Production of B4C-TiB2 composite powder by self-propagating high-temperature synthesis

Çoban, Ozan; Buğdaycı, Mehmet; Açma, M. Ercan

doi:10.1007/s41779-022-00714-5

Cited by 7 publications

(1 citation statement)

References 56 publications

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“…A two-stage SHS (Self-propagated High-temperature Synthesis) method was used [46] to synthesize B 4 C-TiB 2 composite nanopowders. First, the component powders were synthesized separately using magnesium powder as reductant agent.…”

Section: Titanium and Zirconium Diboridesmentioning

confidence: 99%

Advanced Boron Carbide Matrix Nanocomposites Obtained from Liquid-Charge: Focused Review

Chkhartishvili

Mikeladze²,

Tsagareishvili³

et al. 2023

Condensed Matter

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Boron carbide is known as a hard material; it possesses a unique complex of physical-mechanical properties and has diverse applications in industries. An expansion of its field of uses stems from the creation of boron carbide matrix nanocomposite materials. In view of this perspective, an effective liquid-charge synthesizing method for their components in nanopowder form has been proposed. This paper provides a focused review on advanced boron carbide matrix ceramic and metal-ceramic nanocomposites recently obtained by the authors using this method. Particular attention is paid to the characterization of boron carbide nanocomposites, including some ceramic borides, metallic alloys and also other metal-ceramic composites.

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Section: Titanium and Zirconium Diboridesmentioning

confidence: 99%

Advanced Boron Carbide Matrix Nanocomposites Obtained from Liquid-Charge: Focused Review

Chkhartishvili

Mikeladze²,

Tsagareishvili³

et al. 2023

Condensed Matter

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Self-propagating high temperature synthesis (SHS) of ZrC-TiC nanocomposites: Comparison of Mg and Al reductant usage and process optimization

Bugdayci,

Baslayici,

Coban

et al. 2024

J Aust Ceram Soc

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This study investigated the production of ZrC-TiC composite nanopowders by SHS process in TiO2-ZrO2-C-Mg/Al systems. Mg and Al charge stoichiometries and composite charge stoichiometries were optimized for SHS processes. The most precise procedural stages were identified for refining the SHS product; acid concentrations were optimized for Mg usage and an innovative chemical method was developed to eliminate and/or decrease the amount of Al2O3 by-product, enabling the utilization of Al. Thermochemical simulations were conducted for thermodynamic evaluations (adiabatic temperature and specific heat) and characterizations were performed by XRD and SEM-EDS analysis. The findings indicated that utilizing both reductants allowed for the synthesis of ZrC-TiC-(Al2O3) particles that have considerable surface area and commercial purity. The outcomes demonstrated that Magnesium is a more effective reductant, yet Aluminium, also serves as a viable reductant, even though leading to an increase in process steps, but enabling in-situ formation of sinterability and toughness enhancing Al2O3. A novel chemical route including pre-acid leaching, NaOH fusion, water leaching, HCl leaching was identified for the synthesis of ZrC-TiC-Al2O3 composite powder where the amount of Al2O3 could be organized (according to the desired mechanical properties) by optimization.

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Thermodynamic research of the reaction mechanism for TiB2 synthesized by carbothermal reduction

Wang,

Li,

Chen

et al. 2024

J Aust Ceram Soc

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Production of B4C-TiB2 composite powder by self-propagating high-temperature synthesis

Cited by 7 publications

References 56 publications

Advanced Boron Carbide Matrix Nanocomposites Obtained from Liquid-Charge: Focused Review

Advanced Boron Carbide Matrix Nanocomposites Obtained from Liquid-Charge: Focused Review

Self-propagating high temperature synthesis (SHS) of ZrC-TiC nanocomposites: Comparison of Mg and Al reductant usage and process optimization

Thermodynamic research of the reaction mechanism for TiB2 synthesized by carbothermal reduction

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