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| 1 | Preparation and anisotropic properties of textured structural ceramics: A review显示文摘Ceramics are usually composed of randomly oriented grains and intergranular phases, so their properties are the statistical average along each direction and show isotropy corresponding to the uniform microstructures. Some methods have been developed to achieve directional grain arrangement and preferred orientation growth during ceramic preparation, and then textured ceramics with anisotropic properties are obtained. Texture microstructures give particular properties to ceramics along specific directions, which can effectively expand their application fields. In this review, typical texturing techniques suitable for ceramic materials, such as hot working, magnetic alignment, and templated grain growth(TGG), are discussed. Several typical textured structural ceramics including α-Al2O3 and related nacre bioinspired ceramics, Si3N4 and SiAlON, h-BN, MB2 matrix ultra-high temperature ceramics, MAX phases and their anisotropic properties are presented. | Zhuo ZHANG Xiaoming DUAN Baofu QIU Zhihua YANG Delong CAI Peigang HE Dechang JIA Yu ZHOU | 2019 | Journal of Advanced Ceramics2019，8，3： | 14 |
| 2 | Progress of a novel non-oxide Si-B-C-N ceramic and its matrix composites显示文摘In the past twenty years,Si-B-C-N ceramic has attracted wide attention due to its special structure and outstanding properties.The ceramic generally has an amorphous or a nano-crystalline structure,and has excellent structural stability,oxidation resistance,creep resistance and high-temperature mechanical properties,etc.Thus,Si-B-C-N ceramic attracts many researchers and finds potential applications in transportation,aerocraft,energy,information,microelectronics and environment,etc.Much work has been carried out on its raw materials,preparation processes,structural evolution,phase equilibrium and high-temperature properties.In recent years,many researchers focus on its new preparation methods,the preparation of dense ceramic sample with large dimensions,ceramic matrix composites reinforced by carbon fiber or SiC whisker,or components with various applications.Research on Si-B-C-N ceramic will develop our insight into the relationship between structures and properties of ceramics,and will be helpful to the development of novel high-performance ceramics.This paper reviews the preparation processes,general microstructures,mechanical,chemical,electrical and optical properties,and potential applications of Si-B-C-N ceramic,as well as its matrix composites. | Pengfei ZHANG Dechang JIA Zhihua YANG Xiaoming DUAN Yu ZHOU | 2012 | Journal of Advanced Ceramics2012，1，3： | 11 |
| 3 | The effect of applied voltages on the structure,apatite-inducing ability and antibacterial ability of micro arc oxidation coating formed on titanium surface显示文摘The micro arc oxidation(MAO)coatings with different concentrations of Ca,P and Zn elements are successfully formed on the titanium substrate at the different applied voltages.After MAO treatment,the MAO coating exhibits the porous surface structure and composed of anatase and rutile TiO2 phases.Meanwhile,the average size and density of micro-pores on the MAO coatings have been modified via the adjusting the applied voltages.In addition,the contents of the incorporated elements such as Zn,Ca and P elements in the MAO coatings have been optimized.The bonding strength test results reveal that the MAO coating shows higher bonding strength,which is up to 45±5 MPa.Compared to the pure Ti plate,the MAO coating formed at 350 and 400 V show good apatite-inducing ability.Meanwhile,the MAO coating containing Zn,Ca and P elements have better antibacterial ability for E.coli and S.aureus.Thus,the incorporation of Zn,Ca and P elements was an effective method to improve the antibacterial ability.Moreover,the concentrations of Zn,Ca and P elements could be adjusted with the changing of the applied voltages.As a result,the enhancement of the antibacterial ability on the MAO coating surfaces was depended on the comprehensive effect of the incorporated elements and the surface property of MAO coatings. | Qing Du Daqing Wei Yaming Wang Su Cheng Shang Liu Yu Zhou Dechang Jia | 2018 | Bioactive Materials2018，3，4： | 6 |
