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Interface-reaction reduction and hot rolling deformation of network structured graphene-TiB whiskers/Ti6Al4V composites by spark plasma sintering.
- Source :
- Journal of Materials Science; Nov2022, Vol. 57 Issue 44, p20601-20614, 14p, 1 Color Photograph, 2 Black and White Photographs, 4 Diagrams, 1 Chart, 3 Graphs
- Publication Year :
- 2022
-
Abstract
- For the sake of reducing the interface reaction between graphene (GR) reinforcement and Ti6Al4V (TC4) alloys matrix, the nano-TiB<subscript>2</subscript> particles were incorporated into GR/Ti interface after 3D dynamic mixing process, and TiB whiskers (TiBw) were formed by the subsequent reaction between TiB<subscript>2</subscript> and Ti after spark plasma sintering (SPS) process. The network structured GR-TiBw/TC4 composites were fabricated by 3D dynamic mixing and SPS with a subsequent hot rolling deformation. Effects of GR-TiBw hybrid reinforcement and hot rolling on the microstructure and mechanical properties of the composites were investigated. The results showed that the in situ formed TiBw reduced GR/Ti interface reaction and the content of GR-TiBw hybrid reinforcements had a great influence on the interface structure and mechanical properties of the composites. The suitable GR content combined with low content of nano-TiBw can form a quasi-continuous network interface structure and achieve a good trade-off between strength and ductility with a higher tensile strength and acceptable ductility. After obtaining a high rolling reduction, the quasi-continuous network interface structure was reconstructed and brought a noticeable increase of tensile strength with a slight loss of ductility. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00222461
- Volume :
- 57
- Issue :
- 44
- Database :
- Complementary Index
- Journal :
- Journal of Materials Science
- Publication Type :
- Academic Journal
- Accession number :
- 160371808
- Full Text :
- https://doi.org/10.1007/s10853-022-07936-9