Showing 1,301 - 1,320 results of 2,515 for search '"microstructure"', query time: 0.06s Refine Results
  1. 1301

    Structural Characterisation of Asphaltenes during Residue Hydrotreatment with Light Cycle Oil as an Additive by Yong-Jun Liu, Zhi-Feng Li

    Published 2015-01-01
    “…The findings imply that LCO added to AR during hydrotreating improves the degree of aromatic substitution, the total hydrogen/carbon atomic ratio per average molecule, the distance between aromatic sheets and aliphatic chains, and so forth, by modifying the colloidal nature and microstructure of asphaltene: this is beneficial for the further hydroprocessing of AR. …”
    Get full text
    Article
  2. 1302

    Numerical Simulation of Recycled Concrete Using Convex Aggregate Model and Base Force Element Method by Yijiang Peng, Hao Chu, Jiwei Pu

    Published 2016-01-01
    “…The research works show that the random convex aggregate model and the BFEM with the curve damage model can be used for simulating the relationship between microstructure and mechanical properties of RAC.…”
    Get full text
    Article
  3. 1303

    Influence of Initial Gap, Voltage, and Additives on Zinc Microcolumn Morphology by Local Electrochemical Deposition by Yi Liu, Fuliang Wang

    Published 2025-01-01
    “…Local electrochemical deposition (LECD) is an innovative additive manufacturing technology capable of achieving precise deposition of metallic microstructures. This study delves into the ramifications of pivotal operational parameters—namely, the initial electrode gap, deposition voltage, and additive concentration—on the morphology of zinc microcolumns fabricated through LECD. …”
    Get full text
    Article
  4. 1304

    Effect of Progressive Solid Solution Treatment on the Structure and Properties of 316H Stainless Steel by Jing Xue, Xin Guanghan, Geng Xin, Jiang Zhouhua

    Published 2025-02-01
    “…Based on Thermo calc thermodynamic calculations and research on the changes in microstructure and properties during solid solution treatment, a progressive solid solution treatment method is proposed. …”
    Get full text
    Article
  5. 1305
  6. 1306

    A Precipitation Phenomenon of Titanium Compounds in Aluminum Melts and the Refinement Fading Mechanism of the Al-5Ti-0.62C Master Alloy by Wanwu Ding, Wenjun Zhao, Tiandong Xia

    Published 2015-01-01
    “…Scanning electron microscopy (SEM), X-ray diffraction (XRD), optical microscopy (OM), and other techniques were used to analyze the microstructure of the precipitates at the bottom of the samples so as to explore the fading mechanism of Al-Ti-C alloy refinement. …”
    Get full text
    Article
  7. 1307

    Experimental Investigation on the Effect of Rubber Powder on Mechanical Properties of PVA Fiber Concrete by Linling Ma, Bin Wang, Lei Zeng, Yunfeng Xiao, Heng Zhang, Zhen Li

    Published 2021-01-01
    “…In addition, in order to discuss its damping performance, free vibration test was conducted. Microstructure analyses were conducted by the scanning electron microscope (SEM) test. …”
    Get full text
    Article
  8. 1308

    Quasi-Brittle Fracture Modeling of Preflawed Bitumen Using a Diffuse Interface Model by Yue Hou, Fengyan Sun, Wenjuan Sun, Meng Guo, Chao Xing, Jiangfeng Wu

    Published 2016-01-01
    “…This method describes the microstructure using a phase-field variable which assumes one in the intact solid and negative one in the crack region. …”
    Get full text
    Article
  9. 1309

    Structural and phase composition modification of nanocrystalline Nd14Fe79B7 alloy during thermomagnetic measurements by Talijan N., Ćosović V., Žák T., Grujić A., Stajić-Trošić J.

    Published 2009-01-01
    “…Changes in the microstructure parameters, phase composition and magnetic properties of rapid quenched Nd-rich Nd14Fe79B7 alloy caused by thermomagnetic measurement (TM) were studied using XRD methods of phase analysis, crystallite size and lattice microstrain determination. …”
    Get full text
    Article
  10. 1310

    Influence of Strain and Stress Triaxiality on the Fracture Behavior of GB 35CrMo Steel during Hot Tensile Testing by Zheng Li, Yajun Zhou, Sanxing Wang

    Published 2018-01-01
    “…To better understand cavitation nucleation and crack initiation in 35CrMo steel during high-temperature tensile processing and the effect of stress triaxiality on its fracture behaviors, uniaxial and notch high-temperature tensile tests were performed. The microstructure, fracture morphology, fracture strain, and stress triaxiality of the tested 35CrMo steel were then characterized and discussed. …”
    Get full text
    Article
  11. 1311

    An All-Solid Dispersion-Compensating Photonic Crystal Fiber Based on Mode Coupling Mechanism in Dual-Concentric Core by Zhaolun Liu, Chunlan Zhang, Yuwei Qu

