ISO 21874-2019 PVD多层硬质涂料-组成、结构和性能 PVD multi-layer hard coatings — Composition, structure and properties

This document specifies the evaluation standard of the composition, structure and properties o multi-layer hard coatings by common physical vapor deposition (PVD), indicating a vacuum depositio method that produces a material source by evaporation, sputtering or related non-chemical ways.st edition 2019-10 PVD multi-layer hard coatings — Composition, structure and properties Revêtements durs multicouches déposés par PVD — Composition, structure et propriétés Reference number ISO 21874:2019(E) ？ ISO 2019 ISO 21874:2019(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2019 All rights reserved. Unless otherwise specified, or required in the context