Tribocorrosion study of martensitic and austenitic stainless steels in 0.01 M NaCl solution

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Abstract

In this study, types 440B (martensitic) and 304 (austenitic) stainless steel were subjected to microstructural characterisation and a series of tribocorrosion tests in a pin-on-disc facility equipped with a corrosion cell, in order to obtain understanding on their tribocorrosion behaviour in 0.01 M NaCl solution under the loads up to 5 N. The results from tribocorrosion tests revealed that, as compared to pure corrosion, open circuit potential of the materials under the applied load shifted towards negative direction and the measured current density correspondingly increased. Potentiostatic tests enabled tribocorrosion behaviour of the materials to be investigated at constant potential values that represent different oxidising capacities of the solution. It was shown that volume losses by wear were independent of potential and test material. In contrast to this, volume losses by corrosion increased with increase in potential for type 440B stainless steel, while those by synergetic effects of corrosion and wear grew with increase in potential for both test materials and become the key damage mechanism under oxidising conditions. However, corrosion attack was local, causing actually more dramatic effects on material losses (through synergy) than disclosed solely by volume losses by corrosion, and clearly linked with the material microstructure. In this paper, these results are presented and discussed in the light of alloy repassivation capability.
Original languageEnglish
Pages (from-to)358-371
JournalTribology International
Volume95
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

martensitic stainless steels
Martensitic stainless steel
austenitic stainless steels
Austenitic stainless steel
corrosion
Corrosion
materials tests
Wear of materials
Stainless Steel
attack
stainless steels
Current density
Stainless steel
current density
damage
microstructure
Microstructure
Networks (circuits)
cells

Keywords

  • tribocorrosion
  • sliding
  • corrosion
  • wear track
  • coefficient of friction

Cite this

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title = "Tribocorrosion study of martensitic and austenitic stainless steels in 0.01 M NaCl solution",
abstract = "In this study, types 440B (martensitic) and 304 (austenitic) stainless steel were subjected to microstructural characterisation and a series of tribocorrosion tests in a pin-on-disc facility equipped with a corrosion cell, in order to obtain understanding on their tribocorrosion behaviour in 0.01 M NaCl solution under the loads up to 5 N. The results from tribocorrosion tests revealed that, as compared to pure corrosion, open circuit potential of the materials under the applied load shifted towards negative direction and the measured current density correspondingly increased. Potentiostatic tests enabled tribocorrosion behaviour of the materials to be investigated at constant potential values that represent different oxidising capacities of the solution. It was shown that volume losses by wear were independent of potential and test material. In contrast to this, volume losses by corrosion increased with increase in potential for type 440B stainless steel, while those by synergetic effects of corrosion and wear grew with increase in potential for both test materials and become the key damage mechanism under oxidising conditions. However, corrosion attack was local, causing actually more dramatic effects on material losses (through synergy) than disclosed solely by volume losses by corrosion, and clearly linked with the material microstructure. In this paper, these results are presented and discussed in the light of alloy repassivation capability.",
keywords = "tribocorrosion, sliding, corrosion, wear track, coefficient of friction",
author = "Elina Huttunen-Saarivirta and Lauri Kilpi and Hakala, {Timo J.} and Leena Carpen and Helena Ronkainen",
year = "2016",
doi = "10.1016/j.triboint.2015.11.046",
language = "English",
volume = "95",
pages = "358--371",
journal = "Tribology International",
issn = "0301-679X",
publisher = "Elsevier",

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TY - JOUR

T1 - Tribocorrosion study of martensitic and austenitic stainless steels in 0.01 M NaCl solution

AU - Huttunen-Saarivirta, Elina

AU - Kilpi, Lauri

AU - Hakala, Timo J.

AU - Carpen, Leena

AU - Ronkainen, Helena

PY - 2016

Y1 - 2016

N2 - In this study, types 440B (martensitic) and 304 (austenitic) stainless steel were subjected to microstructural characterisation and a series of tribocorrosion tests in a pin-on-disc facility equipped with a corrosion cell, in order to obtain understanding on their tribocorrosion behaviour in 0.01 M NaCl solution under the loads up to 5 N. The results from tribocorrosion tests revealed that, as compared to pure corrosion, open circuit potential of the materials under the applied load shifted towards negative direction and the measured current density correspondingly increased. Potentiostatic tests enabled tribocorrosion behaviour of the materials to be investigated at constant potential values that represent different oxidising capacities of the solution. It was shown that volume losses by wear were independent of potential and test material. In contrast to this, volume losses by corrosion increased with increase in potential for type 440B stainless steel, while those by synergetic effects of corrosion and wear grew with increase in potential for both test materials and become the key damage mechanism under oxidising conditions. However, corrosion attack was local, causing actually more dramatic effects on material losses (through synergy) than disclosed solely by volume losses by corrosion, and clearly linked with the material microstructure. In this paper, these results are presented and discussed in the light of alloy repassivation capability.

AB - In this study, types 440B (martensitic) and 304 (austenitic) stainless steel were subjected to microstructural characterisation and a series of tribocorrosion tests in a pin-on-disc facility equipped with a corrosion cell, in order to obtain understanding on their tribocorrosion behaviour in 0.01 M NaCl solution under the loads up to 5 N. The results from tribocorrosion tests revealed that, as compared to pure corrosion, open circuit potential of the materials under the applied load shifted towards negative direction and the measured current density correspondingly increased. Potentiostatic tests enabled tribocorrosion behaviour of the materials to be investigated at constant potential values that represent different oxidising capacities of the solution. It was shown that volume losses by wear were independent of potential and test material. In contrast to this, volume losses by corrosion increased with increase in potential for type 440B stainless steel, while those by synergetic effects of corrosion and wear grew with increase in potential for both test materials and become the key damage mechanism under oxidising conditions. However, corrosion attack was local, causing actually more dramatic effects on material losses (through synergy) than disclosed solely by volume losses by corrosion, and clearly linked with the material microstructure. In this paper, these results are presented and discussed in the light of alloy repassivation capability.

KW - tribocorrosion

KW - sliding

KW - corrosion

KW - wear track

KW - coefficient of friction

U2 - 10.1016/j.triboint.2015.11.046

DO - 10.1016/j.triboint.2015.11.046

M3 - Article

VL - 95

SP - 358

EP - 371

JO - Tribology International

JF - Tribology International

SN - 0301-679X

ER -