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ISO 4821:2022 PDF
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Plain bearings — Dynamic adhesion test method for DLC coated parts under lubricated condition
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.
| Edition | 2022 |
|---|---|
| Published Date | 2022 |
| Published By | International Standardization Organisation |
| Page Count | 13 |
