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ISO 4821:2022

Plain bearings - Dynamic adhesion test method for DLC coated parts under lubricated condition
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ISO 4821:2022

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

PUBLISH DATE 2022
ISO 4821:2022

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.

SDO ISO: International Organization for Standardization
Document Number ISO 4821
Publication Date May 1, 2022
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 123/SC 7
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