Creep-fatigue damage mechanisms and life prediction based on crystal plasticity combined with grain boundary cavity model in a nickel-based superalloy at 650° C
In this study, a dual-scale numerical procedure is developed to reveal the creep-fatigue
damage mechanisms and estimate the crack initiation life for notched structures made of …
damage mechanisms and estimate the crack initiation life for notched structures made of …
A physically-based constitutive model for a novel heat resistant martensitic steel under different cyclic loading modes: Microstructural strengthening mechanisms
K Song, K Wang, L Zhao, L Xu, N Ma, Y Han… - International Journal of …, 2023 - Elsevier
Cyclic responses of a novel heat resistant martensitic steel, 9Cr3Co3W1CuVNbB steel,
under different loading modes were studied to reveal its complex strengthening mechanisms …
under different loading modes were studied to reveal its complex strengthening mechanisms …
9–12% Cr heat-resistant martensitic steels with increased boron and decreased nitrogen contents
N Dudova - Metals, 2022 - mdpi.com
As a promising alloying approach, the modification of chemical composition by increasing
the B content and decreasing the N content has been applied to improve the creep …
the B content and decreasing the N content has been applied to improve the creep …
A continuum damage coupled unified viscoplastic model for simulating the mechanical behaviour of a ductile cast iron under isothermal low-cycle fatigue, fatigue …
M Bartošák, J Horváth - International Journal of Plasticity, 2024 - Elsevier
A novel continuum damage coupled unified viscoplastic model is used for simulating the
stress–strain responses of SiMo 4.06 cast iron under Low-Cycle Fatigue (LCF), fatigue …
stress–strain responses of SiMo 4.06 cast iron under Low-Cycle Fatigue (LCF), fatigue …
A general steady-state creep model incorporating dislocation static recovery for pure metallic materials
In this work, a mechanistic steady-state creep model is proposed for pure metallic materials
to characterize the evolution of macroscopic creep strain rate as a function of the testing …
to characterize the evolution of macroscopic creep strain rate as a function of the testing …
[PDF][PDF] 改进Logistic 蠕变应变预测模型及其有限元实现
周煜， 范志超， 姜恒， 王宇轩 - 机械工程学报, 2023 - qikan.cmes.org
提出一种针对蠕变全过程的改进Logistic 蠕变应变预测(Logistic creep strain prediction, LCSP)
模型, 减少模型参数数量并解决初始蠕变应变复数值问题, 结合加钒改进型2.25 Cr1Mo …
模型, 减少模型参数数量并解决初始蠕变应变复数值问题, 结合加钒改进型2.25 Cr1Mo …
A mechanism-based elasto-viscoplastic constitutive model for the creep deformation of martensitic heat-resistant steels
Purpose A physically-based elasto-viscoplastic constitutive model is proposed to examine
the size effects of the precipitate and blocks on the creep for martensitic heat-resistant steels …
the size effects of the precipitate and blocks on the creep for martensitic heat-resistant steels …
Effect of loading modes on uniaxial creep-fatigue deformation: a dislocation based viscoplastic constitutive model
K Song, L Xu, L Zhao, Y Han, N Ma, K Wang… - International Journal of …, 2024 - Elsevier
A comprehensive investigation was conducted on the stress-strain responses and
microstructural evolutions of 9Cr3Co3WCu martensitic steel at 650℃ subjected to low cycle …
microstructural evolutions of 9Cr3Co3WCu martensitic steel at 650℃ subjected to low cycle …
Intelligent fuzzy neural network modeling for flexible operation of combined heat and power plant with heat-power decoupling technology
G Hou, Y Fan, J Wang - Energy, 2024 - Elsevier
With large-scale renewable energy integrated into the grid, it is urgent to improve the
flexibility of thermal power plants to ensure the safe and stable operation of power grid. Heat …
flexibility of thermal power plants to ensure the safe and stable operation of power grid. Heat …
Combining crystal plasticity and electron microscopy to elucidate texture dependent micro-mechanisms of tensile deformation in lath martensitic steel
A modified 9Cr-1Mo steel having lath martensitic microstructure has been subjected to the
hot-rolling at three different temperatures followed by a normalization at 1025° C to form …
hot-rolling at three different temperatures followed by a normalization at 1025° C to form …