Corrosive wear behaviour of various nitriding treatments on a low alloy steel

Georgios Karafyllias, Frazer Brownlie, Lampros Gerasimos Giourntas, Trevor Hodgkiess, Alexander Galloway, Alastair Pearson

Research output: Contribution to conferencePaper

Abstract

The corrosive wear behavior of three gas nitriding treatments (72h, 90h and 120h) on nitrided steel (BS 970-905M39) was investigated under erosion-corrosion conditions at two angles of submerged jet impingement i.e. 90o and 20o. The test solution was 3.5% NaCl. Experiments were conducted with and without the presence of a burden of suspended silica sand particles. It was demonstrated that all the nitriding treatments promoted excellent corrosion resistance in the, particle-free impinging liquid. In the presence of the sand particles, however, clear mass losses were recorded on the nitrided steel but at a lower rate for 20o impingement than at perpendicular incidence. A comprehensive surface examination was conducted and facilitated measurements of wear scar depths under the impingement jet. The outcome of this approach was to demonstrate that the wear scar depths are not directly linked to total mass losses for all materials and this trend is discussed in the paper.
LanguageEnglish
Number of pages10
Publication statusUnpublished - 6 Oct 2015
Event1st International Conference on Tribology - Istanbul, Turkey
Duration: 7 Oct 20159 Oct 2015

Conference

Conference1st International Conference on Tribology
CountryTurkey
CityIstanbul
Period7/10/159/10/15

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Nitriding
High strength steel
Wear of materials
Silica sand
Steel
Corrosion resistance
Erosion
Sand
Corrosion
Liquids
Gases
Experiments

Cite this

Karafyllias, G., Brownlie, F., Giourntas, L. G., Hodgkiess, T., Galloway, A., & Pearson, A. (2015). Corrosive wear behaviour of various nitriding treatments on a low alloy steel. Paper presented at 1st International Conference on Tribology, Istanbul, Turkey.
Karafyllias, Georgios ; Brownlie, Frazer ; Giourntas, Lampros Gerasimos ; Hodgkiess, Trevor ; Galloway, Alexander ; Pearson, Alastair. / Corrosive wear behaviour of various nitriding treatments on a low alloy steel. Paper presented at 1st International Conference on Tribology, Istanbul, Turkey.10 p.
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Karafyllias, G, Brownlie, F, Giourntas, LG, Hodgkiess, T, Galloway, A & Pearson, A 2015, 'Corrosive wear behaviour of various nitriding treatments on a low alloy steel' Paper presented at 1st International Conference on Tribology, Istanbul, Turkey, 7/10/15 - 9/10/15, .

Corrosive wear behaviour of various nitriding treatments on a low alloy steel. / Karafyllias, Georgios; Brownlie, Frazer; Giourntas, Lampros Gerasimos; Hodgkiess, Trevor; Galloway, Alexander; Pearson, Alastair.

2015. Paper presented at 1st International Conference on Tribology, Istanbul, Turkey.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Corrosive wear behaviour of various nitriding treatments on a low alloy steel

AU - Karafyllias, Georgios

AU - Brownlie, Frazer

AU - Giourntas, Lampros Gerasimos

AU - Hodgkiess, Trevor

AU - Galloway, Alexander

AU - Pearson, Alastair

PY - 2015/10/6

Y1 - 2015/10/6

N2 - The corrosive wear behavior of three gas nitriding treatments (72h, 90h and 120h) on nitrided steel (BS 970-905M39) was investigated under erosion-corrosion conditions at two angles of submerged jet impingement i.e. 90o and 20o. The test solution was 3.5% NaCl. Experiments were conducted with and without the presence of a burden of suspended silica sand particles. It was demonstrated that all the nitriding treatments promoted excellent corrosion resistance in the, particle-free impinging liquid. In the presence of the sand particles, however, clear mass losses were recorded on the nitrided steel but at a lower rate for 20o impingement than at perpendicular incidence. A comprehensive surface examination was conducted and facilitated measurements of wear scar depths under the impingement jet. The outcome of this approach was to demonstrate that the wear scar depths are not directly linked to total mass losses for all materials and this trend is discussed in the paper.

AB - The corrosive wear behavior of three gas nitriding treatments (72h, 90h and 120h) on nitrided steel (BS 970-905M39) was investigated under erosion-corrosion conditions at two angles of submerged jet impingement i.e. 90o and 20o. The test solution was 3.5% NaCl. Experiments were conducted with and without the presence of a burden of suspended silica sand particles. It was demonstrated that all the nitriding treatments promoted excellent corrosion resistance in the, particle-free impinging liquid. In the presence of the sand particles, however, clear mass losses were recorded on the nitrided steel but at a lower rate for 20o impingement than at perpendicular incidence. A comprehensive surface examination was conducted and facilitated measurements of wear scar depths under the impingement jet. The outcome of this approach was to demonstrate that the wear scar depths are not directly linked to total mass losses for all materials and this trend is discussed in the paper.

M3 - Paper

ER -

Karafyllias G, Brownlie F, Giourntas LG, Hodgkiess T, Galloway A, Pearson A. Corrosive wear behaviour of various nitriding treatments on a low alloy steel. 2015. Paper presented at 1st International Conference on Tribology, Istanbul, Turkey.