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Showing 881 - 900 results of 1,371 for search '(microstructural OR microstructure) evolution', query time: 0.13s Refine Results
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    Interface dipole evolution from the hybrid coupling between nitrogen-doped carbon quantum dots and polyethylenimine featuring the electron transport thin layer at Al/Si interfaces by Sasimontra Timjan, Ta-Cheng Wei, Kuan-Han Lin, Yi-Ting Li, Po-Hsuan Hsiao, Chia-Yun Chen

    Published 2025-01-01
    “…In this work, the hybrid design of ETL, obtained from the solution-processed nitrogen-doped carbon quantum dots (NCQDs) incorporated with organic polyethylenimine (PEI) demonstrates the feasible contact characteristics for the modification of Si/Al contacts, which greatly facilitates the transport and collection of photoexcited electrons in the Si-based optoelectronics. The aspects of microstructures, functional groups, chemical features, interfacial characteristics and band structures of NCQD/PEI are explicated, visualizing that the evolution of interface dipoles mediated by the overall outcome of physisorption and chemisorption effects, modifies the surface potential difference and results in the explicit reduction of the Al work function from 4.3 eV for pristine Al to 3.23 eV based on the optimized constitutional design (0.10 % NCQD in PEI). …”
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  5. 885

    Correlation between macroscopic and microscopic mechanical behavior of tuff material under uniaxial compression by Jin Linlin, Ma Hongfa, Yu Jiang, Wang Feng, Yin Dawei, Qu Xiao, Yang Yingsong, Tao Minghao

    Published 2025-03-01
    “…In addition, the two-dimensional particle flow numerical model was constructed based on the PFC2D partition modeling method to analyze the evolution law of the internal structure of tuff from the perspective of mineral microstructure. …”
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  6. 886

    Adaptive beam-shaping enabled high-precision patterned laser micro-grooving by Pei Qiu, Jun Li, Dandan Yuan, Zixuan Xin, Jiaxu Huang, Shaolin Xu

    Published 2025-01-01
    “…Various microgrooves with precise cross-sections, including triangles, trapezoids, and functionally contoured microstructures, are achieved by patterned laser direct writing assisted with the adaptive beam-shaping method. …”
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  7. 887

    Metastability, adiabatic shear bands initiation and plastic strain localization in the AMg6 alloy under dynamic loading by Mikhail Sokovikov, Sergey Uvarov, Mikhail Simonov, Vasiliy Chudinov, Oleg Naimark

    Published 2024-04-01
    “…ASB staging follows to collective properties of microshears ensemble given by the self-similar solutions of evolution equation providing spatial-temporal microshears localization, momentum transfer and damage localization. …”
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  8. 888

    Effects of curing temperature and age on the mechanical properties and damage law of coal-based solid waste cemented backfill by Xiang He, Longqiang Wei, Ke Yang, Zhiqiang Wen, Lianfu Zhang, Yongqiang Hou

    Published 2025-12-01
    “…Since the curing temperature and age play an essential role in affecting the strength of the backfill, the uniaxial compression test, acoustic emission damage monitoring, and microscopic scanning electron microscopy were carried out on the standard cube specimens with the curing temperature of 20, 27, 35, 42.5 and 50 °C (accompanied by the curing age of 3, 7, 14 and 28 days, respectively). The microstructure evolution and damage constitutive model of coal-based waste cemented backfill (CWCB) were discussed to reveal how CWCB strength develops. …”
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    Nacre-mimetic alternating architecture of AgSnO2 contact: Highly-efficient synergistic enhancement of in-situ self-repairing erosion resistance and naturally evolving impact resis... by Changhu Xu, Kai Wen, Zhe Wang, Jun Wang, Hailin Lu, Zesen Mao, Tianci Mao, Chongqing Fan, Jun Li

    Published 2025-01-01
    “…The mechanistic link between microstructural evolution and dynamic erosion is studied through experiments combined with Computational Fluid Dynamics (CFD) and Finite Element Method (FEM) simulations. …”
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    Spatial mapping of the localized corrosion behavior of a magnesium alloy AZ31B tungsten inert gas weld by Leslie G. (Bland) Miller, Corey M. Efaw, Rebecca F. Schaller, Kari Higginbotham, Steve D. Johns, Paul H. Davis, Elton Graugnard, John R. Scully, Michael F. Hurley

    Published 2025-01-01
    “…The galvanic coupling and evolution of the intrinsic corrosion behavior between the weld zones is explained by monitoring the hydrogen evolution reaction (HER) with SECM over time. …”
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  19. 899

    A facility for thermo-mechanical characterization of fusion magnet materials during cryogenic ion irradiation by Akarsh Aurora, Alexis R. Devitre, Angus P.C. Wylie, Jonas A. Rajagopal, Michael P. Short

    Published 2025-01-01
    “…Presented here is a facility that combines cryogenic transient grating spectroscopy with simultaneous ion irradiation, enabling in situ measurements of thermal diffusivity and surface acoustic wave (SAW) frequencies, allowing inference of microstructural evolution. Using copper as a benchmark material, an irradiation was performed at 30 K with 12.4 MeV $\text{Cu}^{6+}$ ions producing a fluence of $1.9 \times 10^{17}$  ions m ^−2 . …”
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