QUASI-CRYSTAL

作品数：19被引量：41H指数：3
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Quantitative Strengthening Evaluation of Mg-Zn-Y Alloys Containing Icosahedral Quasi-Crystalline Phase
《稀有金属材料与工程》2025年第3期612-617,共6页Wang Yingnan Meng Xiaokai Guo Junhong 
National Natural Science Foundation of China(12072166);Inner Mongolia Autonomous Region Science and Technology Plan Project(2021GG0254);Supported by Key Laboratory of Infinite-Dimensional Hamiltonian System and Its Algorithm Application(Inner Mongolia Normal University),Ministry of Education(2023KFZD02);Inner Mongolia Autonomous Region Applied Mathematics Center Independent Research Key Project(ZZYJZD2022002);Inner Mongolia Autonomous Region Universities Basic Scientific Business Fee Research Project(JY20220075)。
Mg-4.8Zn-0.8Y,Mg-18Zn-3Y,Mg-15Zn-5Y,Mg-30Zn-5Y and Mg-42Zn-7Y(wt%)alloys containing icosahedral quasicrystalline phases were prepared using the ordinary solidification method.The impact of Mg matrix porosity on the te...
关键词：Mg-Zn-Y alloy Mg matrix porosity mechanical properties quantitative analysis 
Nonlinear photonic quasi-periodic spiral
《Chinese Optics Letters》2024年第3期112-117,共6页曾静 王森 赵如薇 刘永兴 徐铁峰 盛艳 徐天翔 
supported by the National Natural Science Foundation of China(Nos.62275136,61905124,12274248,and 62090063);the Natural Science Foundation of Zhejiang Province(No.LY22F050009);the Yongjiang Scholar Foundation of Ningbo;the K.C.Wong Magna Fund of Ningbo University。
The design of nonlinear photonic Vogel's spiral based on quasi-crystal theory was demonstrated.Two main parameters of Vogel's spiral were arranged to obtain multi-reciprocal circles.Typical structure was fabricated by...
关键词：nonlinear photonic quasi-crystal second-harmonic generation Vogel's spiral nonlinear Raman-Nath diffraction femtosecond laser poling 
Interfacial fracture analysis for a two-dimensional decagonal quasi-crystal coating layer structure被引量：3
《Applied Mathematics and Mechanics(English Edition)》2021年第11期1633-1648,共16页Minghao ZHAO Cuiying FAN C.S.LU Huayang DANG 
the National Natural Science Foundation of China (Nos. 11572289,1171407,11702252,and 11902293);the China Postdoctoral Science Foundation (No. 2019M652563)。
The interface crack problems in the two-dimensional(2D)decagonal quasicrystal(QC)coating are theoretically and numerically investigated with a displacement discontinuity method.The 2D general solution is obtained base...
关键词：two-dimensional(2D)decagonal quasi-crystal(QC)coating interface crack analogy method displacement discontinuity stress intensity factor(SIF) energy release rate(ERR) 
Guided Waves in the Multilayered One-Dimensional Hexagonal Quasi-crystal Plates被引量：3
《Acta Mechanica Solida Sinica》2021年第1期91-103,共13页B.Zhang J.G.Yu X.M.Zhang X.H.Wang 
The authors gratefully acknowledge the support by the National Natural Science Foundation of China(No.U1804134 and No.51975189);the Program for Innovative Research Team of Henan Polytechnic University(No.T2017-3);the Key Scientific and Technological Project of Henan Province(Nos.192102210189 and 182102210314).
Guided waves in the multilayered one-dimensional quasi-crystal plates are,respectively,investigated in the context of the Bak and elasto-hydrodynamic models.Dispersion curves and phonon and phason displacements are ca...
