Zhipeng Xie

Tsinghua University

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Yong Huang

Suzhou University of Science and Technology

Weijiang Xue

Xi'an Jiaotong University

Tianbin Zhu

Wuhan University of Science and Technology

Xudong Luo

Aviation Industry Corporation of China (China)

Di An

University of California, Merced

Xianfeng Yang

South China University of Technology

Lixia Cheng

Taiyuan Institute of Technology

Yong Huang

Tsinghua University

Yi‐Bing Cheng

Wuhan University of Technology

Sai Wei

Hainan Medical University

Cooperative Institutions

Tsinghua University

Chinese Academy of Sciences

State Key Laboratory of New Ceramics and Fine Processing

University of Science and Technology Liaoning

University of Science and Technology Beijing

Guangdong University of Technology

University of Chinese Academy of Sciences

Shanghai Jiao Tong University

Harbin Institute of Technology

Jingdezhen Ceramic Institute

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Sintering kinetics window: an approach to the densification process during the preparation of transparent alumina

Advances in Applied Ceramics Structural Functional and Bioceramics (2014)

W. Liu Zhipeng Xie Long Cheng

In this work, sintering kinetics window combined with microstructure development is adopted to understand the densification process of transparent alumina ceramic using submicrometre alumina powder. Alumina powder was densified via pressureless sintering and spark plasma sintering to explore the sintering behaviours of submicrometre alumina powder respectively. Sintering process could be divided into three typical stages, the criterion of which is based on whether the dominant mechanism is independent particle rearrangement or independent atomic diffusion. Through the investigation of sintering mechanisms of both sintering methods in the same way, it is found that it is necessary to remove the large pores (>100 nm) before grain growth is activated for complete densification. It suggests that at the temperature when the grain growth is activated, the corresponding pore structure proves to be the crucial factor influencing the complete densification of transparent alumina ceramic.

Spark Plasma Sintering

Particle (ecology)

10.1179/1743676114y.0000000186

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Citations (16)

Crack propagation in silicon nitride ceramics under various temperatures and grain boundary toughness

Materials Science and Engineering A (2015)

Sai Wei Lukas Porz Zhipeng Xie Bin Liu Juan Chen

Transgranular fracture

10.1016/j.msea.2015.02.061

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Citations (15)

Zirconia-mullite obtained from co-precipitated zirconia-mullite composite powders by SPS

Journal of ceramic science and technology (2016)

H.Z. Li Z.J. Li Xudong Luo Jingya Gui Zhipeng Xie

Mullite

Source

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Citations (1)

Crystalline boron nitride nanosheets by sonication-assisted hydrothermal exfoliation

Journal of Advanced Ceramics (2019)

Zhaobo Tian Kexin Chen Siyuan Sun Jie Zhang Wei Cui

A simple method to prepare two-dimensional hexagonal boron nitride (h-BN) scalably is essential for practical applications. Despite intense research in this area, high-yield production of two-dimensional h-BN with large size and high crystallinity is still a key challenge. In the present work, we propose a simple exfoliation process for boron nitride nanosheets (BNNSs) with high crystallinity by sonication-assisted hydrothermal method, via the synergistic effect of the high pressure, and cavitation of the sonication. Compared with the method only by sonication, the sonication-assisted hydrothermal method can get the fewer-layer BNNSs with high crystallinity. Meanwhile, it can reach higher yield of nearly 1.68%, as the hydrothermal method with the yield of only 0.12%. The simple sonication-assisted hydrothermal method has potential applications in exfoliating other layered materials, thus opening new ways to produce other layered materials in high yield and high crystallinity.

