Showing 1,821 - 1,840 results of 2,515 for search '"microstructure"', query time: 0.05s Refine Results
  1. 1821

    Tensile properties of domestic Al2O3f/Al2O3 composite at room temperature and 1000 ℃ by ZHANG Ke, XU Ping, ZHANG Chao, LI Chenchen, YING Wenqing, XING Ning, LI Mei, ZHANG Chengyu

    Published 2025-01-01
    “…The microscopic morphology and fracture morphology of tensile specimens are observed by SEM. The microstructure is observed by TEM. The tensile strength is analyzed using the Weibull distribution, and the fiber/matrix interfacial shear strength is obtained by the fiber push-in method. …”
    Get full text
    Article
  2. 1822

    Morphological influence of graphene and FeSO4 on polyaniline and application of nanocomposite towards oxygen reduction reactions in acid medium by Francklin Philips Muthukrishnan, Pavithra Bharathi Sundararajan, Akilan Murugesan

    Published 2025-03-01
    “…NCs are characterized for their morphology and microstructure by scanning electron microscope (SEM) with energy dispersive analysis of x-rays (EDAX), x-ray diffraction (XRD) analysis and x-ray photoelectron spectroscopy (XPS) analysis. …”
    Get full text
    Article
  3. 1823

    Dynamic Parameters and Hysteresis Loop Characteristics of Frozen Silt Clay under Different Cyclic Stress Paths by Furong Liu, Zhiwei Zhou, Wei Ma, Shujuan Zhang, Zhizhong Sun

    Published 2021-01-01
    “…According to contrastively analyzing the evolution of dynamic parameters and the shape features of hysteresis loops under various cyclic stress paths, it can be clearly discovered that the evolution of sample microstructure and the development of dynamic characteristics of frozen samples have obvious dependence on the cyclic stress path. …”
    Get full text
    Article
  4. 1824

    Stability of reinforcements (CrB2/TiB2) and lubricants (C/MoS2) in Cu matrix during the sintering process by Chen Zhang, Lei Jia, Jia-mei Zhang, Wu Pan, Zhen-lin Lu, Zhi-guo Xing

    Published 2025-01-01
    “…The content of each reinforcement or lubricant was fixed at 10 wt%, and the powder mixture was sintered by a fast hot-pressed sintering machine at 950 °C under 40 MPa for 1 h under a vacuum atmosphere (<10 Pa). Then, microstructure and phase composition of the composites resulted from 10%CrB2–Cu, 10%TiB2–Cu, 10%MoS2–Cu, 10%C–Cu, 10%CrB2–10%C–Cu, 10%TiB2–10%C–Cu, 10%CrB2–10%MoS2–Cu and 10%TiB2–10%MoS2–Cu powder systems were investigated systematically, Subsequently, the potential decomposition and reaction behavior was discussed based thermodynamic analysis. …”
    Get full text
    Article
  5. 1825

    Saline–CO<sub>2</sub> Solution Effects on the Mechanical Properties of Sandstones: An Experimental Study by Motao Duan, Haijun Mao, Guangquan Zhang, Junxin Liu, Sinan Zhu, Di Wang, Hao Xie

    Published 2025-01-01
    “…On this basis, the process of sandstone was divided into the dissolution stage, precipitation stage and secondary dissolution stage, and the rock microstructure change model under a salt–CO<sub>2</sub> environment was established. …”
    Get full text
    Article
  6. 1826

    Corrosion and wear study of medium entropy Pb-Sn-Cu alloy for coating application by Gokul M. Pillai, Kuldeep Singh, Shanmugasundaram Thangaraju, Shashinath Jha, Vinod Kumar

    Published 2025-03-01
    “…The reported alloy in the present study was fabricated via the open induction casting method. The microstructure and phase analysis were conducted using a scanning electron microscope and X-ray diffraction. …”
    Get full text
    Article
  7. 1827

