HIGH-VELOCITY

作品数：63被引量：109H指数：6
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相关作者：尹健闫志巧蔡一湘陈峰杨素媛更多>>
相关机构：广州有色金属研究院中南大学矿冶科技集团有限公司北京理工大学更多>>
相关期刊：《Journal of Thermal Science》《Chinese Physics B》《Transactions of Nanjing University of Aeronautics and Astronautics》《Journal of Hydrodynamics》更多>>
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A high-velocity star recently ejected by an intermediate-mass black hole in M15
《National Science Review》2025年第2期23-28,共6页Yang Huang Qingzheng Li Jifeng Liu Xiaobo Dong Huawei Zhang Youjun Lu Cuihua Du 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB0550103);the National Natural Science Foundation of China(12422303,11903027 and 11833006);the National Key R&D Program of China(2023YFA1608303 and 2019YFA0405503);support from the National Natural Science Foundation of China(11988101 and 11933004);the New Cornerstone Science Foundation through the New Cornerstone Investigator Program and the XPLORER PRIZE.;support from the National Natural Science Foundation of China(12373013);the National Natu-ral Science Foundation of China(11973001,12090040 and 12090044);the National Key R&D Program of China(2019YFA0405504).
The existence of intermediate-mass black holes(IMBHs)is crucial for understanding various astrophysical phenomena,yet their existence remains elusive,except for the LIGO-Virgo detection.We report the discovery of a hi...
关键词：intermediate-mass black hole Hills mechanism hypervelocity star globular cluster large-scale survey 
High-velocity projectile penetration test and theoretical calculation of pseudo fluid penetration of calcareous sand
《Defence Technology（防务技术）》2024年第12期105-115,共11页Wei Guo Yanyu Qiu Mingyang Wang 
funded by the National Natural Science Foundation of China(Grant No.12072371);Jiangsu Natural Science Foundation(Grant No.BK20221528)。
To explore the penetration resistance of calcareous sand media,penetration tests have been conducted in the velocity range of 200-1000 m/s using conical-nosed projectiles with a diameter of 14.5 mm.Further,a pseudo fl...
关键词：Calcareous sand Penetration tests Slepyan hydrodynamic model Internal friction penetration model 
Selection of shaped charges parameters for producing aluminum particles with velocities in the range of 2.5-16 km/s
《Defence Technology（防务技术）》2024年第8期126-135,共10页Vladimir I.Kolpakov Sergey V.Fedorov Ekaterina P.Vinogradova Irina A.Bolotina 
Testing rocket and space technology objects in ground conditions for resistance to the impact of meteoroids and fragments of space debris can be carried out using shaped charges. To substantiate the design parameters ...
关键词：Space debris Meteoric impact Explosion Shaped charge High-velocity aluminum element Segmental liner Combined liner Numerical simulation 
Research on High-Velocity Impact Damage Monitoring Method of CFRP Based on Guided Wave被引量：1
《Transactions of Nanjing University of Aeronautics and Astronautics》2024年第S01期60-69,共10页WANG Yang YANG Xiaofei QIU Lei YUAN Shenfang 
supported by the National Natural Science Foundation of China(Nos.51921003,52275153);the Fundamental Research Funds for the Central Universities(No.NI2023001);the Research Fund of State Key Laboratory of Mechanics and Control for Aero-space Structures(No.MCAS-I-0423G01);the Fund of Pro-spective Layout of Scientific Research for Nanjing University of Aeronautics and Astronautics;the Priority Academic Program Development of Jiangsu Higher Education Institu-tions of China.
Carbon fiber-reinforced polymer(CFRP)is widely used in aerospace applications.This kind of material may face the threat of high-velocity impact in the process of dedicated service,and the relevant research mainly cons...
关键词：guided waves structural health monitoring(SHM) carbon fiber reinforced polymer(CFRP) high-velocity impact 
Ballistic performances of the hourglass lattice sandwich structures under high-velocity fragments
《Defence Technology（防务技术）》2024年第1期312-325,共14页He-xiang Wu Jia Qu Lin-zhi Wu 
supported by the Defense Industrial Technology Development Program(Grant No.JCKY2018604B004);the National Natural Science Foundation of China(Grant No.11972007)。
In this paper,the numerical simulation method is used to study the ballistic performances of hourglass lattice sandwich structures with the same mass under the vertical incidence of fragments.Attention is paid to eluc...