    Published 2020-01-01
    “…By using the relationship between phase matching wavelengths and coupling strength with the change of fiber microstructure parameters, an all-solid dual-concentric-core dispersion-compensating photonic crystal fiber is presented. …”
    Get full text
    Article
  12. 1312

    Pre-failure indicators detected by Acoustic Emission: Alfas stone, cement-mortar and cement-paste specimens under 3-point bending by Stavros K. Kourkoulis, Ioanna Dakanali

    Published 2018-07-01
    “…In addition, it is concluded that for all materials tested (in spite their differences in microstructure and composition) clear prefailure indicators are detected, in good accordance to similar indicators provided by other techniques like the Pressure Stimulated Currents (PSC) one.…”
    Get full text
    Article
  13. 1313

    Utilization of Fly Ash to Enhance Ground Waste Concrete-Based Geopolymer by Wu Chen, Zhiduo Zhu

    Published 2018-01-01
    “…Scanning electron microscopy/energy dispersive spectroscopy imaging, X-ray diffraction analyses, Fourier Transform Infra Red analyses, and Magic Angle Spinning-Nuclear Magnetic Resonance Spectroscopy techniques are also conducted to investigate the microstructure and phase/elemental compositions of the synthesized geopolymeric binders. …”
    Get full text
    Article
  14. 1314

    Vertebral, rib, and osteoderm morphology and histology of Middle Triassic diapsid Eusaurosphargis by Nicole Klein, Torsten M. Scheyer

    Published 2024-12-01
    “…They share with Eusaurosphargis aff. dalsassoi the elongated transverse processes and a general similar microstructure, but also present an anteroposteriorly broadened bony sheath of the transverse process in ventral view, which is absent in Eusaurosphargis aff. dalsassoi.…”
    Get full text
    Article
  15. 1315

    Hybrid mechanical metamaterials: Advances of multi-functional mechanical metamaterials with simultaneous static and dynamic properties by Ana Carolina Azevedo Vasconcelos, Dingena Schott, Jovana Jovanova

    Published 2025-02-01
    “…Acoustic/elastic metamaterials, their dynamic counterparts, rely on frequency-dependent properties of their microstructure elements, including mass density and bulk modulus, to control the propagation of waves. …”
    Get full text
    Article
  16. 1316

    Assessment of the variability of unidirectional prepregs at multiple scales by Silvia Gomarasca, S. M. A. Hossein, Ran Tao, Benedikt Boos, Christoph Queck, Daniel Peeters, Bilim Atli-veltin, Martin Gurka, Clemens Dransfeld

    Published 2025-02-01
    “…  Understanding the microstructural variability in unidirectional composite prepreg tapes is relevant to investigating mechanisms of tape microstructure formation, their impact on its processability and the mechanical performance of the final composite part. …”
    Get full text
    Article
  17. 1317

    Fracture failure analysis of baseplates in a fluidic amplifier made of WC-11Co cemented carbide by H. Liu, K. Yin, J.M. Peng, Q.L. Yin

    Published 2013-12-01
    “…-phase) was present in the material. The microstructure of the processing cutting zone was inspected and the results revealed that some voids, pores, and microcracks were formed on the processing surface. …”
    Get full text
    Article
  18. 1318

    Investigation of the Structural Characteristics of the Gas Diffusion Layer Using Micro-X-Ray Computed Tomography by Qitong Shi, Cong Feng, Bing Li, Pingwen Ming

    Published 2025-01-01
    “…Therefore, it is of great practical significance to study the structural characteristics evolution of GDLs. The microstructure of the GDLs was obtained using micro-X-ray computed tomography in this study, and their structural properties were analyzed comprehensively and quantitatively. …”
    Get full text
    Article
  19. 1319

    The Potential Therapeutic Effects of Platelet-Derived Biomaterials on Osteoporosis: A Comprehensive Review of Current Evidence by Mohammad Amin Amiri, Nima Farshidfar, Richard J. Miron, Arkadiusz Dziedzic, Shahram Hamedani, Sajad Daneshi, Lobat Tayebi

    Published 2023-01-01
    “…Osteoporosis is a chronic multifactorial condition that affects the skeletal system, leading to the deterioration of bone microstructure and an increased risk of bone fracture. …”
    Get full text
    Article
  20. 1320

    A REVIEW OF STARCH DAMAGE ON PHYSICOCHEMICAL PROPERTIES OF FLOUR by Nia Ariani Putri, Ila Maratush Shalihah, Alina Femi Widyasna, Riska Putri Damayanti

    Published 2020-07-01
    “…Starch damage in flour will affect the physicochemical properties, such as particle size, amylose content, thermal and pasting properties, retrogradation, microstructure of starch granule, etc. It is very important to pay attention to produce the food product that have a good physicochemical characteristics. …”
    Get full text
    Article