Showing 1,001 - 1,020 results of 3,089 for search '(microstructural OR microstructure) (evolution OR evaluation )', query time: 0.14s Refine Results
  1. 1001
  2. 1002

    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

    Published 2025-07-01
    “…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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    Article
  3. 1003

    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

    Published 2025-07-01
    “…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. …”
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    Article
  4. 1004
  5. 1005

    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

    Published 2025-05-01
    “…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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    Article
  6. 1006

    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

    Published 2020-01-01
    “…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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    Article
  7. 1007

    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

    Published 2024-11-01
    “…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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    Article
  8. 1008

    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

    Published 2025-01-01
    “…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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    Article
  9. 1009

    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

    Published 2025-07-01
    “…The joints were analyzed to evaluate weld integrity, microstructural evolution, phase stability, and mechanical performance. …”
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    Article
  10. 1010
  11. 1011

    Effects of Heat Treatment on Microstructures and Corrosion Properties of Al<i><sub>x</sub></i>CrFeNi Medium-Entropy Alloy by Pushan Guo, Yuan Pang, Qingke Zhang, Lijing Yang, Zhenlun Song, Yi Zhang

    Published 2025-03-01
    “…This study designed Al<i><sub>x</sub></i>CrFeNi (<i>x</i> = 0.8, 1.0, 1.2) medium-entropy alloys featuring a BCC + B2 dual-phase structure to systematically investigate the effects of Al content variation and heat treatment on microstructure evolution and corrosion behavior. Microstructural characterization revealed that all investigated alloys maintained the BCC + B2 dual-phase labyrinth structure. …”
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    Article
  12. 1012

    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

    Published 2025-05-01
    “…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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    Article
  13. 1013

    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

    Published 2025-07-01
    “…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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    Article
  14. 1014
  15. 1015

    Achieving ultrafine martensite-bainite duplex microstructures by combining prior cold deformation with chronological control of phase transformation in GCr15 bearing steel by Xiaohui Lu, Guanglin Yuan, Xuanhong Yan, Rushan Lu, Huajie Shi, Yinsong Chen, Dongsheng Qian, Lin Hua

    Published 2025-05-01
    “…In addition, the effect of prior cold deformation on the evolution of martensite-bainite duplex microstructures is also discussed.…”
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    Article
  16. 1016

    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

    Published 2025-05-01
    “…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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    Article
  17. 1017

    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

    Published 2025-07-01
    “…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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    Article
  18. 1018

    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

    Published 2025-07-01
    “…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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    Article
  19. 1019

    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

    Published 2025-12-01
    “…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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    Article
  20. 1020

    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

    Published 2025-06-01
    “…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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    Article