关键词：Hourglass lattice sandwich structures Ballistic performances high-velocity Finite element analysis 
Surrogate-assisted optimization for anti-ship missile body configuration considering high-velocity water touching被引量：2
《Chinese Journal of Aeronautics》2023年第12期268-281,共14页Nianhui YE Teng LONG Junhui MENG Renhe SHI Baoshou ZHANG 
co-supported by the National Natural Science Foundation of China(Nos.52272360,52005288,52232014);the Beijing Municipal Natural Science Foundation,China(No.3222019);the BIT Research and Innovation Promoting Project,China(No.2022YCXZ017)。
As a crucial weapon in the sea battle,anti-ship missiles generally employ a sea-skimming penetration strategy to reduce the probability of being detected by the target radar,which greatly increases the risk of touchin...
关键词：Surrogate-assisted optimiza-tion Fluid-structureinteraction Arbitrary Lagrange-Eulerian MISSILE Conceptual design 
High-Velocity Projectile Impact Behaviour of Friction Stir Welded AA7075 Thick Plates
《Defence Technology（防务技术）》2023年第11期153-163,共11页R.Praveen S.R.Koteswara Rao G.Selvakumar R.Damodaram 
funding from the Armament Research Board(ARMREB),Defence Research and Development Organization(DRDO),Ministry of Defence,Government of India (Grant no.:ARMREB/MAA/2018/200)。
In this study, high velocity impact behaviour of friction stir welded AA7075-T651 25 mm thick plates were investigated using a 7.62 mm × 51 mm lead core and 7.62 mm × 39 mm steel core projectiles. Prior to ballistic...
关键词：Aluminum alloy Thick plate Friction stir welding Ballistic performance Depth of penetration 
Comparative investigation of microstructure and high-temperature oxidation resistance of high-velocity oxy-fuel sprayed CoNiCrAlY/nano-Al_(2)O_(3) composite coatings using satellited powders被引量：2
《International Journal of Minerals,Metallurgy and Materials》2023年第9期1779-1791,共13页Pejman Zamani Zia Valefi 
Satellited CoNiCrAlY–Al_(2)O_(3)feedstocks with 2wt%, 4wt%, and 6wt% oxide nanoparticles and pure CoNiCrAlY powder were deposited by the high-velocity oxy fuel process on an Inconel738 superalloy substrate. The oxida...
关键词：MCrAlY coating CoNiCrAlY-Al_(2)O_(3)composite satellited feedstock MICROSTRUCTURE high-temperature oxidation high-velocity oxy-fuel spraying 
超音速火焰喷涂CoNiCrAlY涂层的动态力学性能研究被引量：2
《稀有金属》2023年第4期475-483,共9页刘修苹 杨素媛 郭丹 
国家自然科学基金项目(51571031)资助。
采用超音速火焰喷涂(high-velocity oxygen fuel, HVOF)方法在GH4169表面制备CoNiCrAlY封严涂层。采用扫描电子显微镜(SEM)、能谱仪(EDS)和X射线衍射仪(XRD)分析了涂层的微观形貌和物相成分。采用涂层结合强度拉伸试验和分离式霍普金森...
关键词：超音速火焰喷涂(high-velocity oxygen fuel HVOF) CoNiCrAlY涂层 微观组织 动态力学性能 
Mechanical property and cellular structure of an additive manufactured FeCoNiCrMo_(0.2) high-entropy alloy at high-velocity deformation被引量：2
《Journal of Materials Science & Technology》2023年第8期156-166,共11页Wenshu Li YiYu Huang ZhongHao Xie Haoyu Chen Weihua Li Bin Liu Bingfeng Wang 
The present work was financially supported by the National Natural Science of China(No.52020105013);by the State Key Laboratory of Powder Metallurgy(No.62102172).
The microstructural modification for cellular structures can achieve the improvement of dynamic me-chanical properties of a selective laser melted FeCoNiCrMo_(0.2)high-entropy alloy(SLM-FeCoNiCrMo_(0.2)HEA)and can exp...
关键词：FeNiCr-based HEA Additive manufacturing Mechanical property Cellular structure Strengthening mechanisms 
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