| 4 | Direct ink writing of continuous SiO2 fiber reinforced wave-transparent ceramics显示文摘This article reports the first example of 3D printed continuous SiO2 fiber reinforced wave-transparent ceramic composites via an adaptation of direct ink writing technology to improve the mechanical and dielectric properties of ceramics.The ceramic inks showed good printability by adding nano-SiO2 powder.The effective continuous fiber-reinforced printing progress was achieved through the design and optimization of the coaxial needle structures by finite element simulation.After printing,the continuous fibers were evenly and continuously distributed in the matrix ceramics and the high molding precision for fiber reinforced composite was kept.It is demonstrated that 10 vol%continuous SiO2 fiber improved the bending strength of ceramics by about 27%better than that of the ceramics without fiber and the dielectric performance has also been greatly improved.The novel method unravels the potential of direct ink writing of continuous fiber reinforced wave-transparent ceramics with complex structures and improved properties. | Zhe Zhao Guoxiang Zhou Zhihua Yang Xianqi Cao Dechang Jia Yu Zhou | 2020 | Journal of Advanced Ceramics2020，9，4： | 4 |
| 5 | Microstructure and mechanical properties of SiC_(f)/SiBCN ceramic matrix composites显示文摘SiC fiber reinforced SiBCN ceramic matrix composites(CMCs)have been prepared by mechanical alloying and consolidated by hot pressing.During the sintering process,amorphous SiC fibers crystallized seriously and transformed into-SiC.Meanwhile,the interfacial carbothermal reactions caused the strong bonding between the matrix and fibers.As a result,SiCf/SiBCN fractured in a typical catastrophic manner.Room-temperature mechanical properties reached the maximums for the CMC samples sintered at 1900℃/60 MPa/30 min.The density,flexural strength,Young’s modulus and fracture toughness are 2.56±0.02 g/cm^(3),284.3±17.9 MPa,183.5±11.1 GPa and 2.78±0.14 MPa·m^(1/2),respectively. | Jiaying WANG Zhihua YANG Xiaoming DUAN Dechang JIA Yu ZHOU | 2015 | Journal of Advanced Ceramics2015，4，1： | 3 |
| 6 | Recent advances in preparation,properties and device applications of twodimensional h-BN and its vertical heterostructures显示文摘Two-dimensional(2D) layered materials,such as graphene,hexagonal boron nitride(h-BN),molybdenum disulfide(Mo S_2/,have attracted tremendous interest due to their atom-thickness structures and excellent physical properties.h-BN has predominant advantages as the dielectric substrate in FET devices due to its outstanding properties such as chemically inert surface,being free of dangling bonds and surface charge traps,especially the large-band-gap insulativity.h-BN involved vertical heterostructures have been widely exploited during the past few years.Such heterostructures adopting h-BN as dielectric layers exhibit enhanced electronic performance,and provide further possibilities for device engineering.Besides,a series of intriguing physical phenomena are observed in certain vertical heterostructures,such as superlattice potential induced replication of Dirac points,band gap tuning,Hofstadter butterfly states,gate-dependent pseudospin mixing.Herein we focus on the rapid developments of h-BN synthesis and fabrication of vertical heterostructures devices based on h-BN,and review the novel properties as well as the potential applications of the heterostructures composed of h-BN. | Huihui Yang Feng Gao Mingjin Dai Dechang Jia Yu Zhou Pingan Hu | 2017 | Journal of Semiconductors2017，38，3： | 3 |
| 7 | Enhanced thermal shock and oxidation resistance of Si_2BC_3N ceramics through MWCNTs incorporation显示文摘Multi-walled carbon nanotubes(MWCNTs)reinforced Si_2BC_3N ceramics were prepared through mechanical alloying(MA)and following spark plasma sintering(SPS).The thermal shock resistance of Si_2BC_3N ceramics was evaluated comparatively through ice water quenching test and theoretical prediction.Furthermore,the oxidation resistance of MWCNTs incorporated Si_2BC_3N ceramics was evaluated under high temperature.The results show that the calculated parameters such as the critical thermal shock temperature(R)and the thermal stresses resistance(R_(st)),as