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33篇 您的检索式:作者名="Zhang Changrui"
    题名 作者 年代 出处 被引量
1Ablation and radar-wave transmission performances of the nitride ceramic matrix composites显示文摘The 2.5 dimensional silica fiber reinforced nitride matrix composites (2.5D SiO2f/Si3N4-BN) were prepared through the preceramic polymer impregnation pyro- lysis (PIP) method. The ablation and radar-wave transparent performances of the composite at high temperature were evaluated under arc jet. The composition and ablation surface microstructures were studied by X-ray diffraction (XRD) and scanning electron microscope (SEM). The results show that the 2.5D SiO2f/Si3N4-BN composites have a linear ablation rate of 0.33 mm/s and high radar-wave trans- parent ratio of 98.6%. The fused layer and the matrix are protected by each other, and no fused layer accumulates on the ablation surface. The nitride composite is a high-temperature ablation resistivity and microwave transparent material.JIANG YongGang ZHANG ChangRui CAO Feng WANG SiQing HU HaiFeng QI GongJin 2008Science China(Technological Sciences)2008,51,1:14
2Fabrication and oxidation resistance of silicon nitride fiber reinforced silica matrix wave-transparent composites显示文摘Wave-transparent ceramic matrix composites for the high temperature use should possess excellent oxidation resistance. In this work, Si3N4f/SiO2 composites with different fiber content were fabricated by filament winding and sol gel method. The oxidation resistance was investigated by tracking the response of flexural strength to the testing temperature. The results show that the flexural strength and toughness of the composites with fiber content of over 37% can reach high levels at around 175.0 MPa and 6.2 MPa m^1/2, respectively. After 1 h oxidation at 1100℃, the flexural strength drops a lot but can still reach 114.4 MPa, which is high enough to ensure the safety of structures. However, when the oxidation temperature rises to 1200–1400℃, the flexural strengths continue to fall to a relatively low level at 50.0–66.4 MPa. The degradation at high temperatures is caused by the combination of over strong interfacial bonding, the damage of fiber and the crystallization of silica matrix.Xuejin Yang Bin Li Duan Li Changwei Shao Changrui Zhang Chunrong Zou Kun Liu 2019Journal of Materials Science & Technology2019,35,12:4
3Effects of heat treatment on properties of boron nitride fiber显示文摘The boron nitride fibers were heated at the range of 600-1400oC in flowing nitrogen and air, respectively, and the effects of heat treatment on the structure, composition and morphology of BN fibers were studied. The results showed that BN fibers exhibited smooth surfaces, and that t-BN was the main phase with a little B2O3 included. After heat treatment at 1400oC in nitrogen atmosphere, the fibers displayed rough surfaces with little change in mass. Better crystallinity was obtained with the increasing temperature. During heat treatment in air, the fibers were oxidized severely as the temperature went up, especially at 1400oC. The volatilization of B2O3, HBO2 and H3BO3 led to the pores on the surfaces of the fibers, while the boron oxide glaze and nitrogen gas produced during the oxidation process protected the fibers from further oxidation.LI Duan ZHANG ChangRui LI Bin CAO Feng WANG SiQing 2012Science China(Technological Sciences)2012,55,5:4
4Fabrication of high performance 3D SiO_2/Si_3N_4 composite via perhydropolysilazane infiltration and pyrolysis显示文摘Perhydropolysilazane, a low viscosity preceramic polymer with good wettability and high char yield, was used to fabricate three-dimensional silica fiber reinforced silicon nitride matrix composites through the repeated infiltration-curing- pyrolysis cycles. With the increase of the pyrolysis temperature from T1, T2 to T3, the density of the composites increased all through, but the flexural strength showed a maximum value at T2 followed by a sharp decrease. The composite prepared at T2 exhibited a good ceramization of the preceramic polymer, a high flexural strength of 144.9 MPa and excellent dielectric property. The high performance of the composite resulted from the good state of the silica fibers, controlled fiber/matrix interfacial microstructures and high-purity dense silicon nitride matrix.QI Gongjin ZHANG Changrui HU Haifeng CAO Feng WANG Siqing JIANG Yonggang 2005Science China(Technological Sciences)2005,48,6:3
