Preparation of Graphene-Modified Anticorrosion Coating and Study on Its Corrosion Resistance Mechanism by Peng Wang, Dayong Cai

“…Scanning electron microscope (SEM) and Raman spectrum were used to investigate the microstructure of graphene-modified anticorrosion coating, and it was found that the addition of rGO could effectively improve the porosity defect of epoxy resin primer. …”
Get full text

Effects of Pore Structure on Sandstone Mechanical Properties Based on Micro-CT Reconstruction Model by Rui Song, Lifu Zheng, Yao Wang, Jianjun Liu

“…The tortuosity of the rock skeleton is highly correlated with the mechanical parameters of the rock, i.e., Young’s modulus (R2 = 0.95), compressive strength (R2 = 0.94), yield strength (R2 = 0.92), and shear modulus (R2 = 0.94), which is believed to be more feasible to reveal the impacts of the microstructure of the rock on its mechanical properties.…”
Get full text

Nano-structured natural bentonite clay coated by polyvinyl alcohol polymer for gamma rays attenuation by Ibrahim Z. Hager, Yasser S. Rammah, Hossam A. Othman, Eman M. Ibrahim, Sayed F. Hassan, Fawzy H. Sallam

“…The particle size of natural bentonite was found to be 59.79 nm. The microstructure was characterized by scanning electron microscope and transmission electron microscopy. …”
Get full text

MECHANISMS OF ACTION OF THE POWDER OF CURCUMA LONGA RHIZOME PLANT ON A CARBOHYDRATE METABOLISM AT ALLOXAN-INDUCED DIABETIC RATS by R. I. Aizman, G. A. Koroschenko, A. P. Gaidarova, M. A. Subotyalov, S. N. Lukanina, A. V. Sakharov

“…Intake of the turmeric rhizomes powder by rats with diabetes, as compared with the diabetic animals on a standard diet, resulted in the lower increase of the glucose concentration in blood, the decrease of glucose absorption in the gut, higher concentration of the insulin and C-peptide in plasma and significant increase of glycogen content in the liver. The microstructure of pancreatic tissue samples of experimental animals using turmeric intake, was characterized by the better preservation of the islet apparatus in comparison with a group of animals on a standard diet.Conclusion. …”
Get full text

Strain Localization and Seismic Properties in the Heterogeneous Ailaoshan‐Red River Shear Zone, Southeast Asia by Junyu Li, Shuyun Cao

“…This study provides a comprehensive analysis of migmatites and granitic mylonites in the Ailaoshan‐Red River shear zone (ASRR‐SZ), incorporating detailed field observations, microstructure analysis, mineral crystallographic preferred orientations, rheological parameters, and seismic properties. …”
Get full text

Effect of Micro-Arc Oxidation on Fretting Wear Behavior of Ti6Al4V Titanium Alloy in High-Temperature (300 ℃) Range by ZHU Cunkuan, ZHANG Mingyuan, WANG Shouren, WANG Yuanjie, YUAN Xingtao

“…Ti6Al4V titanium alloy is a commonly used material for components such as dovetail joints in aircraft，which must endure hightemperature service environments.In order to investigate the influence of micro-arc oxidation (MAO) on the fretting wear resistance of Ti6Al4V titanium alloy in the high-temperature range，oxide coatings were prepared on the surface of Ti6Al4V.The microstructure and phase composition of the MAO coatings were characterized using scanning electron microscopy (SEM) and X-ray diffractometer (XRD).Fretting wear tests were conducted at 300 ℃ to obtain the friction coefficient，wear profiles and microscopic wear damage morphology.Results showed that after MAO treatment，a coating with a thickness of about 10 μm formed on the surface of Ti6Al4V，containing hard Al2TiO5 and rutile TiO2 phases.Compared to untreated specimens，the MAO-treated samples exhibited lower friction coefficients and reduced wear volumes under various displacement conditions，demonstrating that MAO effectively improved the fretting friction and wear behavior of Ti6Al4V in the high-temperature range.Increased coating hardness was conducive to enhanced wear resistance.Additionally，under high-temperature conditions，dense TiO2 and Fe2O3 oxide films were more likely to form on the MAO-coated surface，providing protection to the substrate.Besides，the wear mechanism of the MAO coating was primarily delamination wear and abrasive wear，while the titanium alloy substrate mainly underwent fatigue wear and adhesive wear.…”
Get full text

Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance by Yao Zhao, Lei Tong, Yating Zhu

“…The relationship between the PA microstructure and Pb(II) removal rate was then determined. …”
Get full text

Experimental and Computational Approaches for the Structural Study of Novel Ca-Rich Zeolites from Incense Stick Ash and Their Application for Wastewater Treatment by Virendra Kumar Yadav, Nisha Choudhary, Daoud Ali, G. Gnanamoorthy, Gajendra Kumar Inwati, Mohammed HA. Almarzoug, Gokhlesh Kumar, Samreen Heena Khan, Mitesh B. Solanki

“…FTIR and XRD helped in the identification of the microstructure and crystalline nature of the zeolites and also confirmed the synthesis of Ca-based zeolite with two thetas at 25.7°. …”
Get full text

THE EFFECT OF DIFFERENT DESIGN RATIOS ON THE COMPRESSIVE STRENGTH OF GEOPOLYMER CONCRETE: A PARAMETRIC STUDY USING THE TAGUCHI METHOD by Ahmed Radhi Taha, Dr. Alyaa Abbas Al-Attar, Hasan Mohammed Ahmed

“…Moreover, scanning electron microscopy was evaluated to show the geopolymer concrete microstructure. …”
Get full text

A DEM Study on the Macro- and Micro-Mechanical Characteristics of an Irregularly Shaped Soil–Rock Mixture Based on the Analysis of the Contact Force Skeleton by Chenglong Jiang, Lingling Zeng, Yajing Liu, Yu Mu, Wangyi Dong

“…The mechanical characteristics of soil–rock mixtures (S-RMs) are essential for ensuring geotechnical engineering stability and are significantly influenced by the microstructure’s contact network configuration. Due to the irregularity of particle shapes and the variability in particle grading with S-RMs, their macro-mechanical characteristics and mesoscopic contact skeleton distribution exhibit increased complexity. …”
Get full text

A constitutive model optimizing superalloy performance: The interplay of annealing twins, dislocations, and grain boundaries by Zongpeng Tian, Rui Zhao, Xinshun Diao, Shan Jiang, Debin Shan, Min Wan

“…To elucidate the mechanistic roles of these microstructural features, this study employed high-precision planar argon ion polishing and electron backscatter diffraction to quantitatively characterize the annealing twin volume fraction, dislocation density, and grain size in superalloys heat-treated at various temperatures. …”
Get full text

Synthesis of HfSe2 and CuHfSe2 crystalline materials using the chemical vapor transport method and their applications in supercapacitor energy storage devices by Khan Rashid, Haleem Yasir A., Rafiq Muhammad Imran, Abbas Nadeem, Zeb Akif, Sahar Shafaq, Habila Mohamed A., Farooq Sajid, Mir Amna, Saleem Muhammad Farooq, Habib Muhammad

“…Moreover, these new nanocrystals can be regarded as promising supercapacitor electrode materials with good specific capacitance, excellent cycling stability, and high energy density due to the unique microstructure of such 2D materials.…”
Get full text

Unstable feature and tribological performance transition of Cf/C–SiC under elevated temperatures by Tianyi Sui, Xuan Bao, Lichao Li, Yuanping He, Guochen Ning, Bin Lin, Shuai Yan, Liaoliang Ke

“…In the present work, the tribological properties of 2.5D Cf/C–SiC against silicon nitride under dry friction over a wide temperature range, ranging from room temperature (RT) to 800 °C, are studied with a pin-on-disc tribometer, and the microstructure is characterized via a variety of methods. …”
Get full text

