Spark plasma sintering of TiB2-based ceramics with Ti3AlC2

Nayebi, Behzad; Asl, Mehdi Shahedi; Akhlaghi, Maryam; Ahmadi, Zohre; Tayebifard, Seyed Ali; Salahi, E.; Shokouhimehr, Mohammadreza; Mohammadi, Mohsen

doi:10.1016/j.ceramint.2021.01.033

Cited by 22 publications

(8 citation statements)

References 32 publications

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“…However, Ti 3 AlC 2 is unstable and decomposes above 1300 °C. Nayebi et al [ 19 ] used the addition of the Ti 3 AlC 2 phase to lower the sintering temperature and produce TiB 2 -based composites using the SPS sintering technology. During the sintering, the authors confirmed the decomposition of the Ti 3 AlC 2 phase with the production of Al, Ti, and TiC 0.67 .…”

Section: Introductionmentioning

confidence: 99%

Novel Alumina Matrix Composites Reinforced with MAX Phases—Microstructure Analysis and Mechanical Properties

et al. 2022

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This article describes the manufacturing of alumina composites with the addition of titanium aluminum carbide Ti3AlC2, known as MAX phases. The composites were obtained by the powder metallurgy technique with three types of mill (horizontal mill, attritor mill, and planetary mill), and were consolidated with the use of the Spark Plasma Sintering method at 1400 °C, with dwelling time 10 min. The influence of the Ti3AlC2 MAX phase addition on the microstructure and mechanical properties of the obtained composites was analyzed. The structure of the MAX phase after the sintering process was also investigated. The chemical composition and phase composition analysis showed that the Ti3AlC2 addition preserved its structure after the sintering process. The increase in fracture toughness for all series of composites has been noted (over 20% compared to reference samples). Detailed stereological analysis of the obtained microstructures also could determine the influence of the applied mill on the homogeneity of the final microstructure and the properties of obtained composites.

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Section: Introductionmentioning

confidence: 99%

Novel Alumina Matrix Composites Reinforced with MAX Phases—Microstructure Analysis and Mechanical Properties

et al. 2022

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“…We also synthesized the Ti3AlC2 MAX phase in a tubular furnace through self-propagating high-temperature synthesis of elemental powders (graphite as carbon source) [31]. Using such a MAX phase as the reinforcement also led to the performance enhancement in other advanced materials including the ultrahigh temperature ceramics like TiB2 [32] and ZrB2 [33].…”

Section: Introductionmentioning

confidence: 99%

Role of Ti3AlC2 MAX phase on characteristics of in-situ synthesized TiAl intermetallics. Part I: sintering and densification

et al. 2021

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Five TiAl–Ti3AlC2 composite samples containing (10, 15, 20, 25 and 30 wt% Ti3AlC2 MAX phase) were prepared by spark plasma sintering technique at 900 °C for 7 min under 40 MPa. For this purpose, metallic titanium and aluminum powders (aiming at the in-situ formation of the TiAl matrix phase) were ball-milled with predetermined contents of Ti3AlC2 MAX phase, which already was synthesized using the same metallic powders as well as graphite flakes. Displacement-time-temperature variations during the heating and sintering steps, displacement rate versus temperature, displacement rate versus time, and densification behavior were studied. Two sharp changes were detected in the diagrams: the first one, ~16 min after the start of the heating process due to the melting of Al, and the second one, after ~35 min because of the sintering progression and the applied final pressure. The highest relative densities were measured for the samples doped with 20 and 25 wt% Ti3AlC2 additives. More Ti3AlC2 addition resulted in decreased relative density because of the agglomeration of MAX phase particles.

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“…Titanium diboride (TiB 2 ) is a high temperature resistant ceramic material, with exceptional hardness, high melting point, good chemical stability, excellent electrical and thermal conductivity [1][2][3][4]. These properties make TiB 2 be applied in many industries, such as wear resistant devices, protective materials, ultra-high temperature refractory.…”

Section: Introductionmentioning

confidence: 99%

“…Fortunately, these drawbacks can be avoided by introducing the second phase. Many literatures have reported that the addition of second phases, including SiC, Si 3 N 4 , AlN, BN, TiN, TiC, TiSi 2 and Ti 3 AlC 2 , etc., greatly improves the sintering performance of TiB 2 , and the formed TiB 2 -based ceramics exhibit excellent properties [1][2][3][4][5][6][7][8]. Among various second phase additives, B 4 C is particularly noteworthy and TiB 2 -B 4 C has the potential to become one of the most attracting TiB 2 -based composites owing to the following reasons.…”

Section: Introductionmentioning

confidence: 99%

Influences of B₄C content and particle size on the mechanical properties of hot pressed TiB₂–B₄C composites

Zhao

Cao

et al. 2021

Journal of Asian Ceramic Societies

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TiB 2 ceramic has attracted many attentions due to its excellent performances both on mechanical and functional properties. However, it is still very difficult to obtain TiB 2 bulks with full densification. Herein, TiB 2 -B 4 C composites were prepared via hot pressing at 1900°C under the pressure of 35 MPa with TiB 2 and B 4 C as the raw materials. The influences of B 4 C content (0, 10 vol%, 20 vol% and 30 vol%) and particle size (0.50 µm, 3.12 µm and 7.09 µm) on the phase composition, relative density, microstructure and mechanical properties of TiB 2 -B 4 C composites were investigated. The using of 0.50 µm B 4 C brought more B 2 O 3 which induced oriented growth of TiB 2 grains and coarsened the obtained composites. When the raw B 4 C powders were 3.12 µm and 7.09 µm, the obtained composites with 20-30 vol% B 4 C could be fully densified. TiB 2 -30 vol% B 4 C composite prepared from 3.12 µm B 4 C powder resulted in the optimal mechanical properties. The bending strength, Vickers hardness, fracture toughness were 671 MPa, 27.93 GPa, and 3.91 MPa•m 1/2 , respectively. The excellent performance was attributed to its fine and homogenous microstructure.

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Spark plasma sintering of TiB2-based ceramics with Ti3AlC2

Cited by 22 publications

References 32 publications

Novel Alumina Matrix Composites Reinforced with MAX Phases—Microstructure Analysis and Mechanical Properties

Novel Alumina Matrix Composites Reinforced with MAX Phases—Microstructure Analysis and Mechanical Properties

Role of Ti3AlC2 MAX phase on characteristics of in-situ synthesized TiAl intermetallics. Part I: sintering and densification

Influences of B₄C content and particle size on the mechanical properties of hot pressed TiB₂–B₄C composites

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Spark plasma sintering of TiB2-based ceramics with Ti3AlC2

Cited by 22 publications

References 32 publications

Novel Alumina Matrix Composites Reinforced with MAX Phases—Microstructure Analysis and Mechanical Properties

Novel Alumina Matrix Composites Reinforced with MAX Phases—Microstructure Analysis and Mechanical Properties

Role of Ti3AlC2 MAX phase on characteristics of in-situ synthesized TiAl intermetallics. Part I: sintering and densification

Influences of B4C content and particle size on the mechanical properties of hot pressed TiB2–B4C composites

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Influences of B₄C content and particle size on the mechanical properties of hot pressed TiB₂–B₄C composites