Microscopic mechanism for the effect of temperature on impact resistance of polycrystalline γ-TiAl alloys:A molecular dynamics study by Ziyu Chen, Haitao Li, Henggao Xiang

“…The study focuses on three aspects: internal stress, microstructural evolution and dislocation movement. The results show that plastic deformation in γ-TiAl alloys is induced by both slip-induced plasticity and twinning-induced plasticity. …”
Get full text

Strength and Pore Structure Development of High-Plasticity Clay Treated with MK-Blended Cement by Qian Guo, Mingli Wei, Haochen Xue, Changhui Gao, Guangyin Du

“…The unconfined compressive strength (fcu) of treated soil mixtures is measured to study the effect of MK replacement. The microstructural study is carried out by mercury intrusion porosimetry (MIP), scanning electron microscopy (SEM), and X-ray diffraction (XRD). …”
Get full text

Insights on Morphology and Thermal Stability of Hollow Pt Nanospheres by In Situ Environmental TEM by Josephine Rezkallah, Xavier Sauvage, Bernhard Witulski, Simona Moldovan

“…The thermal stability of Pt-based HNSs under TEM vacuum and 1 bar of hydrogen flow is reported by considering microstructural changes, e.g., the build-up of a continuous shell and its evolution until HNSs collapse at elevated temperatures (>500 °C). …”
Get full text

Influence of Laser Energy Variation on the Composition and Properties of Gradient-Structured Cemented Carbide Layers Produced by LP-DED by Yorihiro Yamashita, Kenta Kawabata, Hayato Mori, Eito Ose, Takahiro Kunimine

“…These findings indicate that both WC content and laser energy strongly influence the microstructural evolution and mechanical properties of graded cemented carbide layers. …”
Get full text

Determination of Anisotropic Mechanical Properties for Materials Processed by Laser Powder Bed Fusion by Even W. Hovig, Amin S. Azar, Frode Grytten, Knut Sørby, Erik Andreassen

“…It was observed that both build orientation and postprocessing have strong influence on the anisotropic mechanical properties of the material. The effect of microstructure was also investigated and characterised. …”
Get full text

Study on Constitutive Characteristic of As-Cast AA6061 Alloy under Plane Strain Compression Based on Orthogonal Analysis by Fangcheng Qin, Huiping Qi, Yuehua Kang, Chongyu Liu

“…Constitutive relationship and microstructure evolution of as-cast AA6061 alloy were studied using plane strain compression (PSC) under the temperature of 300–450°C, the strain rate of 0.01–5 s−1, and the strain of 0.9. …”
Get full text

Design and high strain rate response of a nanostructured bainitic steel for enhanced austenite stability by Majid Charchi Aghdam, Mehdi Hosseinzadeh Khanmiri, Hamid Mousalou, Sasan Yazdani

“…This study investigates the microstructural evolution and mechanical response of a high-silicon nanostructured bainitic steel designed with optimized Mn and Ni contents to enhance the stability of retained austenite (RA). …”
Get full text

Effect of High Temperature on Micro-Structure and Mechanical Properties of Fiber-Reinforced Cement-Based Composites by Chen Ge, Xiaoliang Chen, Yongfan Gong, Xijun Kong, Fei Chen

“…In this study, two types of synthetic fibers, polyvinyl alcohol (PVA) and polypropylene (PP), were incorporated into cement mortar to investigate their microstructural evolution at elevated temperatures and their influence on the mechanical properties of the mortar. …”
Get full text

Enhanced Electrical Property and Thermal Stability in Lead-Free BNT–BT–BF Ceramics by Kangle Zhou, Enxiang Hou, Yanfeng Qu, Yan Mu, Junjun Wang

“…In this work, lead-free ((1−x)(0.94Bi_0.5Na_0.5TiO₃-0.06BaTiO₃)-xBiFeO₃ (x = 0.08, 0.10, 0.12)) ceramics were synthesized using a conventional solid-state method, with systematic investigation of phase evolution, microstructural characteristics, and their coupled effects on electromechanical performance and thermal stability. …”
Get full text

Effect of silica precursor on the synthesis of Zn2SiO4-based material by Jallouli Necib, Irina Hussainova, Rocío E. Rojas-Hernandez

“…This work explores the impact of reaction temperature (700â1300 °C) on phase evolution and microstructural changes. A comprehensive characterization was carried out using X-ray diffraction, Raman spectroscopy, and scanning electron microscopy. …”
Get full text

Atomistic Simulation of the Effect of Temperature on Mechanical Properties of some Nano-Crystalline Metals by Isaiah Eze Igwe, Yusuf Tajuddeen Batsari

“…In this investigation, the strain corresponding to yielding stress is observed to be lower with increasing temperature. Finally, the evolution of crystalline microstructure during the entire tensile process was investigated. …”
Get full text

