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MICRO-STRUCTURE: 作品数：123被引量：328H指数：8; 导出分析报告; 相关领域：理学更多>>; 相关作者：夏伟李风雷李宁赵婧周晓国更多>>; 相关机构：清华大学华南理工大学瑞典皇家理工学院中国科学技术大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划国家高技术研究发展计划更多>>

Micro-structure evolution, precipitation behavior and strengthening mechanism of Ni-Cr-Mo system steel fabricated via laser powder bed fusion and subsequent quenching control: 《Chinese Journal of Aeronautics》2025年第3期560-592,共33页Qing WANG Deyin KONG Shihui ZHOU Xingran LI Zhihui ZHANG; High-performance 24CrNiMo steel was fabricated using Laser Powder Bed Fusion (LPBF). Subsequent quenching treatment was applied and the influence of quenching temperatures on micro-structure evolution and properties w...; 关键词：Laser powder bed fusion 24CrNIMo steel Quenching control Micro-structure evolution Precipitate Comprehensive properties Strengthening mechanisms

Wire-Arc Directed Energy Deposition of Magnesium Alloys:Defects,Macro-and Micro-Structure,and Mechanical Performance: 《Additive Manufacturing Frontiers》2024年第4期115-140,共26页Qianhui Cao Bojin Qi Caiyou Zeng Qingfu Yang Zihao Jiang Ruize Zhang Yong Xie Fude Wang Baoqiang Cong; supported by National Natural Science Foundation of China(Grant Nos.52305331,U20B2031);China Postdoctoral Science Foundation(Grant No.2022M710298);Fundamental Research Funds for the Central Universities,China(Grant No.YWF-22-L-607).; Wire-arc directed energy deposition(WA-DED)has emerged as a transformative technology for producing large-scale metal components owing to its capacity for cost-effective fabrication and suitable deposition rates.Recen...; 关键词：Wire-arc directed energy deposition(WA-DED) Magnesium alloys Forming quality Internal defects Microstructural evolution Mechanical properties

Micro-structure and Macro-performance:Surface Layer Evolution of Concrete under Long-term Exposure in Harsh Plateau Climate: 《Journal of Wuhan University of Technology(Materials Science)》2024年第6期1496-1506,共11页CHEN Xin CUI Anqi ZHENG Haitao YANG Wencui HUANG Xin GE Yong LI Lihui; Funded by the Science&Technology Project of the Department of Transport of Tibet Autonomous Region(No.XZJTKJ2020[04])。; We conducted a series tests on surface layers of plateau concrete at the ages of 180 and 540 days,including the most superficial cement paste,the 5 mm thick surface mortar,and the 50 mm thick surface concrete.Thermogr...; 关键词：CONCRETE pore structure interface transition zone mechanical property chloride ion impenetrability PLATEAU

Characteristic and optimization of ferrite-rich sulfoaluminate-based composite cement suitable for cold region tunnels: 《Journal of Central South University》2024年第8期2794-2809,共16页PENG You LI Li TAN Xian-jun QIU Xin ZHENG Pei-chao XIE Jun CHEN Wei-zhong REZIWANGULI Sha-ta-er; Projcet(52279119)supported by the National Natural Science Foundation of China;Project(XZ202201ZY0021G)supported by the Science and Technology Planning Project of Xizang Autonomous Region,China;Project(2019QZKK0904)supported by the Second Xizang Plateau Scientific Expedition and Research Program of China;Project(51922104)supported by the National Natural Science Foundation for Distinguished Young Scholars of China。; To develop suitable grouting materials for water conveyance tunnels in cold regions,firstly,this study investigated the performance evolution of ferrite-rich sulfoaluminate-based composite cement(FSAC grouting materia...; 关键词：ferrite-rich sulfoaluminate cement cold zone early strength synergist mechanical property MICRO-STRUCTURE pumped storage power

