Nanoindentation investigation on the creep behavior of P92 steel weld joint after creep-fatigue loading

Z Gao, Y Song, Z Pan, J Chen, Y Ma - International Journal of Fatigue, 2020 - Elsevier
Using nanoindentation technology, the creep behavior of P92 steel welded joint that had
experienced creep-fatigue (CF) loading was studied at the nanoscale. In both as-welded …

[HTML][HTML] Investigating local strain rate sensitivity of the individual weld zone in the friction stir welded DP 780 steel

SC Han, UM Chaudry, JY Yoon, TS Jun - Journal of Materials Research …, 2022 - Elsevier
In this study, the effect of variable transverse speed (200 mm/min and 400 mm/min) on the
microstructure and mechanical properties of FSWed DP 780 steel was systematically …

Strain rate-dependent behaviors of mechanical properties of structural steel investigated using indentation and finite element analysis

NV Nguyen, TH Pham, SE Kim - Mechanics of Materials, 2019 - Elsevier
In this study, a series of experiments, which consist of constant strain rate indentation, and
optical microscope examination, and finite element analysis were performed to investigate …

DIC/DSI based studies on the local mechanical behaviors of HR3C/T92 dissimilar welded joint during plastic deformation

B Peng, M Zhang, D Ye - Materials Science and Engineering: A, 2022 - Elsevier
In this study, both the digital image correlation (DIC) and depth-sensing indentation (DSI)
measurements were performed to investigate the non-uniform local mechanical behaviors of …

Microstructure and strain rate sensitivity behavior of SM490 structural steel weld zone investigated using indentation

NV Nguyen, TH Pham, SE Kim - Construction and Building Materials, 2019 - Elsevier
In this study, a series of optical microscope examinations, constant loading rate indentation
(CLR), and creep indentation (CI) tests were performed on room temperature to investigate …

Identification of elastoplastic properties of materials with gradient residual stresses using a co-simulation method and nanoindentation experiments

K Wang, T Liao, J Xu, J Yang, P Wang, R Chen… - NDT & E …, 2023 - Elsevier
Nanoindentation technology has many advantages in the acquisition of elastoplastic
properties of certain small-scale materials (coatings, films, etc.) due to its small size and non …

On the microstructural evolution and room‐temperature creep behaviour of 9% Cr steel weld joint under prior creep–fatigue interaction

Y Song, F Qin, J Chen, Z Pan, X Huang… - Fatigue & Fracture of …, 2021 - Wiley Online Library
The high‐temperature creep–fatigue (CF) interaction on the service damage of P92 welded
joint was uncovered based on the evolution of local creep behaviour by nanoindentation …

An experimental study on stress relaxation behaviour of high strength steel wire: Microstructural evolution and degradation of mechanical properties

NV Nguyen, QA Vu, SE Kim - Construction and Building Materials, 2020 - Elsevier
In this study, a series of experiments including stress relaxation, nanoindentation, tension
loading experiments, and transmission electron microscope (TEM) examination were …

Nanoindentation characterization on the temperature-dependent fracture mechanism of Chinese 316H austenitic stainless steel under creep-fatigue interaction

Y Song, Z Pan, Y Li, W Jin, Z Gao, Z Wu, Y Ma - Materials Characterization, 2022 - Elsevier
Since the generation-IV nuclear reactors are aiming to operate at higher temperature, the
effect of temperature on the creep-fatigue fracture behavior of 316H austenitic stainless steel …

[HTML][HTML] Characterization of the cyclic softening and remaining creep behaviour of P92 steel weldment

W Zhang, X Wang, Z Kang, T Zhang, Y Jiang… - Journal of Materials …, 2021 - Elsevier
Different micro-regions of weldment are expected to present various cyclic softening
behaviours during creep–fatigue interaction (CFI), which has a significant influence on the …