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Review
Materials Science, Multidisciplinary
Wenkui Yang et al.
Summary: This study investigated the micromorphology and kinetics evolution of Cr-rich a' precipitates under various conditions using three-dimensional phase-field simulation. The statistical results were in agreement with the results obtained from atom probe tomography. The density and volume fraction of a' precipitates increased with increasing Cr composition, while the average particle size decreased. The nucleation of a' precipitates was driven by both dislocation elastic energy and chemical free energy. The growth of a' precipitates was governed by chemical free energy and interface energy. The particle size distribution of a' precipitates became more uniform with increasing dislocation density. The simulation results also showed that the Cr component had a significant influence on the strengthening effect, and the overall strength slightly increased with increasing dislocation density.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Xue-Fang Xie et al.
Summary: This study reports a unique N- and S-co-doped C/TiO2 nanofiber structure to support SnS nanosheets for fast and ultra-stable lithium storage. The incorporation of TiO2 can suppress the uncontrolled growth of SnS and improve the structural stability of the electrode material. The electronic interaction between SnS and TiO2 can effectively reduce the energy band gap and form a built-in electric field, accelerating the reaction kinetics of the electrode material. The synergistic effect of SnS and TiO2 enables good stability of the electrode in both lithium-ion half-cells and full cells.
Article
Materials Science, Multidisciplinary
Weipeng Chen et al.
Summary: The thermal and solute diffusion in a-Mg dendrite growth of Mg-5wt.%Zn alloy under non-isothermal solidification was studied. It was found that solidification latent heat is concentrated at the dendrite intersection, leading to a non-uniform thermal field distribution. The increase in temperature affects the dendrite arm length, side-branching development, and dendrite tip concentration stability. The solute field distribution remains uniform during solidification, with local high-concentration areas formed after the solute enrichment layer.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Shaojie Lv et al.
Summary: The austenite to ferrite phase transformation is a crucial structural change in steel production, with the ferrite morphology and grain size significantly impacting the mechanical properties of steel materials. This study investigates the effects of cooling rate, prior austenite grain size (PAGS), and Mn content on the microstructure evolution of the austenite-to-polygonal ferrite phase transformation using a multi-phase-field model. The findings reveal that higher cooling rates enhance the driving force for the phase transformation and delay the process. Decreasing PAGS increases the proportion of austenite grain boundaries, providing more nucleation sites for polygonal ferrite and resulting in refined grain size. Furthermore, increased Mn content leads to significant grain refinement by reducing the transformation temperature. This work provides valuable insights for adjusting and designing desired microstructures of polygonal ferrite to enhance the mechanical performance of steel.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Shaojie Lv et al.
Summary: The influences of cooling rates, prior austenite grain size, and impurity inclusion density on the microstructure evolution of austenite-acicular ferrite transformation in low alloy steels were quantitatively evaluated by multi-phase-field simulation. The numerical results demonstrate that reducing prior austenite grain size, increasing cooling rate, and increasing inclusion nucleation density can effectively refine acicular ferrite grain size. The findings contribute to better regulating and designing acicular ferrite in steels.
COMPUTATIONAL MATERIALS SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Yu. G. Chabak et al.
Summary: This study investigates the effect of boron on the structural state and phase elemental distribution of cast iron alloys. It was found that the addition of boron can increase the hardness of the alloy, decrease the volume fraction of eutectic phases, and alter the matrix structure.
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
(2022)
Review
Metallurgy & Metallurgical Engineering
Kai Wang et al.
Summary: This paper reviews and discusses the progress and effects of diffusional phase transformations of Fe-C alloys under high magnetic fields. The kinetics of ferrite transformations, pearlite transformations, and the precipitation of carbides are summarized in terms of the thermodynamics of phase transformations and the diffusion behavior of carbon atoms. Future trends in research on diffusional phase transformations of Fe-C alloys under high magnetic fields are also discussed.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2022)
Editorial Material
Materials Science, Multidisciplinary
Marianthi Bouzouni et al.
Summary: This study presents a simulation approach to investigate the phase transformation and microstructure evolution of a low-Si CrMo steel processed with a typical Q & P cycle. The simulation accurately predicted the austenite grain size, the fraction and size of microstructural constituents at different stages of the Q & P process. The results showed that the solute drag effect of Cr restricts the growth of austenite grain size, and the heating stage is crucial for estimating the grain size. The phase field method successfully predicted the fraction of initial martensite, and the carbon content in the microstructural constituents determined the fraction of bainitic ferrite and retained austenite at the end of partitioning. It was found that accurate prediction of carbon diffusion is important for accurately predicting the carbon content in the microstructure. The simulation results were in good agreement with experimental data, demonstrating the effectiveness of the simulation approach in predicting phase transformations during the Q & P process.
COMPUTATIONAL MATERIALS SCIENCE
(2022)
Article
Metallurgy & Metallurgical Engineering
Xin-bo Ji et al.
Summary: The study found that different ferrite grain sizes and contents have a significant impact on the high-cycle fatigue properties of pearlite-ferrite dual-phase steel. The different crack propagation paths in the two DP steels led to differences in fatigue strength.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2022)
Review
Metallurgy & Metallurgical Engineering
Shao-jie Lv et al.
Summary: Solid-state phase transformation is closely related to the excellent mechanical properties of steel materials. Phase-field simulation, as a powerful tool, can quantitatively calculate the evolution of phase structures, providing great support for the research and development of advanced steel materials.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2022)
Review
Materials Science, Multidisciplinary
Long-Qing Chen et al.
