ISO-4821 › Plain bearings - Dynamic adhesion test method for DLC coated parts under lubricated condition
ISO-4821
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1ST EDITION
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CURRENT
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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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Document Number
ISO 4821:2022
Revision Level
1ST EDITION
Status
Current
Publication Date
May 1, 2022
Committee Number
ISO/TC 123/SC 7