    First-principles study of the matrix alloying effect of X (X = Cr, Mo, W, V, Ti, Si) on the bonding characteristics and mechanical properties of the NbC/Fe interface by Yutong Yu, Lisheng Zhong, Enci Han, Ke Shi, Kaiyuan Hu, Chengwen Zhang, Yunhua Xu, Jianhong Peng, Xu Hu

    Published 2025-01-01
    “…The tensile strength and strain of the interface significantly improved after the matrix alloying of Fe by Cr, V and Ti, the microstructure evolved during the tensile deformation, and a new phase was formed. …”
    Get full text
    Article
  8. 1828

    Experimental study on thermal conductivity and microscopic characterization of sandy clay in deep buried formation by Yi Cao, Yansen Wang, Chuanxin Rong, Hao Li, Bin Wang, Xin Shi, Jie Zhang

    Published 2025-02-01
    “…When the water content increases from 15 % to 22.5 %, the corresponding leap range decreases to 0 ∼ -5℃. Microstructural parameters quantitatively reflect the intrinsic reasons for changes in soil thermal conductivity from a microscopic perspective, indicating that these characteristics significantly affect its thermal conductivity.…”
    Get full text
    Article
  9. 1829

    Optimization of Enzymatic Hydrolysis Process, Structural Characterization and Antioxidant Activity Analysis of Gastrodia elata Polysaccharide by Yunfei HU, De ZHOU, Qinglan ZENG, Jinsong HE, Ming ZHAO, Qingyan TANG

    Published 2025-02-01
    “…Their dissolution rate, monosaccharide composition, relative molecular weight, functional groups, and microstructure were analyzed before and after enzymatic hydrolysis. …”
    Get full text
    Article
  10. 1830

    Enhanced Water Splitting by Fe2O3-TiO2-FTO Photoanode with Modified Energy Band Structure by Eul Noh, Kyung-Jong Noh, Kang-Seop Yun, Bo-Ra Kim, Hee-June Jeong, Hyo-Jin Oh, Sang-Chul Jung, Woo-Seung Kang, Sun-Jae Kim

    Published 2013-01-01
    “…The effect of TiO2 layer applied to the conventional Fe2O3/FTO photoanode to improve the photoelectrochemical performance was assessed from the viewpoint of the microstructure and energy band structure. Regardless of the location of the TiO2 layer in the photoanodes, that is, Fe2O3/TiO2/FTO or TiO2/Fe2O3/FTO, high performance was obtained when α-Fe2O3 and H-TiNT/anatase-TiO2 phases existed in the constituent Fe2O3 and TiO2 layers after optimized heat treatments. …”
    Get full text
    Article
  11. 1831

    Mechanical Mechanism of Water Injection to Enhance the Stability of Soft Coal by Chuanqi Zhu, Hao Fan, Wanrong Liu, Shaobo Li

    Published 2021-01-01
    “…Firstly, the distribution characteristics of coal particle size, point-load strength, original water content, microstructure characteristics, and shear strength of coal under different water contents are measured by laboratory tests. …”
    Get full text
    Article
  12. 1832

    Analysis of tensile properties in tempered martensite steels with different cementite particle size distributions by Kengo Sawai, Keiya Sugiura, Toshio Ogawa, Ta-Te Chen, Fei Sun, Yoshitaka Adachi

    Published 2024-11-01
    “…Using the results obtained by the experimental approach, an image-based regression model was constructed that can accurately suggest the relationship between the microstructure and tensile properties of tempered martensite steel. …”
    Get full text
    Article
  13. 1833

    Mouse Thyroid Gland Changes in Aging: Implication of Galectin-3 and Sphingomyelinase by Giovanna Traina, Samuela Cataldi, Paola Siccu, Elisabetta Loreti, Ivana Ferri, Angelo Sidoni, Michela Codini, Chiara Gizzi, Marzia Sichetti, Francesco Saverio Ambesi-Impiombato, Tommaso Beccari, Francesco Curcio, Elisabetta Albi