Summary: The article focuses on the phase-field method as a density-based computational method for modeling and predicting temporal microstructure and property evolution during materials processes. It discusses the connections between phase-field equations and classical thermodynamics, as well as the relationships of continuum phase-field equations at different levels. Additionally, it examines the contributions of long-range interactions to domain structure evolution during phase transformations.
PROGRESS IN MATERIALS SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Qing-Kun Meng et al.
Summary: This study investigates the solid state phase transformations of Ti alloys and their correlation with mechanical properties. It was found that cold rolling and annealing treatments can impact material properties, providing a theoretical basis for the design of biomedical Ti alloys.
Article
Multidisciplinary Sciences
Taolong Xu et al.
Summary: The deformation and failure characteristics of pipeline steel depend on its atomic structure and microstructure. This study establishes the ferrite/cementite lamellar atomic structure using multi-scale analysis technology and analyzes the energy state and atomic structure of the relaxed samples. By calculating the critical fracture toughness at different scales, this study provides a reliable path for exploring the micro mechanism of macro cracking behavior of pipeline steel.
SCIENTIFIC REPORTS
(2022)
Article
Materials Science, Multidisciplinary
Yuhong Zhao
Summary: This study investigates the formation paths, diversity patterns, segregation modes, and magnetic effect of Ni/Mn shell-coated Cu-rich particles in Fe-15at. % Cu-1at. %Mn-1at. %Ni alloy using the phase-field method. The research reveals the coexistence of three nucleation mechanisms and the appearance of four structural patterns during precipitation, growth, and coarsening. The Cu-rich nanoparticles transform from bcc-a-Cu to fcc-g-Cu, while the Ni/Mn shell remains bcc and precipitates on the surface of bcc-a-Cu, fcc-g-Cu, or both. The Ni/Mn shell inhibits crystal structure transformation and phase separation. Adjusting aging time, magnetic field, and elastic field conditions can yield different microstructures and mechanical properties.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Materials Science, Multidisciplinary
Kun-Wu Lai et al.
Summary: The morphology and kinetics evolution of the gamma '(Ni3Al) phase during re-dissolution were studied in Ni-15 at% Al alloy, showing that the interdistance of the neighboring gamma ' phase affects the interface concentration gradient of Al, which dominates the growth or re-dissolution of the gamma ' phase particle.
Article
Materials Science, Multidisciplinary
Yun-long Wang et al.
Summary: The study focused on the impact of Cr/Mn segregation on the abnormal banded structure of high carbon bearing steel through reheating and hot rolling. Results revealed the segregation characteristics of alloying elements in the cast billet and their relationship with the hot-rolled plate banded structure, as well as the causes of formation and elimination methods for the abnormal banded structure. The segregation of alloy elements was found to be significant in both the cast billet and the hot-rolled plate banding structure.
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Yan Ma et al.
Summary: The study simulated the austenite reversion process in a medium-Mn alloy using the multiphase-field approach and found good agreement with experimental observations. This method provides a deeper understanding of the microstructural morphology and phase transformation kinetics in medium-Mn steels.
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Han-zhong Deng et al.
Summary: Stress accelerates the coarsening rate of the gamma '' phase of IN718 alloy, while Nb atom diffusion is a key factor affecting this coarsening process.
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Cong Yang et al.
Article
Metallurgy & Metallurgical Engineering
Chen Dong et al.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2019)
Article
Metallurgy & Metallurgical Engineering
Feng Lu et al.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2019)
Article
Materials Science, Multidisciplinary
L. T. Mushongera et al.
Article
Metallurgy & Metallurgical Engineering
Yong-sheng Kang et al.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2017)
Article
Metallurgy & Metallurgical Engineering
Lei Wang et al.
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
(2017)
Article
Materials Science, Multidisciplinary
Goro Miyamoto et al.
Article
Metallurgy & Metallurgical Engineering
Nobuo Nakada et al.
ISIJ INTERNATIONAL
(2016)
Article
Nanoscience & Nanotechnology
M. M. Aranda et al.
SCRIPTA MATERIALIA
(2015)
Article
Materials Science, Coatings & Films
Na Ta et al.
SURFACE & COATINGS TECHNOLOGY
(2015)
Article
Materials Science, Multidisciplinary
S. -W. Seo et al.
MATERIALS SCIENCE AND TECHNOLOGY
(2015)
Article
Materials Science, Multidisciplinary
Na Ta et al.
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
(2014)
Article
Materials Science, Multidisciplinary
Kumar Ankit et al.
Article
Materials Science, Multidisciplinary
Xiaodan Zhang et al.
Article
Materials Science, Multidisciplinary
Ingo Steinbach et al.
Article
Materials Science, Multidisciplinary
Su Meike et al.
Review
Materials Science, Multidisciplinary
Matthias Militzer
CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE
(2011)
Article
Metallurgy & Metallurgical Engineering
Lijun Zhang et al.
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
(2011)
Article
Metallurgy & Metallurgical Engineering
G. Laschet et al.
STEEL RESEARCH INTERNATIONAL
(2010)
Article
Materials Science, Multidisciplinary
M. Apel et al.
COMPUTATIONAL MATERIALS SCIENCE
(2009)
Review
Materials Science, Multidisciplinary
Ingo Steinbach
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
(2009)
Article
Materials Science, Multidisciplinary
M. G. Mecozzi et al.
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
(2008)
Article
Materials Science, Multidisciplinary
I. Steinbach et al.
Article
Materials Science, Multidisciplinary
M. De Graef et al.
Article
Materials Science, Multidisciplinary
Katsumi Nakajima et al.
Article
Physics, Fluids & Plasmas
J. Eiken et al.
Article
Mathematics, Applied
I. Steinbach et al.
PHYSICA D-NONLINEAR PHENOMENA
(2006)
