Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles.

M. R. Mphahlele, S. R. Oke, O. O. Ige, B. A. Obadele, P. A. Olubambi

Research output: Contribution to conferencePaper

Abstract

The plastic (H) properties, elastic (E) properties, the strain-to-break parameter (H/Er) and the resistance to plastic deformation parameter (H3/Er2) of nano-TiN dispersed duplex stainless steel (DSS) were investigated using nanoindentation technique. The mechanical properties improved considerably as the TiN increases, resulting from grain boundary refinements and better dispersion strengthening mechanisms. The hardness and elastic modulus were observed to be in the range of 3.7- 6.5 GPa and 183.5- 234.5 GPa on the grains, respectively; whereas on the grain boundary hardness and elastic modulus ranged from 8.7-25.8GPa and 200.1-305.1GPa, respectively. Furthermore, the high H/Er and H3/Er2 values were obtained suggesting good wear resistance of the composites.

Original languageEnglish
Pages1218-1219
Number of pages2
Publication statusPublished - Jan 1 2017
Externally publishedYes
Event14th International Conference on Fracture, ICF 2017 - Rhodes, Greece
Duration: Jun 18 2017Jun 20 2017

Conference

Conference14th International Conference on Fracture, ICF 2017
CountryGreece
CityRhodes
Period6/18/176/20/17

Fingerprint

Elastic deformation
Nanoindentation
Tin
Plastic deformation
Grain boundaries
Stainless steel
Elastic moduli
Hardness
Nanoparticles
Wear resistance
Plastics
Mechanical properties
Composite materials

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction

Cite this

Mphahlele, M. R., Oke, S. R., Ige, O. O., Obadele, B. A., & Olubambi, P. A. (2017). Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles.. 1218-1219. Paper presented at 14th International Conference on Fracture, ICF 2017, Rhodes, Greece.
Mphahlele, M. R. ; Oke, S. R. ; Ige, O. O. ; Obadele, B. A. ; Olubambi, P. A. / Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles. Paper presented at 14th International Conference on Fracture, ICF 2017, Rhodes, Greece.2 p.
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Mphahlele, MR, Oke, SR, Ige, OO, Obadele, BA & Olubambi, PA 2017, 'Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles.', Paper presented at 14th International Conference on Fracture, ICF 2017, Rhodes, Greece, 6/18/17 - 6/20/17 pp. 1218-1219.

Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles. / Mphahlele, M. R.; Oke, S. R.; Ige, O. O.; Obadele, B. A.; Olubambi, P. A.

2017. 1218-1219 Paper presented at 14th International Conference on Fracture, ICF 2017, Rhodes, Greece.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles.

AU - Mphahlele, M. R.

AU - Oke, S. R.

AU - Ige, O. O.

AU - Obadele, B. A.

AU - Olubambi, P. A.

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N2 - The plastic (H) properties, elastic (E) properties, the strain-to-break parameter (H/Er) and the resistance to plastic deformation parameter (H3/Er2) of nano-TiN dispersed duplex stainless steel (DSS) were investigated using nanoindentation technique. The mechanical properties improved considerably as the TiN increases, resulting from grain boundary refinements and better dispersion strengthening mechanisms. The hardness and elastic modulus were observed to be in the range of 3.7- 6.5 GPa and 183.5- 234.5 GPa on the grains, respectively; whereas on the grain boundary hardness and elastic modulus ranged from 8.7-25.8GPa and 200.1-305.1GPa, respectively. Furthermore, the high H/Er and H3/Er2 values were obtained suggesting good wear resistance of the composites.

AB - The plastic (H) properties, elastic (E) properties, the strain-to-break parameter (H/Er) and the resistance to plastic deformation parameter (H3/Er2) of nano-TiN dispersed duplex stainless steel (DSS) were investigated using nanoindentation technique. The mechanical properties improved considerably as the TiN increases, resulting from grain boundary refinements and better dispersion strengthening mechanisms. The hardness and elastic modulus were observed to be in the range of 3.7- 6.5 GPa and 183.5- 234.5 GPa on the grains, respectively; whereas on the grain boundary hardness and elastic modulus ranged from 8.7-25.8GPa and 200.1-305.1GPa, respectively. Furthermore, the high H/Er and H3/Er2 values were obtained suggesting good wear resistance of the composites.

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Mphahlele MR, Oke SR, Ige OO, Obadele BA, Olubambi PA. Nanoindentation studies on the elastic and plastic deformation properties of sintered DSS reinforced with tin nanoparticles.. 2017. Paper presented at 14th International Conference on Fracture, ICF 2017, Rhodes, Greece.