First-principles calculations to investigate elastic properties, ideal tensile strength and electronic properties of TiSi, Ti5Si3 and Ti5Si4

Liu, Yaxin; Zhang, Xudong; Wang, Rui

doi:10.1016/j.cplett.2022.139992

Chemical Physics Letters

2022

DOI: 10.1016/j.cplett.2022.139992

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First-principles calculations to investigate elastic properties, ideal tensile strength and electronic properties of TiSi, Ti5Si3 and Ti5Si4

Yaxin Liu

Xudong Zhang

Rui Wang

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Cited by 4 publications

References 58 publications

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Microstructure and mechanical properties of multi-phase TiAl alloy matrix composites consolidated via field-assisted sintering technique

Rominiyi,

Mashinini,

Masina

et al. 2024

emergent mater.

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In this study, fully densified Si3N4/TiAl composites were fabricated using the field-assisted sintering technique (FAST). Microstructural analysis showed the evolution of a continuous network structure consisting of minor fractions of in-situ formed Ti2AlN, unreacted Si3N4 ceramic particles and dominant Ti5Si3 intermetallic phases within the TiAl matrix at Si3N4 content above 1.5 wt%. The hardness of the developed composites increases with increasing Si3N4 content, with 7Si3N4/TiAl composite exhibiting the highest hardness of approximately 487 HV1.0, which was about 57% higher than that of the sintered pure TiAl alloy. Among the sintered samples, 1.5Si3N4/TiAl composite displayed the highest flexural strength of 832.65 ± 12.88 MPa (34.3% higher than pure TiAl matrix) with a deflection of 0.14 mm. In contrast, the lowest flexural strength and deflection of 535.44 ± 21.14 MPa and 0.09 mm were obtained in composite reinforced with 7 wt% Si3N4 ceramic content. The fractured surface of the sintered samples displayed predominantly cleavage fracture mode.

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Microstructure and mechanical properties of multi-phase TiAl alloy matrix composites consolidated via field-assisted sintering technique

Rominiyi,

Mashinini,

Masina

et al. 2024

emergent mater.

View full text Add to dashboard Cite

show abstract

First-principles calculations to investigate electronic structure and optical spectra of CdxZn1-xS ternary semiconductor alloys

Benlechheb

Boucenna

Bouarissa

2023

Chemical Physics Impact

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Microstructure evolution and fracture behavior of laser welded-brazed titanium/aluminum joints with various gap sizes

Chen,

Cai,

et al. 2024

Journal of Materials Research and Technology

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First-principles calculations to investigate elastic properties, ideal tensile strength and electronic properties of TiSi, Ti5Si3 and Ti5Si4

Cited by 4 publications

References 58 publications

Microstructure and mechanical properties of multi-phase TiAl alloy matrix composites consolidated via field-assisted sintering technique

Microstructure and mechanical properties of multi-phase TiAl alloy matrix composites consolidated via field-assisted sintering technique

First-principles calculations to investigate electronic structure and optical spectra of CdxZn1-xS ternary semiconductor alloys

Microstructure evolution and fracture behavior of laser welded-brazed titanium/aluminum joints with various gap sizes

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