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. …”
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Phase equilibria constraints on the stability of garnet in mafic granulite: An example from Karimnagar granulite terrain, Eastern Dharwar Craton, India by Praveen Chandra Singh, Divya Prakash

Subjects: “…Metamorphic reaction microstructure…”
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Stress-dependent creep behavior of a low-cost Re-free nickel-based single crystal superalloy at 980 °C by Yuting Gao, Jiasheng Dong, Langhong Lou

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Integration of SEM and acoustic emission methods in non-destructive evaluation of fiber–cement boards exposed to high temperatures by Zawiślak Łukasz

“…In turn, SEM provided detailed images of microstructural damage, including cracks and porosity. …”
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Hybrid machine learning and regression framework for automated phase classification and quantification in SEM images of commercial steels by Pavan Hiremath, Krishnamurthy D. Ambiger, Shilpa Suresh, Ranjan Kumar Ghadai, Ramakrishna Vikas Sadanand, G. Divya Deepak

“…The approach lays groundwork for scalable microstructure analysis for steel evaluation and supports data-driven microstructure design and analysis.…”
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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. …”
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Optimization Design of Insert Hot Stamping Die’s Cooling System and Research on the Microstructural Uniformity Control of Martensitic Phase Transitions in Synchronous Quenching Pro... by Xin Shang, Lijuan Pang

“…After that, the punch and die were optimally designed based on the simulation of temperature field of formed part as well as dies, and their temperature decreased by 15°C and 12°C, respectively. Next, the microstructural evolution in austenization and synchronous quenching processes was analyzed. …”
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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.…”
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Controlling the formation of microstructure at the melt-pool boundaries during directed energy deposition of aluminum alloy with a modified continuous growth restriction factor by Shanshan Xu, Bo Yin, Jiale Wang, Liquan Jin, Yu Yin, Zhenhua Li, David H. StJohn, Petro Pavlenko, Yueling Guo

“…Understanding the formation of solidified microstructures adjacent to the fusion boundary of a melt pool can provide valuable insights for optimizing process parameters and achieving the desired microstructure in directed energy deposition (DED). …”
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On joining additive manufactured metals via friction welding technology: a comprehensive mechanical and microstructural study on 316 L stainless steel components by Fatma Nur Depboylu, Loïc Jegou, Luciana Tavares, Andrei-Alexandru Popa

“…The joints were analyzed to evaluate weld integrity, microstructural evolution, phase stability, and mechanical performance. …”
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Influence of Bias Voltage on the Microstructure, Mechanical and Corrosion Properties of Ti/CrN/TiN Multilayered Films Deposited by Cathodic Arc Evaporation by Vu Van Huy, Nikolay B. Rodionov, Valery А. Karpov, Ngo Thanh Binh, Nguyen Dang Khoa, Vu Thi Lan Vi

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Study on dynamic recrystallization kinetics and microstructural refinement of high-strength 36CrNi3MoV steel during hot deformation by Anzu Guo, Feng Mao, Ruxing Shi, Yichou Lin, Litao Yin, Baoning Yu, Liujie Xu, Chong Chen, Hua Yu, Ke Gao, Shizhong Wei

“…The flow characteristics and grain morphology evolution of 36CrNi3MoV steel were systematically investigated through isothermal hot compression experiments under temperatures of 900–1200 °C and strain rates of 0.001–1 s−1. …”
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Comparative study of dynamic recrystallization behavior, microstructural characteristics, and mechanical properties of high-speed-extruded AZ31 and BA56 magnesium alloys by Gun Woong An, Sang-Cheol Jin, Taekyung Lee, Sumi Jo, Sung Hyuk Park

“…This study compares the microstructural evolution, dynamic recrystallization (DRX) behavior, tensile properties, and age-hardenability between the newly developed high-speed-extrudable BA56 alloy and those of the widely recognized AZ31 alloy in industry. …”
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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

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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. …”
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Physically simulated heat-affected zones of 2101 lean duplex stainless steel: microstructure, corrosion behavior, and DICTRA® analysis at different cooling rates by C.L. Kugelmeier, R. Silva, G.S. Vacchi, M.V.G. Rodrigues, S.F. Rodrigues, D.C.C. Magalhães, R. Magnabosco, C.A.D. Rovere

“…The effect of cooling rates on microstructure evolution and pitting corrosion resistance of the Gleeble®-simulated heat-affected zones (HAZs) of UNS S32101 lean duplex stainless steel (LDSS 2101) was studied. …”
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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. …”
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Research progress on heat treatment regulation and mechanical properties of selective laser melted γ″-strengthened nickel-based superalloys by NI Xiaoqing, DAI Kunjie, KONG Decheng

“…Therefore, it is imperative to clarify the inherent relationship between the metastable precipitate characteristics in non-equilibrium thermal cycles during the additive manufacturing and the heat treatment processes, such as grain growth, second-phase precipitation, and dislocation evolution during the thermal treatment. The γ″ strengthening nickel-based high-temperature alloys (IN718 alloy) were focused in this paper, which were widely used in the fields of aviation engines and gas turbines, the research progress on the microstructure characteristics after laser selective melting forming was discussed, and the microstructure evolution and variation laws of the mechanical properties after heat treatment were reviewed to explore the methods for regulating the microstructure and improving the mechanical properties of high-temperature alloys under the rapid solidification, and to further expand the application of laser additive manufacturing technology in hot-end structural materials, such as aviation engines and gas turbines.…”
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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. …”
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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. …”
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