Mechanical properties of ultrafine graphite –Ti (C0.9, N0.1) solid solutions fabricated via spark plasma sintering

Ojo Jeremiah Akinribide, Gadifele Nicolene Mekgwe, Olawale Olarewaju Ajibola, Babatunde Abiodun Obadele, Samuel Olukayode Akinwamide, Eso Oluwasegun Falodun, Peter Apata Olubambi

Research output: Contribution to journalConference article

Abstract

Spark plasma sintering technique was used to consolidate solid solution of graphite–Ti (C0.9, N0.1) using ultrafine size of graphite and titanium carbonitride powder with carbon to nitrogen composition of 90:10 at 2000 oC for 5 mins. The densification of the sintered graphite (0-1 wt. %) –Ti (C0.9, N0.1) was 98-99% at 2000 oC in the matrix. The carbide rich and Ti rich were the two distinct solid solution phases observed, although Graphite –Ti (C0.9, N0.1) solid solution as a solitary phase was attained at 2000 oC. This could be attributed to changes in the parameters with in the lattice site due to excess heat and causing the solid solutions phases to favour the carbide and titanium phases, respectively. The graphite–Ti (C0.9, N0.1) solid solution upon the application of different load the value of the hardness decreases as the load increases for unreinforced and reinforced Ti (C0.9, N0.1). Furthermore, the fracture toughness (KIC) was within the range of (1.04 - 7.99) in MPa m1/2

Original languageEnglish
Pages (from-to)411-418
Number of pages8
JournalProcedia Manufacturing
Volume30
DOIs
Publication statusPublished - Jan 1 2019
Externally publishedYes
Event14th Global Congress on Manufacturing and Management, GCMM 2018 - Brisbane, Australia
Duration: Dec 5 2018Dec 7 2018

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Spark plasma sintering
Solid solutions
Graphite
Mechanical properties
Carbides
Loads (forces)
Titanium
Carbon nitride
Densification
Fracture toughness
Hardness
Nitrogen
Powders
Carbon
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering
  • Artificial Intelligence

Cite this

Akinribide, Ojo Jeremiah ; Mekgwe, Gadifele Nicolene ; Ajibola, Olawale Olarewaju ; Obadele, Babatunde Abiodun ; Akinwamide, Samuel Olukayode ; Falodun, Eso Oluwasegun ; Olubambi, Peter Apata. / Mechanical properties of ultrafine graphite –Ti (C0.9, N0.1) solid solutions fabricated via spark plasma sintering. In: Procedia Manufacturing. 2019 ; Vol. 30. pp. 411-418.
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Mechanical properties of ultrafine graphite –Ti (C0.9, N0.1) solid solutions fabricated via spark plasma sintering. / Akinribide, Ojo Jeremiah; Mekgwe, Gadifele Nicolene; Ajibola, Olawale Olarewaju; Obadele, Babatunde Abiodun; Akinwamide, Samuel Olukayode; Falodun, Eso Oluwasegun; Olubambi, Peter Apata.

In: Procedia Manufacturing, Vol. 30, 01.01.2019, p. 411-418.

Research output: Contribution to journalConference article

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AU - Akinribide, Ojo Jeremiah

AU - Mekgwe, Gadifele Nicolene

AU - Ajibola, Olawale Olarewaju

AU - Obadele, Babatunde Abiodun

AU - Akinwamide, Samuel Olukayode

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AU - Olubambi, Peter Apata

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