Phase Field Simulation of Al-Fe-Mn-Si Quaternary Eutectic Solidification by Kimiya NouraniNiaki, Murali Uddagiri, Daysianne Isidorio, Oleg Shchyglo, Ingo Steinbach

“…The results provide detailed insights into the segregation behaviour of alloying elements and their influence on transformation kinetics, enhancing the understanding of eutectic microstructure evolution in complex alloy systems.…”
Get full text

Improving dynamic mechanical properties and inhibiting adiabatic shear bands of the molybdenum single crystal by adding Nb element by Zhenchuan Li, Benqi Jiao, Weiwei Zhang, Wen Zhang, Jianfeng Li

“…In this work, a new approach was proposed to improve mechanical properties and inhibit the formation and propagation of the adiabatic shear band in the pure Mo single crystal. The microstructure evolution of the pure Mo and Mo-Nb single crystals subjected to the dynamic load was investigated by EBSD and TEM. …”
Get full text

Optimizing Dielectric Constant in Tetragonal BaTiO3 Via Densification, Tetragonality, and Grain Growth Kinetic with Sintering Temperature by J. Lee, J. Jeong, J. Jung, H. Jeong

“…Their densification and microstructure evolution were examined to determine the dielectric constant as a function of temperature (25-150°C) and frequency (102-107 Hz). …”
Get full text

Fracture Mechanism of H13 Steel During Tensile Testing Based on In Situ EBSD by Yunling Li, Dangshen Ma, Hongxiao Chi, Shulan Zhang, Jian Zhou, Jin Cai

“…This paper employs in situ Electron Backscatter Diffraction (EBSD) tensile technology to thoroughly consider the evolution of microstructure, grain size, grain boundary characteristics, orientation differences, and dislocation density of H13 steel during the elastic and plastic stages of room temperature tensile testing. …”
Get full text

Mechanism of steel slag powder stabilization and improvement of expansive clay by Yinlei SUN, Chuan YU, Lei LIAO, Zhifei LI

“…By reducing the particle size of SSP, adding alkaline exciters or compound modification can improve its cementation activity and hydration rate. (3) SSP as a soil conditioner can significantly improve the performance of expansive clay, including expansion and contraction and mechanical properties. (4) The studies on the interaction mechanism between SSP and clay and the application effect of composite exciters remain insufficient and requires further investigation. (5) Future research should consider the chemical and physical properties under the coupling of different factors, including the chemical-mineral composition and the microstructure evolution law of the soil, as well as the mechanical properties of the soil under the water-chemical-force interactions. …”
Get full text

Fabrication of HMX/Fluororubber composite microspheres with enhanced mechanical and safety properties via channel assembly technology by Jinqiang Zhou, Kunlun Gu, Xueyong Guo, Rui Liu

“…The microstructure of composite explosives is crucial to the improvement of their safety performance. …”
Get full text

Crystal Plasticity Elastic-Plastic Rate-Independent Numerical Analyses of Pollycrystalline Materials by Marta Wójcik, Andrzej Skrzat, Feliks Stachowicz, Emil Spišák

“…Macroscopic analyses of plastic forming processes give only the overall description of the problem without the consideration of mechanisms of plastic deformation and the microstructure evolution. For the consideration of these processes, numerical simulations within crystal plasticity include the change of texture, anisotropy, and strain hardening of the material are used. …”
Get full text

Grain gradient in the heat-affected zone acquires an advancement in the ductility of flash-butt welded IN718 alloy by Lei Zhou, Tingyi Lin, Pingwei Xu, Zihao Jiang, Yu Liang

“…The microstructure evolution and mechanical properties are investigated systematically on Flash-butt welded IN718 alloy joint after annealing at 980 °C and subsequent aging. …”
Get full text

Advancing Metal Additive Manufacturing: A Review of Numerical Methods in DED, WAAM, and PBF by Allen Love, Omar Alejandro Valdez Pastrana, Saeed Behseresht, Young Ho Park

“…Key topics include heat transfer, residual stress and distortion prediction, microstructure evolution and parameter optimization. Recent advancements in FEA have improved the accuracy of AM process simulations, reducing the need for costly experimental testing, though there is still room for improvement and further development of FEA in metal AM. …”
Get full text

Hydrogen Reduction of Tellurium Oxide in a Rotary Kiln, Initial Approaches for a Sustainable Process by Hanwen Chung, Semiramis Friedrich, Mengqi Qu, Bernd Friedrich

“….% purity level TeO₂ using hydrogen in an oscillating kiln furnace (200–800 °C, 2–7 h), with phase composition and microstructure analysed via XRD and SEM. Results demonstrate conversions of up to 89% (solid–gas) and 100% (liquid–gas), revealing that kinetics dominate over thermodynamics in controlling reaction progress. …”
Get full text

Effects of pores on the superelasticity coupled with plasticity in nanocrystalline NiTi shape memory alloys: A molecular dynamic study by Xiang Zhu, Chenyan Liu, Yaguang Wang, Guansuo Dui

“…These findings reveal the influence of pore characteristics on the microstructure, superelasticity, and superelastic-plasticity of nanocrystalline NiTi, laying the foundation for its application in precision engineering fields such as biomedical implants and microelectromechanical systems. …”
Get full text