Analysis of the Structure and Properties of As-Built and Heat-Treated Wire-Feed Electron Beam Additively Manufactured (WEBAM) Ti–4Al–3V Spherical Pressure Vessel by Andrey Chumaevskii, Sergey Tarasov, Denis Gurianov, Evgeny Moskvichev, Valery Rubtsov, Nikolay Savchenko, Aleksander Panfilov, Alexander M. Korsunsky, Evgeny Kolubaev

“…In the present work, a high-pressure spherical vessel was fabricated from Ti–4Al–3V titanium alloy using wire-feed electron beam additive manufacturing and characterized for tightness at high pressure. Studies have been carried out to characterize the microstructures and properties of the vessel’s material in four states: as-built (BM), annealed at 940 °C with cooling in air (HT₁ treatment), quenched in water from 940 °C (HT₂ treatment), and quenched with subsequent annealing at 540 °C (HT₃ treatment). …”
Get full text

New types of sugar-containing raw materials for food production by E. I. Kuzmina, O. S. Egorova, D. R. Akbulatova, D. A. Sviridov, M. Yu. Ganin, A. A. Shilkin

“…The results of the study of properties of these syrups and their effect on the physical and sensory, rheological and microstructural properties of products, in which technologies these syrups were used, are described. …”
Get full text

DLP 3D-Printed Mullite Ceramics for the Preparation of MOFs Functionalized Monoliths for CO₂ Capture by Arianna Bertero, Bartolomeo Coppola, Yurii Milovanov, Paola Palmero, Julien Schmitt, Jean-Marc Tulliani

“…Therefore, this research focused on the effect of the purity of the selected raw materials and of the microstructural porosity of 3D-printed ceramic substrates on the Metal Organic Frameworks (MOFs) coating efficiency. …”
Get full text

Toward High-Speed Imaging of Cellular Structures in Rat Colon Using Micro-optical Coherence Tomography by Xiaojun Yu, Yuemei Luo, Xinyu Liu, Si Chen, Xianghong Wang, Shi Chen, Linbo Liu

“…As an indicator of gastric cancers, intestinal metaplasia in the large intestine is characterized by the appearance of goblet cells in gastric epithelium, and therefore, visualization of intestinal microstructure changes in cross-sectional view, particularly <italic>in vivo</italic>, in a high-speed fashion would assist early disease diagnosis and its treatment. …”
Get full text

Understanding ferroelectricity in sputtered aluminum nitride thin films on silicon by Vamshi Kiran Gogi, Christopher Chae, Abhijeet Barua, Jinwoo Hwang, Rashmi Jha

“…We report ferroelectric switching at room temperature in sub-100 nm aluminum nitride thin films deposited using radio frequency magnetron sputtering in a metal–insulator–metal configuration. The film microstructures were investigated using transmission electron microscopy. …”
Get full text

Three-dimensional photoluminescence imaging of threading dislocations in GaN by sub-band optical excitation by Matthias Daeumer, Jae-Hyuck Yoo, Zhiyu Xu, Minkyu Cho, Marzieh Bakhtiary-Noodeh, Theeradetch Detchprohm, Yuxuan Zhang, Vijay Gopal Thirupakuzi Vangipuram, Vishank Talesara, Yibo Xu, Edward Letts, Daryl Key, Tian T. Li, Qinghui Shao, Russell Dupuis, Shyh-Chiang Shen, Wu Lu, Hongping Zhao, Tadao Hashimoto, Ted A. Laurence

“…Galvanometric-driven PL imaging allows the microstructure of hundreds of devices to be characterized in a single session, enhancing the screening process through the addition of device specific TD location tracking and density mapping. …”
Get full text

Unveiling high-temperature stability and growth dynamics of CVD-SiOC coatings across different deposition conditions and environments by Weichen Jing, Naeem ul Haq Tariq, Wenkang Hou, Tianying Xiong, Mingqiang Tang

“…It was found that the composition and microstructure of SiOC coatings, environmental atmosphere, and heat treatment temperature can affect the thermal stability and high-temperature reaction mechanism of SiOC coatings. …”
Get full text