Showing 201 - 220 results of 866 for search '(microstructural OR microstructure) refinement', query time: 0.12s Refine Results
  1. 201
  2. 202

    Enhancing Concrete Strength and Microstructure with Basalt and Steel Fibers in Acid and Base Environments Incorporating Desert Sand by Hussain M. Hamada, Farid Abed, Zaid A. Al-Sadoon, Arhum Hassan

    Published 2025-03-01
    “…When B&SFs are synergized, their positive effects are amplified, yielding concrete with exceptional resistance to alkaline environments. Microstructural analysis reveals that incorporating fibers refines and strengthens the interconnected matrix of cementitious products, thereby enhancing cohesion and overall strength. …”
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    Article
  3. 203

    Material Flow and Microstructural Evolution in Friction Stir Welding of LAZ931 Duplex Mg-Li Alloys by Shiquan Cui, Wenguan Cao, Qi Zhang, Liguo Wang, Yufeng Sun, Shaokang Guan

    Published 2024-11-01
    “…Sound welds with no defects were obtained for all three welding speeds. The microstructural evaluations along the marker on the horizontal cross-section around the keyhole of the welds were characterized. …”
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    Article
  4. 204

    Competition mechanism of dynamic recrystallization and recovery and microstructure evolution of TC4 alloy during warm deformation by Hao Su, Tiexin Liu, Jie Kang, Lei Li, Ru Su, Bo Lv, Chunlei Zheng, Fucheng Zhang

    Published 2025-05-01
    “…However, the lack of process-microstructure-property integration during deformation induces processing instabilities, which narrow the processing window. …”
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    Article
  5. 205

    Impact of modified aggregate gradation on the workability, mechanical, microstructural and radiation shielding properties of recycled aggregate concrete by Mohy S. Fattouh, Mohamed A. Abouelnour, Alaa A. Mahmoud, Islam N. Fathy, A. F. El Sayed, Sameh A. Elhameed, Islam M. Nabil

    Published 2025-05-01
    “…Results demonstrate that, despite reduced workability, the modified mixes exhibited enhanced compressive and flexural strengths. Microstructural analysis revealed denser, more interconnected cement paste matrices and refined interfacial transition zones (ITZ) in the modified mixes. …”
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    Article
  6. 206

    Effect of trace niobium on the microstructure and properties of full-pearlite steel used in the high-strength hypereutectoid wire rods by Xiaokun Pan, Jincheng Li, Chaolei Zhang, Xinping Mao, Wenjun Wang, Shuize Wang, Guilin Wu, Junheng Gao, Honghui Wu, Haitao Zhao

    Published 2024-11-01
    “…The present study investigated the impact of 20–80 ppm Nb on the microstructure and properties of hypereutectoid pearlite steel. …”
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  7. 207

    Interfacial Microstructures and Mechanical Properties of TiC Reinforced GH 3230 Superalloy Manufactured by Laser Metal Deposition by Yan Wang, Neng Li, Wei Liu, Chonglin Jia, Yu Wu, Chao Gao, Huaping Xiong

    Published 2024-11-01
    “…The aim of this study is to develop TiC ceramic particle reinforced GH 3230 composites using laser metal deposition (LMD) method and study the effect of TiC content on their microstructure and tensile properties. The results showed that TiC particles not only changed the intensity and position of the X-ray diffraction peaks of the alloy matrix but also had a significant effect on the refinement of the cellular dendrites. …”
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  8. 208
  9. 209

    Enhancing microstructure and mechanical performance of aluminum copper friction stir lap welded joints with nickel powder interlayers by Rasoul Khajeh, Moosa Sajed, Akbar Heidarzadeh

    Published 2025-01-01
    “…The addition of Ni powder significantly influenced the morphology, thickness, and type of interfacial intermetallic compounds (IMCs), resulting in the formation of distinct IMC layers, including Al4Cu9 and Al2Cu in samples without Ni, and binary phases such as Al3Ni and Cu3.8Ni in Ni-containing samples. Microstructural analysis revealed refined grain structures, with enhanced refinement observed in multi-pass welding, particularly in samples with Ni powder. …”
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    Article
  10. 210

    Enhanced Wear Resistance and Microstructure of Hypoeutectoid Fe-Cr-C-Nb Alloys via Submerged Arc Surfacing by Ziyi Li, Zhongxue Feng, Min Chen, Guangyu Zhang, Jianwei Chen, Boer Cao, Xuefeng Zhang, Caiju Li, Jianhong Yi

    Published 2025-04-01
    “…The results show that the microstructure of the surfacing alloy is mainly composed of γ-Fe, α'-Fe, NbC, and Fe-Cr phases. …”
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    Article
  11. 211

    Effect of Initial Intergranular Ferrite Size on Induction Hardening Microstructure of Microalloyed Steel 38MnVS6 by Dequn Kong, Jian Zhou, Weiwei Dong, Li Cai, Chunyu Qu

    Published 2024-09-01
    “…In this study, we investigated the effect of grain size of an initial microstructure (pearlite + ferrite) on a resulting microstructure of induction-hardened microalloyed steel 38MnVS6, which is one topical medium carbon vanadium microalloyed non-quenched and tempered steel used in manufacturing crankshafts for high-power engines. …”
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  12. 212

    Microstructures evolution and enhanced performance of ZK60 magnesium alloys manufactured by multi-path asynchronous warm rolling by Haixin Zou, Wangxing Zhou, Dawen Liu, Peng Jiang

