Tribological properties of plasma nitrided and hard coated AISI 4140 steel

B. Podgornik (Corresponding Author), J. Vizintin, O. Wänstrand, M. Larsson, S. Hogmark, Helena Ronkainen, Kenneth Holmberg

Research output: Contribution to journalArticleScientificpeer-review

79 Citations (Scopus)

Abstract

In the present study, samples made of AISI 4140 steel pre-treated with plasma nitriding and coated with different PVD coatings (TiN, TiAlN and ta-C) were investigated in terms of their microhardness, surface roughness, scratch adhesion and dry sliding wear resistance. Wear tests, in which duplex-treated pins were mated to hardened ball bearing steel discs, were performed with a pin-on-disc machine. To examine the influence of the nitrided zone on the performance of the coating–substrate composite, coatings were deposited on hardened as well as on plasma nitrided samples, prepared under different nitriding conditions.

The results of the investigation showed improved mechanical and wear properties of the plasma nitrided hard-coated specimens compared to the uncoated and pre-hardened ones. Furthermore, the compound layer was found to act as an intermediate hard layer leading to superior sliding wear properties of the composite.
Original languageEnglish
Pages (from-to)254-259
Number of pages6
JournalWear
Volume249
Issue number3-4
DOIs
Publication statusPublished - 2001
MoE publication typeA1 Journal article-refereed
Event9th Nordic Symposium on Tribology: NORDTRIB 2000 - Porvoo, Finland
Duration: 11 Jun 200014 Jun 2000

Fingerprint

Steel
nitriding
Nitriding
Wear of materials
steels
Plasmas
sliding
coatings
ball bearings
composite materials
Ball bearings
wear tests
Composite coatings
Physical vapor deposition
wear resistance
Microhardness
microhardness
Wear resistance
surface roughness
adhesion

Keywords

  • plasma nitriding
  • hard coatings
  • Duplex treatment
  • Dry sliding

Cite this

Podgornik, B., Vizintin, J., Wänstrand, O., Larsson, M., Hogmark, S., Ronkainen, H., & Holmberg, K. (2001). Tribological properties of plasma nitrided and hard coated AISI 4140 steel. Wear, 249(3-4), 254-259. https://doi.org/10.1016/S0043-1648(01)00564-6
Podgornik, B. ; Vizintin, J. ; Wänstrand, O. ; Larsson, M. ; Hogmark, S. ; Ronkainen, Helena ; Holmberg, Kenneth. / Tribological properties of plasma nitrided and hard coated AISI 4140 steel. In: Wear. 2001 ; Vol. 249, No. 3-4. pp. 254-259.
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Podgornik, B, Vizintin, J, Wänstrand, O, Larsson, M, Hogmark, S, Ronkainen, H & Holmberg, K 2001, 'Tribological properties of plasma nitrided and hard coated AISI 4140 steel', Wear, vol. 249, no. 3-4, pp. 254-259. https://doi.org/10.1016/S0043-1648(01)00564-6

Tribological properties of plasma nitrided and hard coated AISI 4140 steel. / Podgornik, B. (Corresponding Author); Vizintin, J.; Wänstrand, O.; Larsson, M.; Hogmark, S.; Ronkainen, Helena; Holmberg, Kenneth.

In: Wear, Vol. 249, No. 3-4, 2001, p. 254-259.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Tribological properties of plasma nitrided and hard coated AISI 4140 steel

AU - Podgornik, B.

AU - Vizintin, J.

AU - Wänstrand, O.

AU - Larsson, M.

AU - Hogmark, S.

AU - Ronkainen, Helena

AU - Holmberg, Kenneth

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N2 - In the present study, samples made of AISI 4140 steel pre-treated with plasma nitriding and coated with different PVD coatings (TiN, TiAlN and ta-C) were investigated in terms of their microhardness, surface roughness, scratch adhesion and dry sliding wear resistance. Wear tests, in which duplex-treated pins were mated to hardened ball bearing steel discs, were performed with a pin-on-disc machine. To examine the influence of the nitrided zone on the performance of the coating–substrate composite, coatings were deposited on hardened as well as on plasma nitrided samples, prepared under different nitriding conditions.The results of the investigation showed improved mechanical and wear properties of the plasma nitrided hard-coated specimens compared to the uncoated and pre-hardened ones. Furthermore, the compound layer was found to act as an intermediate hard layer leading to superior sliding wear properties of the composite.

AB - In the present study, samples made of AISI 4140 steel pre-treated with plasma nitriding and coated with different PVD coatings (TiN, TiAlN and ta-C) were investigated in terms of their microhardness, surface roughness, scratch adhesion and dry sliding wear resistance. Wear tests, in which duplex-treated pins were mated to hardened ball bearing steel discs, were performed with a pin-on-disc machine. To examine the influence of the nitrided zone on the performance of the coating–substrate composite, coatings were deposited on hardened as well as on plasma nitrided samples, prepared under different nitriding conditions.The results of the investigation showed improved mechanical and wear properties of the plasma nitrided hard-coated specimens compared to the uncoated and pre-hardened ones. Furthermore, the compound layer was found to act as an intermediate hard layer leading to superior sliding wear properties of the composite.

KW - plasma nitriding

KW - hard coatings

KW - Duplex treatment

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Podgornik B, Vizintin J, Wänstrand O, Larsson M, Hogmark S, Ronkainen H et al. Tribological properties of plasma nitrided and hard coated AISI 4140 steel. Wear. 2001;249(3-4):254-259. https://doi.org/10.1016/S0043-1648(01)00564-6