53D printed fiber-optic nanomechanical bioprobe显示文摘Ultrasensitive nanomechanical instruments,e.g.atomic force microscopy(AFM),can be used to perform delicate biomechanical measurements and reveal the complex mechanical environment of biological processes.However,these instruments are limited because of their size and complex feedback system.In this study,we demonstrate a miniature fiber optical nanomechanical probe(FONP)that can be used to detect the mechanical properties of single cells and in vivo tissue measurements.A FONP that can operate in air and in liquids was developed by programming a microcantilever probe on the end face of a single-mode fiber using femtosecond laser two-photon polymerization nanolithography.To realize stiffness matching of the FONP and sample,a strategy of customizing the microcantilever’s spring constant according to the sample was proposed based on structure-correlated mechanics.As a proof-of concept,three FONPs with spring constants varying from 0.421 N m^(−1)to 52.6 N m^(−1)by more than two orders of magnitude were prepared.The highest microforce sensitivity was 54.5 nmμN^(−1)and the detection limit was 2.1 nN.The Young’s modulus of heterogeneous soft materials,such as polydimethylsiloxane,muscle tissue of living mice,onion cells,and MCF-7 cells,were successfully measured,which validating the broad applicability of this method.Our strategy provides a universal protocol for directly programming fiber-optic AFMs.Moreover,this method has no special requirements for the size and shape of living biological samples,which is infeasible when using commercial AFMs.FONP has made substantial progress in realizing basic biological discoveries,which may create new biomedical applications that cannot be realized by current AFMs.Mengqiang Zou Changrui Liao Yanping Chen Lei Xu Shuo Tang Gaixia Xu Ke Ma Jiangtao Zhou Zhihao Cai Bozhe Li Cong Zhao Zhourui Xu Yuanyuan Shen Shen Liu Ying Wang Zongsong Gan Hao Wang Xuming Zhang Sandor Kasas Yiping Wang 2023International Journal of Extreme Manufacturing2023,5,1:1
6Preparation and characterization of three-dimensional carbon fiber reinforced zirconium carbide composite by precursor infiltration and pyrolysis process显示文摘Dan Zhao Changrui Zhang Haifeng Hu Yudi Zhang 2011Ceramics International2011,,7:1
7Ablation behavior and mechanism of 3D C/ZrC composite in oxyacetylene torch environment显示文摘Dan Zhao Changrui Zhang Haifeng Hu Yudi Zhang 2011Composites Science and Technology2011,,11:1
8显示文摘Wang Juan Zhang Changrui Feng Jian 2004Acta Phys Chim Sin2004,20,12:1
9Preparation and characterization of three-dimensional carbon fiber rein- forced zirconium carbide composite by precursor infiltration and pyrolysis process显示文摘Zhao Dan Zhang Changrui Hu Haifeng 2011Ceram Int2011,37,7:1
10Influence of processing parameters on synthesis of nano-sized AlN powders显示文摘Kuang Jiacai Zhang Changrui Zhou Xingui 2004J Cryst Growth2004,263,:1
11Crystal- lization be havior of three-dimensionalsiliea fiber reinforced silicon nitride composite显示文摘QI Gongjin ZHANG Changrui HU Haifeng 2005Journal of Crystal Growth2005,284,12:1
12Crystallization behavior of three-dimensional silica fiber reinforced silicon nitride composite显示文摘Qi Gongjin Zhang Changrui Hu Haifeng 2005J Crystal Growth2005,284,:1
13Effects of SiC interphase by chemical vapor deposition on the properties of C/ZrC composite prepared via precursor infiltration and pyrolysis route显示文摘Si’an Chen Yudi Zhang Changrui Zhang Dan Zhao Haifeng Hu Zhibin Zhang 2013Materials and Design2013,,:1
14Mechanical behavior of SiC f /SiC composites with alternating PyC/SiC multilayer interphases显示文摘Haijiao Yu Xingui Zhou Wei Zhang Huaxin Peng Changrui Zhang 2013Materials and Design2013,,:1
15Microstructure and properties of porous silicon nitride ceramics prepared by gel-casting and gas pressure sintering显示文摘Chunrong Zou Changrui Zhang Bin Li Siqing Wang Feng Cao 2013Materials and Design2013,,:1
16Preparation and mechanical properties of C/SiC nuts and bolts显示文摘Guangde Li Changrui Zhang Haifeng Hu Yudi Zhang 2012Materials Science & Engineering A2012,,:1
17Preparation and characterization of three-dimensional carbon fiber reinforced zirconium carbide composite by precursor infiltration and pyrolysis process显示文摘ZHAO Dan ZHANG Changrui HU Haifeng 2011Ceramics International2011,37,7:1
18Crystallization behavior of three-dimensional silica fiber reinforced silicon nitride composite 显示文摘Qi Gongjin Zhang Changrui Hu Haifeng 2005J Crystal Growth2005,284,12:1
19Ablation behavior and mechanism of 3D C/ZrC composite in oxyacetylene torch environment显示文摘Dan Zhao Changrui Zhang Haifeng Hu Yudi Zhang 2011Composites Science and Technology2011,,11:1
20Properties of carbon nano-tubes–C f /SiC composite by precursor infiltration and pyrolysis process显示文摘Haijiao Yu Xingui Zhou Wei Zhang Huaxin Peng Changrui Zhang Ke Sun 2011Materials and Design2011,,6:1
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