well as the toughness(R'')are improved with addition of 1 vol%MWCNTs.In addition,the crack propagation resistance of 1 vol%MWCNTs incorporated Si_2BC_3N ceramics is obviously improved through generating more tortuous crack propagation paths attributing to the'crack bridging','pull-out',and'crack deflection'mechanisms of MWCNTs.Therefore,the residual strengths of 1 vol%MWCNTs containing specimens remained the highest after the thermal shock tests.Besides,the present work also reveals that the oxidation resistance is more sensitive to relative density than MWCNTs addition. | Ning LIAO Dechang JIA Zhihua YANG Yu ZHOU Yawei LI | 2018 | Journal of Advanced Ceramics2018，7，3： | 3 |
| 8 | Discovery of ABO_(4)scheelites with the extra low thermal conductivity through high-throughput calculations显示文摘Searching for new materials with extra low thermal conductivities is significant in numerous fields like thermal barrier coatings and thermoelectric devices.Traditional multiple-component design has successfully reduced the thermal conductivity,but it also dramatically increases the complexity of manufactural technologies and the risk of material failures.In this work,a specific category known as ABO_(4) scheelites that with both simple crystal structure and the structural signature of the low lattice thermal conductivity is explored.High-throughput calculations are employed to screen for the materials with the targeted performance by multi-dimensional mechanical/thermal property criteria and a database of 46 stable scheelites is constructed.Seven scheelites with both ultra-low thermal conductivities(<1.2 W/(m∙K))and quasi-ductility are predicted to be novel thermal insulation materials.Low thermal conductivities prefer the scheelites with large valence disparity between“A”and“B”cations and/or small ionic radius ratio.The adopted strategy starting from the structural fingerprint and the data-driven material selection is expected to be a reference of future structural and functional ceramics design. | Yuchen Liu Dechang Jia Yu Zhou Yanchun Zhou Juanli Zhao Qian Li Bin Liu | 2020 | Journal of Materiomics2020，6，4： | 2 |
| 9 | Microstructural evolution of h-BN matrix composite ceramics with La-Al-Si-O glass phase during hot-pressed sintering显示文摘BN/La-Al-Si-O composite ceramics were fabricated by hot-pressed sintering using hexagonal boron nitride(h-BN),lanthanum oxide(La_(2)O_(3)),aluminia(Al_(2)O_(3)),and amorphous silica(SiO_(2))as the raw materials.The effects of sintering temperature on microstructural evolution,bulk density,apparent porosity,and mechanical properties of the h-BN composite ceramics were investigated.The results indicated that La-Al-Si-O liquid phase was formed during sintering process,which provided an environment for the growth of h-BN grains.With increasing sintering temperature,the cristobalite phase precipitation and h-BN grain growth occurred at the same time,which had a significant influence on the densification and mechanical properties of h-BN composite ceramics.The best mechanical properties of BN/La-Al-Si-O composite ceramics were obtained under the sintering temperature of 1700℃.The elastic modulus,flexural strength,and fracture toughness were 80.5 GPa,266.4 MPa,and 3.25 MPa·m^(1/2),respectively. | Baofu QIU Xiaoming DUAN Zhuo ZHANG Chen ZHAO Bo NIU Peigang HE Delong CAI Lei CHEN Zhihua YANG Yujin WANG Dechang JIA Yu ZHOU | 2021 | Journal of Advanced Ceramics2021，10，3： | 2 |
| 10 | Advanced lanthanide doped upconversion nanomaterials for lasing emission显示文摘Microlasers are narrow-band and coherent light from small cavities,which have been widely applied in biomedicine,optical interconnection,integration devices,etc.Lanthanide doped upconversion materials are potential gain media for microlasers from near infrared(NIR)to visible and UV regimes due to their multi ladder-like metastable energy levels and superior optical frequency conversion capability.The optical feedback from photon scattering of the porous upconversion nanoparticles clusters has been reported to produce upconversion random lasers.The light bouncing back and forth between two reflective surfaces or internal surface has been utilized to achieve modulated upconversion lasing emission.In addition,photon