typically exhibit a gradual transition from elastic to elastic-
plastic deformation, followed by necking. In contrast, materials displaying the yield point …