    Published 2025-06-01
    “…The results show that under the same rolling path, the number of twins in the microstructures of ZK60 alloys decreases with the increase of roll speed ratio (RSR), the grain size decreases and the uniformity increases. …”
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    Article
  13. 213

    Sustainable processing of tungsten heavy alloys via ultrasonic recycling and aluminum addition: microstructure and mechanical property optimization by H. M. Zidan, Ahmed I. Z. Farahat, Nora M. Hilal, Mona F. Amin, Omayma A. El-Kady

    Published 2025-06-01
    “…X-ray diffraction (XRD) and scanning electron microscopy (SEM) analyses confirmed phase evolution and significant microstructural refinement. The average tungsten grain size decreased from 17.9 μm (0% Al) to 9.8 μm (4% Al). …”
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    Article
  14. 214

    Macro-/Microstructural Features and Temperature Distribution of Pure Aluminum 1070 in Novel Thin Slab Continuous Casting Process by Qijia Mao, Fuan Hua, Zhuohuang Wu, Shuai Zhao, Guanglin Jia, Guo Yuan, Guodong Wang

    Published 2025-01-01
    “…Comprehensive investigations of the macrostructure and microstructure of the cast pure aluminum 1070 reveal a refined equiaxed crystal structure with an average grain size of 98 μm, significantly smaller than that obtained through conventional casting processes. …”
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    Article
  15. 215

    Effect of Deposition Conditions on Microstructure and Composition of Nitride Monolayer and Carbide-Nitride Multilayer Coatings Based on W and Nb by O.V. Maksakova, V.M. Beresnev, S.V. Lytovchenko, D.V. Horokh, B.O. Mazilin, I.O. Afanasieva, M. Čaplovičova, M. Sahul

    Published 2025-06-01
    “…The results demonstrate how controlled process parameters enable the design of high-performance nanocomposite coatings with tunable microstructure and phase composition, suitable for protective applications.…”
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    Article
  16. 216

    Effect of Sn Addition on Microstructure and Mechanical Properties of Extruded Mg3Al05SiO2 by LI Cai xia, ZHANG Cheng hao, LIU Hong xu, ZHANG Xu dong

    Published 2019-10-01
    “…The effects of Sn on the microstructures and mechanical properties of extruded Mg3Al05SiO2xSn (x=0,1,3,5,7,10) composites treated at 425℃+24h,180℃+16h and extruded Mg3Al05SiO2xSn (x=0,1,3,5,7,10) were studied, and the mechanism of Sn on them was explored The results indicate that adding nanoSiO2 has introduced a new highstrength and highhard spinel structure phase MgAl2O4 phase As the Sn content increases, the second phase undergoes the following changes: Mg2Si→Mg2(Six,Sn1x)→Mg2Sn, Mg3Al05SiO2xSn composite has remarkable grain refinement effect, and the grain size of Mg3Al05SiO27Sn in T4 and T6 samples is the smallest In asextruded samples, the strength and hardness increase significantly with the increase of Sn content, but the elongation increases first and them decreases The grain size of Mg3Al05SiO25Sn in extruded samples is the smallest and its distribution is uniform, and its comprehensive mechanical properties are the highest Sn content has no significant effect on the fracture mechanism of Mg3Al05SiO2xSn composites…”
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  17. 217

    Hierarchical microstructure design for strength-toughness optimization of 700 MPa steel rebars in deep coal mine roadways by Huan Zhang, Min Zhang, Zhunli Tan, Jianzhong He, Wenbo Yu, Xiaomin Zhao

    Published 2025-05-01
    “…This process not only leads to a heterogeneous microstructure containing ferrite and granular structure with different phase fractions but also promotes the precipitation of abundant nanosized V-precipitates, contributing to microstructure refinement. …”
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    Article
  18. 218

    Microstructure, mechanical and wear behavior of Mg/HEA-(CNT+GNP) surface composite produced by friction stir processing by H.R. Ezatpour, M. Jalalabadi, M. Torabi Parizi, G.R. Ebrahimi

    Published 2025-07-01
    “…The Mg/HEA-X% (CNT + GNP) surface composites (SCs) were systematically characterized in terms of microstructure, mechanical properties and wear surface morphology. …”
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    Article
  19. 219

    Effect of DC Micro-Pulsing on Microstructure and Mechanical Properties of TIG Welded Ti-6Al-4V by Jose Vypana, Nagumothu Kishore Babu, Mahesh Kumar Talari, Karni Vamsi Krishna, Chakravarthula Gopi Krishna, Ateekh Ur Rehman

    Published 2024-10-01
    “…This shows that high-frequency current has substantially refined prior β grains. The microstructure of the FZ is characterized by an acicular morphology composed of α, martensitic α′, and retained β phases. …”
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  20. 220

    Effect of heat input on microstructure and mechanical properties of AA6061 alloys fabricated by additive friction stir deposition by Q. Qiao, C.I. Tang, W.I. Lam, J. Pu, H. Shi, H. Qian, Z. Li, D. Guo, D. Zhang, C.T. Kwok, L.M. Tam

    Published 2024-11-01
    “…Heat input (HI) is the major factor that affects the surface quality, microstructure and mechanical properties of the deposition during the additive friction stir deposition (AFSD) process. …”
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    Article