The role of synthetic oils in controlling hydrogen permeation of rolling/sliding contacts
The role of synthetic oils in controlling hydrogen permeation of rolling/sliding contacts
Bearing steels suffer from a degradation of mechanical properties when atomic hydrogen diffuses into the steel from the contact surface. In rolling contact fatigue tests this can lead to a significant reduction in fatigue lives of the specimens as the amount of hydrogen diffused into the steel increases. To mitigate this challenge synthetic oils of different chemistry have been studied so as to identify their efficiency and mechanism of retarding or preventing hydrogen permeation. Thrust bearing type tests were conducted with three synthetic base oils. The effect of base oil chemistry on hydrogen generation and permeation in bearing steel was explored by relating the concentration of hydrogen species in specimens with changes in the surface and subsurface of the wear track and the condition of the oil.
Tanaka, Hiroyoshi
3590bace-54f9-4647-b10f-2852c25f9f36
Ratoi, Monica
cfeffe10-31ca-4630-8399-232c4bc2beff
Sugimura, Joichi
fd2a9a25-1b09-44e4-b8ca-d5cb66ea67db
Tanaka, Hiroyoshi
3590bace-54f9-4647-b10f-2852c25f9f36
Ratoi, Monica
cfeffe10-31ca-4630-8399-232c4bc2beff
Sugimura, Joichi
fd2a9a25-1b09-44e4-b8ca-d5cb66ea67db
Tanaka, Hiroyoshi, Ratoi, Monica and Sugimura, Joichi
(2020)
The role of synthetic oils in controlling hydrogen permeation of rolling/sliding contacts.
RSC Advances.
(doi:10.1039/D0RA00294A).
Abstract
Bearing steels suffer from a degradation of mechanical properties when atomic hydrogen diffuses into the steel from the contact surface. In rolling contact fatigue tests this can lead to a significant reduction in fatigue lives of the specimens as the amount of hydrogen diffused into the steel increases. To mitigate this challenge synthetic oils of different chemistry have been studied so as to identify their efficiency and mechanism of retarding or preventing hydrogen permeation. Thrust bearing type tests were conducted with three synthetic base oils. The effect of base oil chemistry on hydrogen generation and permeation in bearing steel was explored by relating the concentration of hydrogen species in specimens with changes in the surface and subsurface of the wear track and the condition of the oil.
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Accepted/In Press date: 25 November 2020
e-pub ahead of print date: 24 December 2020
Identifiers
Local EPrints ID: 446201
URI: http://eprints.soton.ac.uk/id/eprint/446201
ISSN: 2046-2069
PURE UUID: ad721812-f3cb-49ab-937a-da1bec1548f2
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Date deposited: 28 Jan 2021 17:30
Last modified: 17 Mar 2024 03:19
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Author:
Hiroyoshi Tanaka
Author:
Joichi Sugimura
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