Wear behaviour of nitrogen-implanted AISI 420 martensitic stainless steel

J. I. Oñate; J. K. Dennis; S. Hamilton

doi:10.1016/0257-8972(90)90119-W

Wear behaviour of nitrogen-implanted AISI 420 martensitic stainless steel

J. I. Oñate^*, J. K. Dennis, S. Hamilton

^*Corresponding author for this work

TECNALIA Research & Innovation

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

In the present work the effects of nitrogen implantation on AISI 420 steel have been investigated. Implantation has been carried out at 90 keV and doses above 10¹⁷ ions cm^-2. Wear and friction behaviour was studied by means of a Falex wear test at 900 N load using lubricated conditions, and with a dry pin-on-disc procedure at loads of about 10 N. Implantation reduced significantly the wear by 5.5 times and also the friction coefficient during the running-in period. Scuffing was also notably reduced on the surface of the implanted test pieces. X-ray photoelectron spectroscopy showed that the implanted nitrogen was almost entirely bound to chromium, forming nitrides; this explains the increases in wear resistance and surface hardness obtained. The bombardment during ion implantation modified the initial oxide layer on the surface of the steel; the observed change in the wear mechanism is analysed in view of this result.

Original language	English
Pages (from-to)	119-131
Number of pages	13
Journal	Surface and Coatings Technology
Volume	42
Issue number	2
DOIs	https://doi.org/10.1016/0257-8972(90)90119-W
Publication status	Published - 15 Nov 1990

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title = "Wear behaviour of nitrogen-implanted AISI 420 martensitic stainless steel",

abstract = "In the present work the effects of nitrogen implantation on AISI 420 steel have been investigated. Implantation has been carried out at 90 keV and doses above 1017 ions cm-2. Wear and friction behaviour was studied by means of a Falex wear test at 900 N load using lubricated conditions, and with a dry pin-on-disc procedure at loads of about 10 N. Implantation reduced significantly the wear by 5.5 times and also the friction coefficient during the running-in period. Scuffing was also notably reduced on the surface of the implanted test pieces. X-ray photoelectron spectroscopy showed that the implanted nitrogen was almost entirely bound to chromium, forming nitrides; this explains the increases in wear resistance and surface hardness obtained. The bombardment during ion implantation modified the initial oxide layer on the surface of the steel; the observed change in the wear mechanism is analysed in view of this result.",

author = "O{\~n}ate, {J. I.} and Dennis, {J. K.} and S. Hamilton",

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T1 - Wear behaviour of nitrogen-implanted AISI 420 martensitic stainless steel

AU - Oñate, J. I.

AU - Dennis, J. K.

AU - Hamilton, S.

PY - 1990/11/15

Y1 - 1990/11/15

N2 - In the present work the effects of nitrogen implantation on AISI 420 steel have been investigated. Implantation has been carried out at 90 keV and doses above 1017 ions cm-2. Wear and friction behaviour was studied by means of a Falex wear test at 900 N load using lubricated conditions, and with a dry pin-on-disc procedure at loads of about 10 N. Implantation reduced significantly the wear by 5.5 times and also the friction coefficient during the running-in period. Scuffing was also notably reduced on the surface of the implanted test pieces. X-ray photoelectron spectroscopy showed that the implanted nitrogen was almost entirely bound to chromium, forming nitrides; this explains the increases in wear resistance and surface hardness obtained. The bombardment during ion implantation modified the initial oxide layer on the surface of the steel; the observed change in the wear mechanism is analysed in view of this result.

AB - In the present work the effects of nitrogen implantation on AISI 420 steel have been investigated. Implantation has been carried out at 90 keV and doses above 1017 ions cm-2. Wear and friction behaviour was studied by means of a Falex wear test at 900 N load using lubricated conditions, and with a dry pin-on-disc procedure at loads of about 10 N. Implantation reduced significantly the wear by 5.5 times and also the friction coefficient during the running-in period. Scuffing was also notably reduced on the surface of the implanted test pieces. X-ray photoelectron spectroscopy showed that the implanted nitrogen was almost entirely bound to chromium, forming nitrides; this explains the increases in wear resistance and surface hardness obtained. The bombardment during ion implantation modified the initial oxide layer on the surface of the steel; the observed change in the wear mechanism is analysed in view of this result.

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JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

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ER -

Wear behaviour of nitrogen-implanted AISI 420 martensitic stainless steel

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