Insights into Nano-and Micro-Structured Scaffolds for Advanced Electrochemical Energy Storage被引量：1: 《Nano-Micro Letters》2024年第7期187-230,共44页Jiajia Qiu Yu Duan Shaoyuan Li Huaping Zhao Wenhui Ma Weidong Shi Yong Lei; The authors acknowledge support from the German Research Foundation(DFG:LE 2249/5-1);the Sino-German Center for Research Promotion(GZ1579);Yunnan Fundamental Research Projects(202201AW070014);Jiajia Qiu and Yu Duan appreciate support from the China Scholarship Council(No.201908530218&202206990027).; Adopting a nano-and micro-structuring approach to fully unleashing the genuine potential of electrode active material benefits in-depth understandings and research progress toward higher energy density electrochemical...; 关键词：Nano-and micro-structured Interconnected porous Scaffolds Electrode design Electrochemical energy storage

High-fidelity model to predict heat transfer enhancement for liquid film boiling on uniform micro-structured wicking surfaces: 《National Science Review》2024年第6期86-88,共3页Vishwanath Ganesan Mohammad Jalal Inanlu Nenad Miljkovic; The field of thermal management in high-power electronic devices is a critical area of study,focusing on the efficient dissipation of heat to prevent device overheating and failure[1].A key aspect of this field is und...; 关键词：BOILING UNIFORM film

Model of self-generated magnetic field generation from relativistic laser interaction with solid targets: 《Chinese Physics B》2024年第5期511-517,共7页严睿邹德滨赵娜杨晓虎蒋祥瑞胡理想徐新荣周泓宇余同普卓红斌邵福球银燕; supported by the National Natural Science Foundation of China(Grant Nos.12175310,12305268,and U2241281);the Natural Science Foundation of Hunan Province(Grant Nos.2024JJ6184,2022JJ20042,and 2021JJ40653);the Scientific Research Foundation of Hunan Provincial Education Department(Grant Nos.22B0655 and 22A0435)。; Generation of self-generated annular magnetic fields at the rear side of a solid target driven by relativistic laser pulse is investigated by using theoretical analysis and particle-in-cell simulations.The spatial str...; 关键词：self-generated magnetic field laser solid-target interaction micro-structured plasma grating

Temperature-induced Evolution of Micro-structure and Chain Dynamics in Thermoplastic Polyurethane with Low Hard Segment Content as Studied by In Situ Synchrotron SAXS and Time-Domain NMR Experiments被引量：1: 《Chinese Journal of Polymer Science》2023年第12期1902-1911,I0008,共11页Hong-Ru Wang Victor Litvinov Wei Yu Kar Wee Eddie Peh Qian-Li Yu Yong-Feng Men; financially supported by the National Natural Science Foundation of China (No. 22161132007);BASF within the framework of NAO (Network for Advanced Materials Open Research)。; The microstructural evolution of a thermoplastic polyurethane(TPU)with low hard segment content has been monitored utilizing in situ real-time synchrotron small angle X-ray scattering(SAXS)and time-domain nuclear magn...; 关键词：Phase separation Thermoplastic polyurethane Melting behavior Time-domain NMR SAXS

激光选区熔化技术制备高熵合金的研究进展: 《Science China Materials》2023年第11期4165-4181,共17页宋鑫芳张勇; supported by Guangdong Basic and Applied Basic Research Foundation(2019B1515120020);the Creative Research Groups of China(51921001);the National Natural Science Foundation of China(52273280)。; 高熵合金的多组分特性使其具有许多传统合金无法比拟的优异性能.然而,高熵合金传统的制备方法仍存在一定的局限性.激光选区熔化(SLM)技术可以通过逐层沉积的方式实现复杂零件的精密成形.将SLM技术与高熵合金相结合,可以充分发挥高熵合...; 关键词：high-entropy alloys selective laser melting micro-structure characteristics performance characteristics potential applications

Role of nanomaterials in improving the functionality of probiotics;integration of nanotechnology onto micro-structured platforms: 《Food Bioscience》2023年第3期3154-3167,共14页Alireza Sadeghi Maryam Ebrahimi Mohammad Saeed Kharazmi Seid Mahdi Jafari; There is a growing interest in the production of probiotics(PRO)enriched food and pharmaceutical products as personalized nutrition and/or medicines.Due to the limitations associated with PRO such as their survival an...; 关键词：Next-generation probiotics Nanostructured platforms Efficiency Smart constructs BIOSAFETY

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