On Investigating the Microstructural Evolution of Hot-Pressed TiB2-Reinforced Steel Composites

In the current work, TiB 2 reinforced steel matrix composites were synthesized by a technically feasible and cost-effective hot pressing route. A detailed microstructural analysis of the resultant composite was studied. Using a field emission scanning electron microscope (FESEM) and transmission ele...

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Bibliographic Details
Published in:Transactions of the Indian Institute of Metals 2022-03, Vol.75 (3), p.789-796
Main Authors: Sahoo, Silani, Jha, Bharat Bhushan, Panigrahi, Ajit, Mandal, Animesh
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Corrosion and Coatings
Cost analysis
Electron microscopes
Emission analysis
Evolution
Field emission microscopy
Hot pressing
Materials Science
Metal matrix composites
Metallic Materials
Microstructural analysis
Microstructure
Original Article
Reinforcing steels
Titanium diboride
Transmission electron microscopy
Tribology
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Summary:In the current work, TiB 2 reinforced steel matrix composites were synthesized by a technically feasible and cost-effective hot pressing route. A detailed microstructural analysis of the resultant composite was studied. Using a field emission scanning electron microscope (FESEM) and transmission electron microscopy (TEM), the microstructure evolution of the composite was studied. FESEM observations indicated the homogeneous distribution of TiB 2 particles in the matrix. The results also revealed the formation of elongated Cr–Fe–Ni phases (fcc: a  = 3.5537 Å space group = Fm 3 ¯ m) in a sympathetic fashion. The size of this phase ranges from 200 to 400 nm. TEM observations indicated a clear interface between steel matrix and TiB 2 particles.
ISSN:0972-2815
0975-1645
DOI:10.1007/s12666-021-02496-z