Impact on the microstructure of deep gray matter in unvaccinated patients after moderate-to-severe COVID-19: insights from MRI T1 mapping by Masia Fahim, Elke Hattingen, Alina Jurcoane, Jan R. Schüre, Svenja Klinsing, Julia Koepsell, Kolja Jahnke, Michael W. Ronellenfitsch, Ulrich Pilatus, Maria J. G. T. Vehreschild, Ralf Deichmann, Christophe T. Arendt

“…Conclusion T1 mapping revealed microstructural changes in striatal and hippocampal regions of unvaccinated individuals aged ≥ 40 who recovered from moderate-to-severe COVID-19 during the pre-Omicron era. …”
Get full text

Electrochemical Behavior of the Ti-12Mo-25Nb Alloy Compared to the Alloys of the Ti-xMo-30Nb System (x = 10 and 12%wt.) in Ringer’s Solution by Caio Marcello Felbinger Azevedo Cossu, Ana Isabel de Carvalho Santana, Carlos Angelo Nunes, Luiz Henrique de Almeida, Sinara Borborema

“…The alloys were produced by arc melting with a non-consumable tungsten electrode in an argon atmosphere, followed by homogenization at 950°C for 1 hour and water quenching. The microstructure was analyzed using X-ray diffraction and optical microscopy, while mechanical properties were evaluated by Vickers microhardness and Young’s modulus via the impulse excitation technique. …”
Get full text

Impacts of adding pectic polysaccharides from Hassawi okra extract (Abelmoschus esculentus) on quality properties of strawberry jam by Nashi K. Alqahtani, Tareq M. Alnemr, Zakaria A. Salih, Hassan T. Aboufarrag

Subjects: Get full text

Establishing classification standards for volcanic reservoirs based on pore structure and nuclear magnetic logging: A case study of Chaganhua Gas Field in Songnan Fault Depression by WANG Min,CAO Yue,LI Wancai,ZHAO Wenqi,WANG Wenyong,SONG Yuying

Subjects: “…|songnan fault depression|chaganhua gas field|reservoir classification and evaluation|nuclear magnetic logging|microstructure…”
Get full text

Effects of Modifiers on Prefabricated Quick-frozen Microwave Raw Conditioning Noodles by Tingting QI, Zihao LI, Jingnan REN, Huilong DONG, Gang FAN, Jianying WEI, Zhuo WANG, Shengwei HUANG, Qufang WU, Benpeng ZHANG, Xiaoxiao QIU

Subjects: Get full text

Evaluation and modeling of deformation behavior for magnesium alloy tubes by resistance-heating-assisted testing incorporating laser speckle-based digital image correlation system by Qiu Zheng, Jiawei Chen, Yushi Yi, Peihua Du, Tsuyoshi Furushima

Get full text

Post-depositional effects on the microstructure and stable isotopes composition of planktic foraminiferal tests from the Miocene of the Pelotas Basin, south Brazilian continental m... by Geise de Santana de Santana dos Anjos-Zerfass, Farid Chemale Jr., Candido A. V. Moura

Get full text

Effect of pulsed current frequency on alloy chemistry, microstructure, and mechanical responses of Hastelloy B-2 superalloy in gas tungsten arc welding process by Mehdi Khalasi Dezfuli, Ali Heidary Moghadam, Mehdi Ghobeiti Hasab, Rouholah Ashiri

“…At the same time, detailed microstructural analysis, chemical composition evaluation, and scanning electron microscopy (SEM) of fracture surfaces were performed to uncover the underlying mechanisms. …”
Get full text

Microstructure quantitative analysis of multi-scale pores in C/SiC composites via micro-CT for revealing correlations with interlaminar shear properties by Wenhan Qu, Yintang Wen, Yuyan Zhang, Bo Liang

“…The conventional indicator porosity cannot characterize detailed pore structure characteristics. To accurately evaluate effects of multi-scale pores on composites or components properties, a modified fractal dimension analysis strategy is proposed to quantify the microstructure characteristic parameters of pores such as porosity, pore size and distribution, etc, using micro-computed tomography images (Micro-CT) images. …”
Get full text

Engineering characteristics of high-weight aged BOFs-dredged soil backfill for port structure: Shear properties, unit weight, strength, and microstructure characteristics by Jung-goo Kang, Gyeong-o Kang

“…The study utilized aged, aggregate type BOFs and a small amount of cement as the primary binder, along with marine dredged clay soil as the main matrix, to evaluate the frictional properties, unit weight, microstructure, and unconfined compressive strength (UCS) behavior. …”
Get full text

Characterization and Failure Analysis of Solder Joints in Ball Grid Array (BGA) Components Using Cross-Section, Dye and Pry, and Microstructural Etching Techniques by G.F.R.C. Pádua, L.F.S. Figueiredo, G.S. Rocha, J.S.M. Junior, J.S. de Oliveira, R.S. Barboza, A.C. Kieling, J.C. Macêdo Neto

