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  4. Standard "ISO 4821:2022"
Standard ISO 4821:2022 18.5.2022 preview

ISO 4821:2022

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

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STANDARD published on 18.5.2022


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Price147.10 USD excl. VAT
147.10 USD

The information about the standard:

Designation standards: ISO 4821:2022
Publication date standards: 18.5.2022
SKU: NS-1064377
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: International technical standard
Category: Technical standards ISO

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Plain bearings

Annotation of standard text ISO 4821:2022 :

Description / Abstract: 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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