ISO 4821:2022
International Standard
Current Edition
·
Approved on
18 May 2022
Plain bearings — Dynamic adhesion test method for DLC coated parts under lubricated condition
ISO 4821:2022 Files
English
13 Pages
Current Edition
43.82 OMR
ISO 4821:2022 Scope
This document specifies a procedure to measure the adhesion strength of diamond-like carbon (DLC) coatings specified in ISO 20523 by detecting acoustic emission signals using ball-on-disk method under the lubricated condition. DLC is normally coated on metal or ceramic.
The test results are not applicable when the DLC coated parts operate in an unlubricated environment.
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