Role of co-addition of BN and SiC on microstructure of TiB2-based composites densified by SPS method

Nguyen, Van‐Huy; Asl, Mehdi Shahedi; Mahaseni, Zahra Hamidzadeh; Germi, Mohammad Dashti; Delbari, Seyed Ali; Le, Quyet Van; Ahmadi, Zohre; Shokouhimehr, Mohammadreza; Namini, Abbas Sabahi; Mohammadi, Mohsen

doi:10.1016/j.ceramint.2020.07.001

Cited by 40 publications

(6 citation statements)

References 83 publications

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“…Although no oxide impurities were detected in the precursors, it is well known that the surfaces of TiB 2 and SiC particles are naturally covered in some impurities. TiO 2 and B 2 O 3 are considered the main species available on the TiB 2 powders 49 . However, in the case of SiC, the main surface impurity is SiO 2 .…”

Section: Resultsmentioning

confidence: 99%

Nanostructure and nanoindentation study of pulse electric-current sintered TiB2–SiC–Cf composite

Shokouhimehr

Delbari

Namini

et al. 2023

Sci Rep

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A carbon-fiber (Cf) doped TiB2–SiC composite was prepared and investigated to determine its densification behavior, micro/nanostructural properties, and mechanical characteristics. TiB2–25 vol% SiC–2 wt% Cf was prepared at 40 MPa and 1800 °C for 7 min using the pulsed electric-current sintering technique, and a relative density of 98.5% was realized. The as-sintered composite was characterized using advanced techniques, e.g., X-ray diffractometry, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, field-emission scanning electron microscopy, high-resolution transmission electron microscopy, field-emission electron probe micro-analysis, and nanoindentation. The Cf additive could remove the surface oxide layers from the TiB2 and SiC domains, thus transforming them into TiB2 and SiC. According to micro/nanostructural studies, Cf could not retain its initial structure and was eventually converted into graphite nanosheets. In addition, the prepared composite was examined using the nanoindentation technique, and the following results were obtained for the calculated hardness, elastic modulus, and stiffness values: TiB2 > SiC > TiB2/SiC interface.

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Section: Resultsmentioning

confidence: 99%

Nanostructure and nanoindentation study of pulse electric-current sintered TiB2–SiC–Cf composite

Shokouhimehr

Delbari

Namini

et al. 2023

Sci Rep

Self Cite

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“…Figure 5 Reaction mechanism and microstructure of different sintering methods for TiB2: (a) Pressureless sintering [72,73]; (b) Hot-pressure sintering [74]; (c) SPS method [75,76]; (d) FS method [77]; (e) FSPS method [78]; (f) Microwave sintering method [79].…”

Section: Traditional Sintering Methodsmentioning

confidence: 99%

Review on the Development of Titanium Diboride Ceramics

Lv,

Yin,

Yang

et al. 2024

Recent Prog Mater

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Titanium diboride (TiB2) materials have garnered significant attention due to their remarkable comprehensive properties. They offer potential applications in high-temperature structural materials, cutting tools, armor, electrodes for metal smelting, and wear-resistant parts. However, due to the low self-diffusion coefficient, the TiB2 exhibits poor sinterability, excessive grain growth at elevated temperatures, and inadequate oxidation resistance, limiting its wide application. Therefore, many research works are devoted to processing TiB2 at a lower sintering temperature and improving the properties through various sintering additives and more advanced techniques. This article comprehensively reviews the multiple synthesis methods and sintering technologies of TiB2, and at the same time, critically discusses the impacts of sintering additives and reinforcing agents on densification, microstructure, and various properties, including those at high temperatures, and finally predicts the future development of TiB2 composite materials.

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“…In recent years, the SiC particles has been added into B 4 C ceramic matrix to enhance the mechanical properties of B 4 C ceramic [16][17][18]. Chawon [19] fabricated the B 4 C-preceramic polymer derived SiC composite, and the results showed that the mechanical properties of the composite were similar to those of single-phase ceramics.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties and Tribological Characteristics of B4C-SiC Ceramic Composite in Artificial Seawater

Chen

Zhao

et al. 2021

Preprint

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To improve the mechanical properties and tribological characteristics of boron carbide (SiC) ceramic, silicon carbide as incorporation phase was added into boron carbide (B4C) matrix. The results showed that the incorporation of SiC phase led to denser microstructure and lower porosity. When the content of SiC was 20 wt.%, the composite presented higher bending strength of 447.6MPa and fracture toughness of 7.21 MPa·m1/2. Meanwhile, when the composite slid against PEEK in seawater, lower friction coefficient of 0.052 and wear rate were obtained. The excellent tribological performance would be attributed to the denser ceramic structure, weakened abrasive wear and tribo-chemical removal.

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Role of co-addition of BN and SiC on microstructure of TiB2-based composites densified by SPS method

Cited by 40 publications

References 83 publications

Nanostructure and nanoindentation study of pulse electric-current sintered TiB2–SiC–Cf composite

Nanostructure and nanoindentation study of pulse electric-current sintered TiB2–SiC–Cf composite

Review on the Development of Titanium Diboride Ceramics

Mechanical Properties and Tribological Characteristics of B4C-SiC Ceramic Composite in Artificial Seawater

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