Investigation on the microwave sintering heating process and mechanism of h-BN/ZrO2/SiC composites

Qi, Yongshun; Song, Bo; Wang, Hailong; Chen, Mao; Fan, Bingbing; Zhang, Rui; Ma, Beiyue; Li, Hongxia; Chen, Yongqiang

doi:10.1016/j.ceramint.2023.03.190

Cited by 8 publications

(2 citation statements)

References 32 publications

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“…At this time, utilizing the characteristic of relatively small changes in the absorption performance of recrystallized SiC materials at high and low temperatures, the absorption performance of recrystallized SiC material is still at the original level at high temperatures. Therefore, the main body that absorbs microwave energy gradually realizes the transformation from recrystallized SiC materials to Si 3 N 4 materials 45 . Finally, the densification sintering of Si 3 N 4 materials is mainly achieved through the absorption of microwave energy by the Si 3 N 4 materials themselves.…”

Section: Discussionmentioning

confidence: 99%

Preparation of 3D printed silicon nitride bioceramics by microwave sintering

Zeng,

Sipaut,

Ismail

et al. 2024

Sci Rep

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Silicon nitride (Si3N4) is a bioceramic material with potential applications. Customization and high reliability are the foundation for the widespread application of Si3N4 bioceramics. This study constructed a new microwave heating structure and successfully prepared 3D printed dense Si3N4 materials, overcoming the adverse effects of a large amount of 3D printed organic forming agents on degreasing and sintering processes, further improving the comprehensive performance of Si3N4 materials. Compared with control materials, the 3D printed Si3N4 materials by microwave sintering have the best mechanical performance: bending strength is 928 MPa, fracture toughness is 9.61 MPa·m1/2. Meanwhile, it has the best biocompatibility and antibacterial properties, and cells exhibit the best activity on the material surface. Research has shown that the excellent mechanical performance and biological activity of materials are mainly related to the high-quality degreasing, high cleanliness sintering environment, and high-quality liquid-phase sintering of materials in microwave environments.

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Section: Discussionmentioning

confidence: 99%

Preparation of 3D printed silicon nitride bioceramics by microwave sintering

Zeng,

Sipaut,

Ismail

et al. 2024

Sci Rep

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“…Fatigue failure and wear failure, which account for 80% of all mechanical part failures, usually originate from the surface [6][7][8][9][10]. Thus, surface-strengthening technologies are required to improve the quality of mechanical parts and enhance their resistance to fatigue and wear, resulting in a longer service life [11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

State of the Art and Perspectives on Surface-Strengthening Process and Associated Mechanisms by Shot Peening

et al. 2023

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Shot peening is a surface-strengthening process that is widely used in various industries, such as aerospace, automotive, and biomedical engineering. The process involves the impact of small, spherical media, called shots, onto the surface of a material, resulting in residual compressive stress and improved surface properties. This review aims to provide an overview of the state of the art and perspectives on surface strengthening by shot peening. The review covers various aspects of shot peening, including process parameters, shot materials, and quality control techniques. The advantages and limitations of shot peening in comparison to other surface-strengthening techniques are also discussed. The findings of this review indicate that shot peening is a versatile and effective surface-strengthening technique with numerous applications, and further research is needed to fully realize its potential. In conclusion, this review provides insights into the current status and future perspectives on surface strengthening by shot peening, and it is expected to be useful for researchers, engineers, and practitioners in the field of material science and engineering.

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