Interfacial reaction and mechanical properties of Sn–Bi Cu core solder joints by Shijie Ouyang, Zhi Li, Mingdong Bao, Yingwen Cao, Guoqi Hu, Xuebo Xu

“…Sn–Bi solder, considered to be a lead-free solder that can be used in the packaging of heat-sensitive devices, has been attracting increasing attention from researchers due to its excellent mechanical properties. The microstructure evolution, interfacial reaction, shear properties, and fracture behavior of Sn–Bi Cu core solder joints during reflow and thermal aging processes are investigated in this study. …”
Get full text

Molecular Dynamics Simulation of the Effects of Methane Hydrate Phase Transition on Mechanical Properties of Deep-Sea Methane Hydrate-Bearing Soil by Yanmei Zhang, Jian Zhang, Guoxun Li, Changda Sun, Yalin Luan, Jianlin Liu

“…In this paper, the methane hydrate phase transition process in deep-sea methane hydrate-bearing soil under heating and compression was simulated by the molecular dynamics method. The evolution of deep-sea methane hydrate-bearing soil’s microstructure, system energy, intermolecular interaction energy, and radial distribution function during heating and compression was investigated. …”
Get full text

The Influence of Different Foaming Agents on the Properties and Foaming Mechanisms of Foam Ceramics from Quartz Tailings by Huiyang Gao, Jie Zhang

“…The effects of different foaming agents (SiC, CaCO₃, and MnO₂) on the phase evolution, microstructure, pore size distribution, and physical properties of the foam ceramics were investigated, and the foaming mechanisms were elucidated. …”
Get full text

Influence of Al Content on Degradation Behavior of Cu-Doped Mg-Al Alloys for Drill-Free Plugging Applications by Li Kang, Yixuan Shi, Xiaoping Luo, Baosheng Liu

“…The phase composition and microstructure of fabricated alloys were characterized by using a scanning electron microscope (SEM) and X-ray diffractometer (XRD). …”
Get full text

Achieved strength-ductility simultaneous enhancement of AZ31 magnesium alloy square tube through a novel tube continuous expanding shear extrusion processing by Wei Zhang, Chaowei Zeng, Hui Zhao, Hongjun Hu, Dingfei Zhang, Rui Hong, Ting Yuan, Zhenwei Sun, Wei Peng

“…Compared to previously reported hot-extruded Mg alloy tubes, the tCESE samples exhibit simultaneous enhancements in both strength and ductility. The microstructure evolution during the tCESE process was analyzed in detail. …”
Get full text

Nonlinear Raman-Nath diffraction in submicron-thick periodically poled lithium niobate thin film by Xiao-Ni Li, Ling-Zhi Peng, Yuan-Yuan Liu, Li-Hong Hong, De-Ming Hu, Yuan-Yuan Zhao, Xuan-Ming Duan, Bao-Qin Chen, Zhi-Yuan Li

“…Abstract Nonlinear Raman-Nath diffraction (NRND) is a unique diffraction pattern formed when a high-intensity laser interacts with a nonlinear microstructure bulky medium relying only on the transverse phase matching condition. …”
Get full text

Study on the mechanical properties and mesoscopic damage mechanism of recycled aggregate concrete under different dynamic strain rates after freeze-thaw cycles by Chenyang Yuan, Siying Qu, Weifeng Bai, Junfeng Guan, Yunfei Xie

“…Methods such as scanning electron microscopy (SEM) and acoustic emission (AE) were adopted to analyze the microstructure of the specimens and the development process of microcracks. …”
Get full text

3D-printed copper-containing tailored titanium alloys with corrosion resistance, biocompatibility, and anti-inflammatory properties for enhanced guided bone regeneration by Lan Luo, Lan Luo, Quan Zhong, Quan Zhong, Zi-Qin Chen, Zi-Qin Chen, Xiao-Hong Wu, Xiao-Hong Wu, Shu-Man Li, Zhen-Zhu Xue, Zhen-Zhu Xue, Yan-Jin Lu, Kai Luo, Kai Luo, Wei Zhao, Wei Zhao

“…This investigation systematically evaluated the effects of copper content on corrosion resistance, biocompatibility, osteogenic potential, and anti-inflammatory properties of the Ti-xCu alloys.ResultsMicrostructural analysis revealed that increasing copper content enhanced Ti2Cu precipitation within the α-Ti matrix. …”
Get full text

Bio-inspired widening concrete using cellulose nanofiber to enhance multiscale Fiber–Matrix interface by Kun Wang, Jinjun Guo, Jinjin Wang, Donghui Qi, Yuanxun Zheng, Shaowei Hu

“…Experimental investigations were carried out to assess the bond splitting tensile strength, diagonal shear strength, crack resistance, development of drying shrinkage deformation, and the propagation behavior of restrained shrinkage-induced cracks in both new and old concrete reinforced with single and hybrid combinations of BF, PP fiber, and CNF. The microstructure, phase composition, and pore structure evolution of BF, PP fiber, and CNF-reinforced concrete were observed and analyzed using scanning electron microscopy, thermogravimetric and derivative thermogravimetric analysis, nuclear magnetic resonance, and mercury intrusion porosimetry. …”
Get full text