Showing 201 - 220 results of 382 for search '"nucleation"', query time: 0.05s Refine Results
  1. 201

    Effects of single- and multi-energies ion irradiations on clustering in an Fe–Mn–Ni–Si alloy by Yang Kong, Yue Sun, Shenbao Jin, Gang Sha

    Published 2025-01-01
    “…Subsequent low-energy irradiation promotes the nucleation of new small clusters at sites where large clusters dissolved, with these new clusters exhibiting a similar composition to the original ones. …”
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  2. 202

    The small GTPase MRAS is a broken switch by Gabriela Bernal Astrain, Regina Strakhova, Chang Hwa Jo, Emma Teszner, Ryan C. Killoran, Matthew J. Smith

    Published 2025-01-01
    “…Synthetic activating mutations widely used to study the function of MRAS in a presumed GTP-loaded state do not increase exchange, but instead drive effector binding due to sampling of an activated conformation in the GDP-loaded state. This includes nucleation of the SHOC2-PP1Cα holophosphatase complex. …”
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  3. 203

    Chill sensitiveness and thermal analysis parameters relationship in hypo-eutectic, Ca and Ca-La inoculated commercial grey cast irons by Stefan E., Chisamera M., Riposan I.

    Published 2020-01-01
    “…Previous experiments showed a specific distribution of Al, La, and Ca on the section of complex (Mn,X)S compounds, found as major nucleation sites for graphite flakes in low-S cast irons (< 0.03%S), and a possible contribution of La to improve their capacity to nucleate graphite, avoiding carbides formation. …”
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  4. 204

    Crack initiation life in notched Ti-6Al-4V titanium bars under uniaxial and multiaxial fatigue: synthesis based on the averaged strain energy density approach by Giovanni Meneghetti, Alberto Campagnolo, Filippo Berto, Keisuke Tanaka

    Published 2017-07-01
    “…To investigate the notch effect on the fatigue strength, pure bending, pure torsion and multiaxial bending-torsion fatigue tests have been carried out on specimens characterized by two different root radii, namely 0.1 and 4 mm. Crack nucleation and subsequent propagation have been accurately monitored by using the direct current potential drop (DCPD) technique. …”
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  5. 205

    Grain refinement and improved mechanical properties of as-cast Mg-3Gd alloy by Zr addition by Mohammadreza Maghzi, Hamed Mirzadeh, Reza Mahmudi

    Published 2025-03-01
    “…This was attributed to the inoculation effect of α–Zr particles as heterogeneous nucleation sites and high growth restriction factor (GRF) of solute Zr. …”
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  6. 206

    Kinetics of oil palm empty fruit bunch fiber pyrolysis by Bashar Abdullahi Hadi, Abdullahi Muhammad Sokoto, Aminu Bayawa Muhammad, Yahaya Alhassan, Chika Muhammad

    Published 2024-03-01
    “…The reaction is diffusion regulated by nucleation and nuclei growth models, according to the Zhuravlev-Lasokin-Tempelman model, which produced the highest regression value and the best acceptable fit. …”
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  7. 207

    Microstructure and Tensile Property Tailoring of Al–5Mg (wt%) Alloy Combined with Continuous Rheo-Extrusion and Sc Modification by Bowei Yang, Wenyue Liu, Xin Liu, Dalong Yang, Minqiang Gao

    Published 2025-01-01
    “…The primary Al<sub>3</sub>Sc-phase particles formed during solidification behaved as heterogeneous nucleation sites for the α-Al matrix, while the nanoscale Al<sub>3</sub>Sc-phase particles achieved during CRE enhanced the driving force of continuous dynamic recrystallization and the Zener drag force. …”
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  8. 208

    Rare Earth Metal-Based Intermetallics Formation in Al–Cu–Mg and Al–Si–Cu–Mg Alloys: A Metallographic Study by A. M. Samuel, E. M. Elgallad, M. G. Mahmoud, H. W. Doty, S. Valtierra, F. H. Samuel

    Published 2018-01-01
    “…Judging by the morphology of the gray phase, it is assumed that this phase is precipitated in the liquid state and acts as a nucleation site for the white phase. Lanthanum and Ce can substitute each other.…”
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  9. 209

    A physically-based constitutive model considering mixed dynamic recrystallization for a near-α titanium alloy during hot deformation by Jie Zhao, Yingming Tu, Binjun Zhou, Kehuan Wang, Gang Liu

    Published 2025-03-01
    “…Then a physically-based constitutive model was developed, considering subgrain rotation, recrystallization nucleation, recrystallization grain growth, recrystallization grain transformation into deformation structure and microvoids evolution. …”
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  10. 210

    Study on the enhancement of thixotropic properties of steel slag-based digital concrete by metakaolin by Lingli Zhu, Zhenkun Zhao, Yu Zhao, Yun Xiang, Xuemao Guan

    Published 2025-07-01
    “…It was known from the microscopic tests that metakaolin provided nucleation sites for the slurry, increased the hydration reaction rate of the slurry, reduced the internal pores of the slurry, made the flocculation structure denser, and simultaneously promoted the formation of ettringite. …”
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  11. 211