lattices and plasmonic cavities with enhanced electromagnetic fields can amplify the upconversion process within the sub-diffraction volumes and produce highly efficient upconverting lasers.In this review,the recent advances on using lanthanide doped upconversion materials for random,whispering gallery mode(WGM)/Fabry-Perot(FP)cavity and photon lattice/plasmonic cavity modulated upconversion microlasers are overviewed.Current challenges and future directions of the upconverting lasers are also discussed. | Yunfei Shang Tong Chen Tianhui Ma Shuwei Hao Weiqiang Lv Dechang Jia Chunhui Yang | 2022 | Journal of Rare Earths2022，40，5： | 2 |
| 11 | Enhanced mechanical properties and thermal shock resistance of Si_2BC_3N ceramics with SiC coated MWCNTs显示文摘Bulk Si_2 BC_3 N ceramics were reinforced with SiC coated multi-walled carbon nanotubes(MWCNTs). The phase compositions, mechanical properties, and thermal shock resistance, as well as the oxidation resistance of the designed Si_2 BC_3 N ceramics were comparatively investigated. The results show that nano SiC coating can be formed on MWCNTs through pyrolyzing polysilazane, which improves the oxidation resistance of MWCNTs. A stronger chemical bonding is formed between the SiC coated MWCNTs and SiC particles, contributing to improved flexural strength(532.1 MPa) and fracture toughness(6.66 MPa m1/2). Besides, the 2 vol% SiC coated MWCNTs reinforced Si_2 BC_3 N ceramics maintains much higher residual strength(193.0 MPa) after thermal shock test at 1000 ℃.The enhanced properties should be attributed to:(1) the breaking of MWCNTs and the debonding between MWCNTs and SiC interfaces, which leads to more energy dissipation;(2) the rough surfaces of SiC coated MWCNTs increase the adhesion strength during the 'pull out' of MWCNTs. | Ning LIAO Dechang JIA Zhihua YANG Yu ZHOU | 2019 | Journal of Advanced Ceramics2019，8，1： | 2 |
| 12 | Thermal shock resistance of SiC-BN composites显示文摘 | Yang Zhihua Jia Dechang Zhou Yu | 2008 | Materials Chemistry and Physics2008，107，： | 1 |
| 13 | Oxidation resistance of hot-pressed SiC-BN composites显示文摘 | Yang Zhihua Jia Dechang Zhou Yu | 2008 | Ceramics International2008，34，： | 1 |
| 14 | Corrosion Resistance of Plasma Sprayed Ceramic Composite Coatings on Q235 Substrate显示文摘The corrosion resistance of SiO2/A12O3, TiO2/Al2O3 and (SiO2+TiO2)/Al2O3 ceramic composite coatings on Q235 substrate fabricated by means of plasma spraying was investigated. The results show that A12O3+13 wt pct TiO2 ceramic coating has the highest density, the lowest connected porosity and the best corrosion resistance. The corrosion mechanism of Q235 with ceramic coating has also been studied. | Dianran YAN Jining HE and XiangZhi LI School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China Yangai LIU Yu ZHOU and Dechang JIA School of Materials Science and Engineering, Harbin institute of Technology, Harb | 2001 | Journal of Materials Science & Technology2001，17，1： | 1 |
| 15 | Low temperature sintering of ZrC SiC composite 显示文摘 | ZHAO Liyou JIA Dechang DUAN Xiaoming | 2011 | J Eur Ceram Soe2011，509，： | 1 |
| 16 | Chemical etching of micro-plasma oxidized titania film on titanium alloy and apatite deposited on the surface of modified titania film in vitro显示文摘 | Daqing Wei Yu Zhou Yaming Wang Dechang Jia | 2007 | Thin Solid Films2007，，8： | 1 |
| 17 | Oxida- tion of ZrC-30vol% SiC composite in air from low to ultrahightemperature 显示文摘 | ZHAO Liyou JIA Dechang DUAN Xiaoming | 2012 | J Eur Ceram Soc2012，32，： | 1 |
| 18 | Characteristic of microarc oxidized coatings on titanium alloy formed in electrolytes containing chelate complex and nano-HA显示文摘 | Daqing Wei Yu Zhou Yaming Wang Dechang Jia | 2006 | Applied Surface Science2006，，11： | 1 |
| 19 | Oxidation of ZrC–30vol% SiC composite in air from low to ultrahigh temperature显示文摘 | Liyou Zhao Dechang Jia Xiaoming Duan Zhihua Yang Yu Zhou | 2011 | Journal of the European Ceramic Society2011，，： | 1 |
| 20 | Study on microstructures and mechanical properties of short-carbon-fiber-reinforced SiC composites prepared by hot-pressing显示文摘 | Xiulan He Yingkui Guo Zemin Yu Yu Zhou Dechang Jia | 2009 | Materials Science & Engineering A2009，，1： | 1 |
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