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Showing 621 - 640 results of 3,089 for search '(microstructures OR microstructural) (evolution OR evaluation )', query time: 0.14s Refine Results
  1. 621

    Experimental Study of Mechanical and Durability Characteristics of Bio-Mineralized Concrete: A Microstructure Analysis by R. Porselvan, T. S. Lakshmi, Muniyandi Tholkapiyan

    Published 2025-01-01
    “…., water permeability and chloride penetration) were evaluated. Microstructural analysis through energy dispersion spectra and field-emitting scanning electron microscopy provided insights into the calcite precipitation mechanism within the concrete pores, aiding in densification and strength enhancement. …”
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    Article
  2. 622

    Coupling Effects of Microstructure Characteristics on Stress Distribution for Pore-Scale Gas Diffusion Layers by Yushuai Sun, Pinliang Du, Miaoqi Bian, He Miao, Hao Hu, Liusheng Xiao

    Published 2025-03-01
    “…A gas diffusion layer (GDL) is an essential component for the efficient operation of proton exchange membrane fuel cells, requiring stable mechanical strength and uniform stress distribution to achieve higher durability. The various microstructure characteristics of GDLs have coupled and complex effects on mechanical properties, which have not been fully considered in previous studies. …”
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    Article
  3. 623

    Microstructural Analysis and Radiological Characterization of Alkali-Activated Materials Based on Aluminosilicate Waste and Metakaolin by Nataša Mladenović Nikolić, Aleksandar Kandić, Jelena Potočnik, Nemanja Latas, Marija Ivanović, Snežana Nenadović, Ljiljana Kljajević

    Published 2025-01-01
    “…Alkali-activated materials of aluminosilicate origin, made from the different ashes, fly and wood, are very attractive research targets and can be applied in various technological fields due to their thermal stability, resistance to thermal shock, high porosity, high sustainability, and finally, low energy loss during production. In this paper, we evaluate physico-chemical properties, microstructure, and radiological environmental impacts when wastes that contain elevated levels of naturally occurring radionuclides (NORs) such as fly ash and wood ash are made into “green cements” such as AAMs. …”
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    Article
  4. 624

    Microstructural and mechanical properties of Al-Zn alloy 7075 during RRA and triple aging by Y. Reda, H.M. Yehia, A.M. El-Shamy

    Published 2022-03-01
    “…Many classes were aged chemically for one day at 120 °C. Materials were evaluated by studying their microstructure, hardness, and tensile strength. …”
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    Article
  5. 625

    Assessment of a diffusion phantom for quality assurance in brain microstructure diffusion MRI studies by Mattia Ricchi, Aaron Axford, Jordan McGing, Ayaka Shinozaki, Kylie Yeung, Rebecca Mills, Fulvio Zaccagna, Damian J. Tyler, Claudia Testa, James T. Grist

    Published 2025-07-01
    “…Abstract Diffusion-weighted imaging (DWI) is a key contrast mechanism in MRI which allows for the assessment of microstructural properties of brain tissues by measuring the displacement of water molecules. …”
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    Article
  6. 626

    Microstructural and Mechanical Properties of Dissimilar AA7075 and AA2024 Rotary Friction Weldments by Sandip Kumar Bauri, Nagumothu Kishore Babu, Malkapuram Ramakrishna, Ateekh Ur Rehman, Vanam Jaya Prasad, Minnam Reddy Suryanarayana Reddy

    Published 2024-11-01
    “…This study aims to explore the effects of various pre- and post-weld heat treatments (PWHTs) on the microstructural and mechanical properties of dissimilar aluminium alloys, namely AA7075 and AA2024, joined through rotary friction welding. …”
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    Article
  7. 627

    Investigating the rheological properties and microstructural analysis of Nano-expanded Perlite modified asphalt binder by Saeid Hesami, Mohammad Mahzari, Saeid Sobhi, Mohammad Ali Bay

    Published 2025-07-01
    “…., rotational viscosity (RV), dynamic shear rheometer (DSR), bending beam rheometer (BBR)] to evaluate their rheological properties. Microstructural analyses, including X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDS), and Fourier-transform infrared spectroscopy (FTIR), were also conducted. …”
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    Article
  8. 628

    Effects of cold atmospheric plasma on oxidative stability, microstructure, and volatile profile of pork meat by Y.K. Oliinychenko, S. Saad, E. Zymvrakaki, I. Mourtzinos, B. Tiwari, A. Ch Stratakos

    Published 2025-06-01
    “…Cold atmospheric plasma (CAP) is an innovative non-thermal technology with potential to improve meat safety and preservation. This study evaluated the effects of CAP on oxidative markers, antioxidant activity, fatty acid profile, volatile composition, surface morphology, muscle microstructural characteristics and texture parameters. …”
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    Article
  9. 629

    Laser Cutting of Titanium Alloy Plates: A Review of Processing, Microstructure, and Mechanical Properties by Ya Zhang, Chunyu Wang, Wentao Xu, Xianfeng Zhang, Kerong Ren, Shuai Wang, Qing Hua

    Published 2024-10-01
    “…Due to the rapid temperature change, the titanium alloy microstructure will undergo a non-diffusive martensitic phase transformation during laser cutting, producing a heat-affected zone. …”
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    Article
  10. 630

    Preparation, microstructure and properties of LaCePr polishing slurry for optical glass CMP by Quanxin ZHANG, Huping LI, Junlong SHI, Ai SU, Guiqing CHEN, Hao XIE, Yupei JIN, Guangshou HU

    Published 2024-12-01
    “…Using Baotou mixed rare earth ore as the raw material and other additives as auxiliary materials, the LaCePr rare earth CMP polishing solution with good comprehensive performance was prepared through a complex process. The microstructure, the element distribution, and phases were studied, and specific polishing experiments were conducted to evaluate its polishing performance. …”
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    Article
  11. 631

    Evolution of prototyping in automotive engineering: a comprehensive study on the reliability of Additive Manufacturing for advanced powertrain components by Silvia Cecchel, Riccardo Ferraresi, Matteo Magni, Leonardi Guerini, Giovanna Cornacchia

    Published 2024-04-01
    “…Firstly, it was investigated the mechanical behavior, microstructure, and the effect of sample size and heat treatments on both specimens and prototypes made of AM 17-4PH steel. …”
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    Article
  12. 632

    Study on the evolution mechanism of concrete properties under the coupled effects of freeze-thaw cycle, chloride salt and fatigue loading by Siqi Yang, Jiawen Zhang, Jiawen Zhang, Weijie Zhang, Qi Dong, Li Xiang, Guoxing Sun, Jinyang Jiang, Jinyang Jiang

    Published 2025-06-01
    “…In this study, the coupling effect of freeze-thaw, chloride salt and loading on the microstructure evolution was systematically and quantitively investigated, with the role of each kind of environmental action analyzed, experimentally and quantitively evaluating the significantly greater damage by freeze-thaw and chloride salt erosion to concrete than that of fatigue load.…”
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    Article
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