    Improvements of microstructure and mechanical properties of wire-arc directed energy deposition 2024 aluminum alloy after adding TiC nanoparticles by Xiaoyu Cai, Dongyuan Liu, Bolun Dong, Sanbao Lin

    Published 2025-12-01
    “…TiC nanoparticles refine the grains by promoting nucleation and inhibiting grain growth. Correspondingly, the mechanical properties of the as-deposited TiCP/AA2024 have been significantly improved: the horizontal tensile strength, yield strength, and elongation are 304 , 174 MPa, and 9.5%, respectively, which represent increases of 75%, 70%, and 164% compared to AA2024, and the tensile strength, yield strength, and elongation in the vertical direction are 287 MPa, 165 MPa, and 9.9%, respectively, with no significant anisotropy observed.…”
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  12. 212

    A Study of the Creep-Fatigue Damage Mechanism of a P92 Welded Joint Using Nanoindentation Characterization by Zhangmin Jin, Zhihui Cai, Xuecheng Gu, Zhiqiang Wang, Yiwen Han, Ting Yu, Yuxuan Song, Zengliang Gao, Zhongrui Zheng

    Published 2025-01-01
    “…., enhanced grain size and nucleation of creep voids, was established, and the damage mechanism was discussed.…”
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  13. 213

    Effects of micron-sized Cr3Si particles on microstructure and properties of CuNiSiCr alloy by Zhongyue Yang, Yake Wu, Liang Zhou, Bai Li, Feng Jiang, Junyong Lu

    Published 2025-01-01
    “…These deformation heterogeneities increased the number of nucleation sites and resulted in more significant grain refinement in the CuNiSiCr alloy upon recrystallization. …”
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  14. 214

    Tracking solid electrolyte interphase dynamics using operando fibre-optic infra-red spectroscopy and multivariate curve regression by Cédric Leau, Yu Wang, Charlotte Gervillié-Mouravieff, Steven T Boles, Xiang-Hua Zhang, Simon Coudray, Catherine Boussard-Plédel, Jean-Marie Tarascon

    Published 2025-01-01
    “…While the solid electrolyte interphase (SEI) is known to govern these performance characteristics, its dynamic nature makes understanding its nucleation, growth, and composition an ambitious, yet elusive aspiration. …”
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  15. 215

    Effect of Solidification Rate and Rare Earth Metal Addition on the Microstructural Characteristics and Porosity Formation in A356 Alloy by M. G. Mahmoud, A. M. Samuel, H. W. Doty, S. Valtierra, F. H. Samuel

    Published 2017-01-01
    “…The results showed that, in the absence of Sr, addition of La and Ce leads to an increase in the nucleation temperature of the α-Al dendritic network with a decrease in the temperature of the eutectic Si precipitation, resulting in increasing the freezing range. …”
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  16. 216

    Enhancement of antibacterial activity through phyto‐fabrication of silver nanoparticles with Ficus thonningii aqueous extracts by Dickens A. Ondigo, Were L. L. Munyendo, Dickson Andala, Apollo O. Maima, Josephat M. Mosweta, Kevin W. Odhiambo

    Published 2022-09-01
    “…The sufficient redox capabilities of Ficus thonningii phytochemicals for Ag+ reduction to Ag0 and ultimately aggregation to nucleation are exploited for the first time in attempting to enhance the antibacterial activity. …”
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  17. 217

    Numerical Investigation of Hydraulic Fracture Propagation Morphology in the Conglomerate Reservoir by Zehao Xu, Xiangjun Liu, Lixi Liang

    Published 2022-01-01
    “…Based on the global pore-pressure cohesive zone element (GPPCZ) model method, a two-dimensional (2D) fracture propagation model with flow-stress-damage (FSD) coupling was established to investigate HF nucleation, propagation, and coalescence in conglomerate reservoirs. …”
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  18. 218

    Microstructural Evolution and Strain-Hardening Behavior in Hadfield Steel Railway Crossings by Gustavo Tressia, Tiago Tepedino, Mohammad Masoumi, Juan Ignacio Pereira

    Published 2024-12-01
    “…Microstructural analysis in defect regions showed that these defects originated from the nucleation and propagation of cracks in grain boundaries with carbides. …”
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  19. 219

    The influence of iron impurities on the compression behaviour of Al-2.24Mg-2.09Li alloy by Kozina F., Zovko-Brodarac Z., Petrič M., Penko A.

    Published 2020-01-01
    “…The coarse morphology of Al3Fe particles and location at the grain boundaries of αAl grains contributed to low energy intergranular fracture. The fracture nucleation and propagation across the grain boundaries resulted in lower strength values.…”
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  20. 220

    Gravitational waves and dark matter in the gauged two-Higgs doublet model by Michael J. Ramsey-Musolf, Van Que Tran, Tzu-Chiang Yuan

    Published 2025-01-01
    “…Furthermore, satisfying the nucleation condition necessitates the masses of scalar bosons in the hidden sector to align with the electroweak scale, potentially probed by future collider detectors. …”
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