Sonication

Exfoliation joint

Autoclave

10.1007/s40145-018-0293-1

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Citations (60)

Enhanced toughness of zirconia ceramics with graphene platelets consolidated by spark plasma sintering

International Journal of Applied Ceramic Technology (2017)

Shuang Li Zhipeng Xie Yumin Zhang Yufeng Zhou

Abstract Graphene platelets reinforced zirconia ( GPL s/ZrO 2 ) composites were prepared by spark plasma sintering in the present work. The effects of GPL s content on the densification route, microstructure feather, mechanical properties, and aging behaviors of such composites were investigated. In spite of the impeding effect of GPL s, high relative density of 98% was achieved for the composites owing to the uniform dispersion of GPL s. The addition of GPL s contributed to enhanced fracture toughness of the composites; when the added content was 1.0 wt.%, its fracture toughness reached up to 8.6 MPa·m 1/2 . Also, aging behavior of the GPL s/ZrO 2 composites was investigated at 134°C for 24 hours. The monolithic ZrO 2 ceramic and GPL s/ZrO 2 composites presented residual ratio of 55% and 72% in fracture toughness, respectively. Thus, the incorporation of GPL s inhibited phase transformation from tetragonal phase to monoclinic phase of zirconia.

Spark Plasma Sintering

Tetragonal crystal system

Relative density

Monoclinic crystal system

10.1111/ijac.12742

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Citations (21)

A review on porous ceramics with hierarchical pore structure by 3D printing-based combined route

Journal of Asian Ceramic Societies (2021)

Yiran Man Guoqiang Ding Xudong Luo Kaihua Xue Dianli Qu

In recent years, with the continuous progress of 3D printing technology, as well as the limitations of traditional preparation methods of porous ceramics, an increasing number of studies on the combination of traditional porous ceramic preparation methods and 3D printing technology for designing and preparing hierarchical porous ceramics with both macropores and micropores have been reported. This is an innovation in the design concept for the manufacturing of porous ceramics. This review focuses on the latest advances in porous ceramics prepared by combined methods, including traditional methods and 3D printing technology, and discusses the design concept and printing process of porous ceramics and the properties of porous ceramics. Case studies of different combination technologies are compared, and the technical features of the combined technologies are summarized. According to the success factors of existing combination technologies, the feasibility of combining traditional porous ceramic preparation methods with different 3D printing technologies is analyzed.

Macropore

10.1080/21870764.2021.1981571

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Citations (33)

Al2O3 ceramics with well-oriented and hexagonally ordered pores: The formation of microstructures and the control of properties

Journal of the European Ceramic Society (2012)

Weijiang Xue Yong Huang Zhipeng Xie Wei Liu

10.1016/j.jeurceramsoc.2012.04.013

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Citations (33)

Gelcasting of silicon carbide based on gelation of sodium alginate

Ceramics International (2002)

Xiu Wang Zhipeng Xie Yong Huang Yi‐Bing Cheng

Sodium alginate

Calcium alginate

10.1016/s0272-8842(02)00066-4

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Citations (55)

Improved Strength Recovery of a Titanium Carbide/Silicon Nitride Composite from Thermal Shock Damage via Microwave Heating

Journal of the American Ceramic Society (1999)

Jianbao Li Xiangyang Kong Zhipeng Xie Yong Huang

Microwave processing has been used to heat treat a TiC/Si 3 N 4 ceramic composite. The strength degradation from thermal shock was substantially recovered. The recovery rate was much greater with microwave heating than with conventional heat treatment at equivalent average temperature. The mechanism of strength recovery was hypothesized to be microwave radiation, which caused selective heating of TiC particles, enhanced the reaction of grain boundaries, and resulted in the sintering of microcracks around TiC particles.

Thermal shock

Titanium carbide

Degradation

Microwave heating

10.1111/j.1151-2916.1999.tb01959.x

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Citations (6)

Synthesis of α-Si3N4 whiskers or equiaxed particles from amorphous Si3N4 powders

Ceramics International (2020)

Zunlan Hu Jian Liu Zhipeng Xie

Equiaxed crystals

10.1016/j.ceramint.2020.06.147

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Citations (8)