关键词：Multilayered structures Quasi-crystal plate Guided wave Phonon-phason coupling effect 
Highly efficient surface-emitting semiconductor lasers exploiting quasi-crystalline distributed feedback photonic patterns
《Light(Science & Applications)》2020年第1期1498-1508,共11页Simone Biasco Andrea Ciavatti Lianhe Li AGiles Davies Edmund H.Linfield Harvey Beere David Ritchie Miriam S.Vitiello 
supported by the European Research Council through the ERC Consolidator Grant(681379)SPRINT;support from the EPSRC(HyperTerahertz programme,EP/P021859/1);support from the Royal Society and the Wolfson Foundation.
Quasi-crystal distributed feedback lasers do not require any form of mirror cavity to amplify and extract radiation.Once implemented on the top surface of a semiconductor laser,a quasi-crystal pattern can be used to t...
关键词：LASERS surface quantum 
Vortex quasi-crystals in mesoscopic superconducting samples
《Chinese Physics B》2016年第8期361-368,共8页王璟琨 张威 Sde Melo C A R 
supported by the National Natural Science Foundation of China(Grant Nos.11274009,11434011,and 111522436);the National Key Basic Research Program of China(Grant No.2013CB922000);the Research Funds of Renmin University of China(Grant Nos.10XNL016 and 16XNLQ03);the Program of State Key Laboratory of Quantum Optics and Quantum Optics Devices(Grant No.KF201404)
There seems to be a one to one correspondence between the phases of atomic and molecular matter（AMOM） and vortex matter（VM） in superfluids and superconductors. Crystals, liquids, and glasses have been experimental...
关键词：vortex matter QUASI-CRYSTAL mesoscopic superconductor 
Structure Mechanism of Ordinary Matter Mass Formation
《Journal of Modern Physics》2016年第9期875-891,共17页Sergey N. Golubev 
The famous paradoxes of quantum mechanics are created by the fact that elementary particles exist as the alternation between two structural states with different properties. This leads to probabilistic behavior, uncer...
关键词：Quantum Mechanics Physical Vacuum Quasi-Crystalline Structure Mass Formation Dark Matter Higgs Bosons GRAVITATION 
Microstructure and phase transformation of as-cast and annealed Mg–4Zn–1Y alloy containing quasi-crystal phase被引量：8
《Rare Metals》2015年第4期239-244,共6页Yang Yang Kui Zhang Xing-Gang Li Yong-Jun Li Ming-Long Ma Guo-Liang Shi Jia-Wei Yuan 
financially supported by the National Natural Science Foundation of China(Nos.50835002 and 51105102)
By means of optical microscope （OM）, X-ray diffraction （XRD）, scanning electron microscopy （SEM） and transmission electron microscopy （TEM） analyses, the microstructures of as-cast and heat-treated Mg--4Zn-IY ...
关键词：Mg-Zn-Y alloy Heat treatment MICROSTRUCTURE Phase transformation Icosahedral quasi-crystal 
Supermode analysis of seven-core photonic quasi-crystal fibers
《Chinese Optics Letters》2013年第8期35-38,共4页李志全 刘梦 郝锐 童凯 王志斌 
supported by the National Natural Science Foundation of China(Nos.61172044 and 61107039);the Natural Science Foundation of Hebei Province(No.F2012203204)
We design custom-shaped modes for a sixfold symmetric photonic quasi-crystal fiber （PQF）, an optical fiber with a sixfold symmetric quasi-periodic array of air holes in the cladding region. The supermodes of the PQF...
关键词：Eigenvalues and eigenfunctions Optical fibers Optimization QUASICRYSTALS Structural design 
Fabrication of Mg-Zn-Y-based quasi-crystal by pouring melt into different cooling media被引量：2
《China Foundry》2012年第3期207-214,共8页Wang Zhifeng Zhao Weimin Qin Chunling Hur Bo-Young 
supported by Natural Science Foundation of Hebei Province, China (E2010000057, E2010000121, E2012202017);International S & T Cooperation Program of China (2010DFA51850)
Mg-Zn-Y-based quasi-crystal （QC） alloys were fabricated by pouring melts into different cooling media. The effects of different cooling rates on the QC morphology, size, volume fraction and micro-hardness were studi...
关键词：QUASI-CRYSTALS cooling media magnesium alloy Mg-Zn-Y-based alloys 
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