    Published 2017-01-01
    “…We have first investigated the changes of thyroid microstructure and the possibility that molecules involved in thyroid function might be associated with structural changes. …”
    Get full text
    Article
  14. 1834

    Structural and functional changes of Post-Stroke Depression: A multimodal magnetic resonance imaging study by Qiuhong Lu, Shunzu Lu, Xue Wang, Yanlan Huang, Jie Liu, Zhijian Liang

    Published 2025-01-01
    “…This study investigated changes in gray matter volume (GMV), white matter microstructure, and spontaneous brain activity in post-stroke depression (PSD) using multiple MRI techniques, including neurite orientation dispersion and density imaging (NODDI). …”
    Get full text
    Article
  15. 1835

    Enhanced humidity-sensing performance of (Zr4+/Sb5+)-codoped TiO2 ceramics with giant dielectric properties by Noppakorn Thanamoon, Nateeporn Thongyong, Kaniknun Sreejivungsa, Narong Chanlek, Prasit Thongbai

    Published 2025-01-01
    “…A pure phase of rutile TiO2 with a highly dense microstructure and relative density (ρr) higher than 96% was detected in all the sintered ceramics. …”
    Get full text
    Article
  16. 1836

    Photocatalytic degradation of tetracycline by Fe-doped mechanically activated SrTiO3 powders in aqueous solution by Živojinović Jelena, Peleš-Tadić Adriana, Kosanović Darko, Dinić Ivana, Vuković Marina, Obradović Nina

    Published 2024-01-01
    “…Due to the possibility of iron ion incorporation in SrTiO3 onto Sr2+ and/or Ti4+ sites a detailed analysis of the influence of dopants on the microstructure, morphology, optical properties and photocatalytic activity was conducted. …”
    Get full text
    Article
  17. 1837

    Characterization of evolution of reactive transport parameters during leaching process of sandstone uranium ore by combining porosity and lacunarity by Haiying Fu, Shuai Wang, Deming Tan, Guicheng He, Meng Lian, Zhonghua Zhu, Dexin Ding

    Published 2025-01-01
    “…Combining these measures facilitates a comprehensive understanding of the evolution of reactive transport parameters and the influence of pore microstructure on macroscopic reactive transport parameters. …”
    Get full text
    Article
  18. 1838

    Effect of carboxymethyl cellulose and/or wheat gluten on the pasting, rheological and quality properties of wheat starch-based batter for deep-fried products by Ying Xu, Ruishu Zhang, Kangyu Wang, Prince Chisoro, Feng Huang, Jing Wang, Chunhui Zhang

    Published 2025-02-01
    “…These outcomes could be attributed to the enhancement of hydrogen bonding. The microstructure suggested that the addition of WG-CMC increased the density and integrity of the gel network. …”
    Get full text
    Article
  19. 1839

    Dynamic recrystallization and mechanical behavior of Mg alloy AZ31: Constraints from tensile tests with in-situ EBSD analysis by Boissonneau, Gaëtan, Tommasi, Andréa, Barou, Fabrice, Lopez-Sanchez, Marco Antonio, Montagnat, Maurine

    Published 2025-01-01
    “…To investigate the entire deformation range up to failure at 65-67% engineering strain, step-wise experiments were conducted with in-situ EBSD acquisition at 2-5% strain intervals. Both in-situ microstructural observations and statistical analysis of microstructural properties document continuous DRX with nucleation by association of bulging and subgrain rotation starting at strains as low as 6%. …”
    Get full text
    Article
  20. 1840

    Mechanism of Damage and Deterioration of Red Sandstone in South China under Different pH Treatments by Shuguang Zhang, Shutian Zhao, Jiaqi Liu, Zhifeng Liu, Dipeng Zhu, Yingbo Li

    Published 2024-01-01
    “…By comparing the effects of acidic, neutral, and alkaline solutions on mechanical properties and internal structure, the changes in mechanical parameters and microstructure of chemical solution etched samples were obtained. …”
    Get full text
    Article