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ISO 4821:2022

Plain bearings — Dynamic adhesion test method for DLC coated parts under lubricated condition

May 18, 2022

General information

60.60     May 18, 2022

ISO

ISO/TC 123/SC 7

International Standard

21.100.10  

English  

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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.

Life cycle

NOW

PUBLISHED
ISO 4821:2022
60.60 Standard published
May 18, 2022