The Shell of the Invasive Bivalve Species Dreissena polymorpha: Biochemical, Elemental and Textural Investigations. by Françoise Immel, Cédric Broussard, Bastien Catherinet, Laurent Plasseraud, Gérard Alcaraz, Irina Bundeleva, Frédéric Marin

“…By describing the microstructure, geochemistry and biochemistry/proteomics of the shell, the present study aims at promoting this species as a model organism in biomineralization studies, in order to establish a bridge with ecotoxicology, while sketching evolutionary conclusions. …”
Get full text

Comparison of Different Additives and Ages on Mechanical and Acoustic Behavior of Coal Gangue Cemented Composite by Meng Xiao

“…Control specimens without fillers were also tested for comparison. The microstructure of the specimens was examined using scanning electron microscopy (SEM). …”
Get full text

Effect of Mg-rich filler metal on weld zone properties in pulsed laser-welded ultra-fine grain AA6061: A Taguchi optimization study by S. Karami, M.H. Siadati, M. Yousefieh

“…This study investigates the effects of filler metal with high magnesium (Mg) content at different heat inputs on microstructural evolution, strengthening mechanisms, and reduction of welding defects in pulsed laser welding (PLW) of ultra-fine-grained (UFG) AA6061 sheets. …”
Get full text

Innovations and Applications in Lightweight Concrete: Review of Current Practices and Future Directions by Diptikar Behera, Kuang-Yen Liu, Firmansyah Rachman, Aman Mola Worku

“…Nanomaterials such as nano-silica and carbon nanotubes augment early-age strength development by 25% and refine microstructural integrity. Thermal performance is markedly enhanced through advanced lightweight fillers, including expanded polystyrene and aerogels, achieving up to a 50% reduction in thermal conductivity, thereby facilitating energy-efficient building envelopes. …”
Get full text

Growth Kinetics of Ni₃Ga₇ in Ni/Ga System During Interfacial Reaction Diffusion by Jun Peng, Tao Wang, Shuai Zhang

“…This study investigated the phase transformation kinetics and microstructural evolution in the Ni/Ga couple. The diffusion reaction behavior between nickel and gallium was characterized from 323 K to 623 K for different annealing times. …”
Get full text

Study on the Effects of Partial Pressure on X52M Pipeline Hydrogen Embrittlement Properties in High-Pressure Hydrogen Environments by Zhao　Qian, Liu　Haixiao, Li　Ming, Wang　Bing, Li　Ba, Jia　Shujun, Liu　Qingyou

“…Through the slow tensile and fatigue life tests under high pressure gas phase environment， the influence law of plasticity and fatigue life properties under different hydrogen partial pressure on X52M pipeline steel （mass fraction /%： 0.04C，0.98Mn，0.010P，0.001S，0.033Nb，0.033V，0.16Cr，0.014Ti） were contrastive studied， Various characterization techniques， including metallographic microscopy and scanning electron microscopy （SEM）， were utilized to examine the microstructural evolution and fracture mechanisms. The results indicated that the loss rate of slow tensile section shrinkage increased significantly with the increasing of hydrogen partial pressure， the ductility loss was measured to be 10.5%， 17.5%， and 28.5% under 4 ， 6 ，10 MPa hydrogen pressure， respectively. …”
Get full text

Mechanisms and modelling of diffusion in solids: a multiscale framework with industrial case studies and AI enhancements by Obinna Onyebuchi Barah, Faith Natukunda, Ige Bori, Kelechi John Ukagwu

“…Abstract Diffusion in solids is a fundamental mechanism governing mass transport, phase transformations, and microstructural evolution in metals, alloys, and functional materials. …”
Get full text

Micromechanics-based thermo-hydro-mechanical model for air-entrained porous materials subjected to freezing-thawing cycles by Weiqi Guo, Yang Wu, Mingkun Jia, Zhihong Ma, Jinyang Jiang, Wenxiang Xu

“…The freeze-thaw (FT) behavior of porous materials (PMs) involves the coupling of the thermo-hydro-mechanical (THM) processes and is significantly influenced by the microstructure. However, modeling FT in unsaturated PMs remains an open issue, and the influence of microstructure is not yet fully understood. …”
Get full text

The strength-ductility synergy relating to dislocation behavior in the Ti70-VNbMoCr solid-solution alloys with VEC increasing orderly by Zaidong Xu, Baolin Wu, Jiale Man, Naifu Zou, Guosheng Duan, Yandong Liu, Yicheng Feng

“…Dislocation kinks were clearly observed in the deformed microstructures. In terms of the kink-strengthening mechanism and dislocation-based slip rule, the role of Burgers vector magnitude in strength-ductility synergy was discussed. …”
Get full text