“…Cross-section confirmed cracks in the IMC layer and macrovoids at the solder-PCB interface, including shrinkage voids associated with solidification, as per IPC-7095E standards. The microstructure of the SAC305 alloy exhibited silver and copper precipitates within a dendritic tin matrix. …”
Get full text

Microstructure and phase stability of C-doped AlCoCrFeNi2.1 eutectic high-entropy alloys at 600 °C by Y.S. Wang, J.Q. Yao, D.X. Wang, S.R. Li, Y. Shi, Z.H. Yin, X.P. Dong, X.W. Liu

“…However, the phase stability of the alloy remains uncertain. This study evaluated the microstructure and phase stability of both the as-cast AlCoCrFeNi2.1 EHEA and its C-doped counterpart, (AlCoCrFeNi2.1)97C3, at 600 °C. …”
Get full text

Effect of Printing Orientation Angle and Heat Treatment on the Mechanical Properties and Microstructure of Binder-Jetting-Printed Parts in 17-4 PH Stainless Steel by Iacopo Bianchi, Archimede Forcellese, Pietro Forcellese, Tommaso Mancia, Chiara Mignanelli, Michela Simoncini, Tommaso Verdini

“…Scanning electron microscopy with energy dispersive X-ray spectroscopy was used to observe the fracture surfaces and microscopical defects on the binder jetting printed parts to evaluate the fracture mechanisms. It was demonstrated that printing orientation angles do not affect the mechanical properties of 3D-printed parts, while a significant improvement in the microstructure and mechanical properties is observed after the H900 heat treatment.…”
Get full text

Microstructural, Electrochemical, Mechanical, and Biocompatibility Characterization of ReN Thin Films Synthesized by DC Sputtering on Ti6Al4V Substrates by Willian Aperador, Giovany Orozco-Hernández, Jonnathan Aperador, Jorge Bautista-Ruiz

“…Thin films of ReN were synthesized by DC sputtering at different nitrogen pressures (120, 140, 160, and 180 mTorr) on silicon and Ti6Al4V substrates. The coatings were evaluated for their microstructural and mechanical properties. …”
Get full text

Residual stress release and corresponding microstructural changes in high-energy impact-modified GH4169 after aging at 425 °C and 650 °C by Qiang Wang, Shixiang Shuai, Guoxin Lu, Bonnie Attard, Rongyao Ma, Shuang Gao, Arif Rochman, Glenn Cassar

“…By elucidating the link between stress relaxation and microstructural changes, this research offers a theoretical foundation for optimizing surface-strengthening processes and setting optimal operational temperatures for advanced structural materials.…”
Get full text

Effect of Milling Time on the Microstructure and Mechanical Properties of HfB2-ZrB2-TiB2 Sintered via SPS by A. Masdar, Z. Balak

“…X-ray diffraction was employed for phase identification. Microstructural studies were performed using a scanning electron microscope. …”
Get full text

On the Optimization of T6 Heat Treatment Parameters of a Secondary Al-Si-Cu-Mg Foundry Aluminum Alloy: A Microstructural and Mechanical Characterization by Mattia Merlin, Lorenzo Antonioli, Federico Bin, Cindy Morales, Chiara Soffritti

“…Microstructural analysis by light microscopy (LM) and scanning electron microscopy (SEM), together with Brinell hardness testing, was also carried out to assess the effects of heat treatment parameters. …”
Get full text

The effects of hatch spacing and stripe offset on the surface morphology and microstructure of biomedical 316 L stainless steel formed by laser powder bed fusion by Bohuai Xiao, Chenglin Zhou, Baolong Liu, Wenchao Cai, Qizhen Xue, Liqi Jin, Yuhang Wang, Cailong Liu, Qi Zhang, Hao Pan

“…Surface roughness, three-dimensional morphology, and microstructural evolution were quantitatively characterized using a digital microscope with extended depth of field and scanning electron microscopy, whereas the surface mechanical properties were evaluated through Vickers hardness testing. …”
Get full text

Cellular Automaton Simulation Model for Predicting the Microstructure Evolution of an Additively Manufactured X30Mn21 Austenitic Advanced High-Strength Steel by Ashutosh Singh, Christian Haase, Luis A. Barrales-Mora

“…Simulations were also conducted at varying resolutions of CA cells, enabling a comprehensive study of their impact on microstructure evolution. Furthermore, the computational efficiency was critically evaluated.…”
Get full text

The Use of Common Bean and Mesquite Pods Flours as Partial Substitute of Semolina, Impact of Their Proteins and Polysaccharides in the Physical, Chemical, and Microstructural Chara... by Alejandro Pérez-Lozano, José-Alberto Gallegos-Infante, Manuel Humberto Chaírez-Ramírez, Nuria-Elizabeth Rocha-Guzmán, Martha Rocío Moreno-Jiménez, Luz-Araceli Ochoa-Martínez, Ignacio Villanueva Fierro, Verónica Loera Castañeda, Luis Medina-Torres

Get full text