ISO 4517:2025 PDF

Physical vapor deposition (PVD) coatings — Contact angle measurement of metallic hydrophobic PVD coatings

Название (английский):

ISO 4517:2025

Physical vapor deposition (PVD) coatings — Contact angle measurement of metallic hydrophobic PVD coatings

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 9 мая 2025 г.
Издание:: ISO IS 4517 edition 1 version 1
ICS:: 25.220.40

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Описание (английский):

This document specifies the requirements for the contact angle measurement of metallic hydrophobic thin film coatings deposited by the physical vapor deposition (PVD) method, including thermal evaporation, sputtering and ion plating. This document does not apply to non-metallic coatings, paints or varnishes.

Технические детали

Технический комитет: ISO/TC 107/SC 9 - Physical vapor deposition coatings
SKU: ISO 4517:2025

Abstract

Overview - ISO 4517:2025 (PVD coatings, contact angle measurement)

ISO 4517:2025 specifies standardized requirements and procedures for measuring the water contact angle of metallic hydrophobic thin films produced by physical vapor deposition (PVD) methods (thermal evaporation, sputtering, ion plating). The standard targets metallic PVD coatings only (not polymeric coatings, paints or varnishes) and defines how to evaluate wettability quantitatively using the sessile-drop contact angle technique and related surface characterization.

Key topics and technical requirements

Measurement principle: Static sessile-drop contact angle measured with a contact angle goniometer; tangent at the three‑phase boundary yields the water contact angle (θ). Hydrophobic: θ > 90°; superhydrophobic: θ > 150°.
Droplet procedure: Place droplet with syringe, record at least five measurements on different positions and report the average. Typical droplet extrusion example: 2 μL; recommended droplet volume range 1–5 μL to avoid gravity/evaporation effects.
Timing since deposition: Metallic PVD coatings evolve in wettability due to hydrocarbon adsorption in air. Measure contact angle at least 7 days after deposition when values stabilize (example: ~100° reported after ~168 h).
Environment control: Perform measurements in ambient air with controlled temperature 20–30 °C and relative humidity 40–60 %; avoid vibrations, strong air flows or bright light during measurement.
Surface quality & morphology: Examine coating topography using AFM, SEM, profilometer. Indicative quality: RMS roughness R

Overview - ISO 4517:2025 (PVD coatings, contact angle measurement)

Key topics and technical requirements

Measurement principle: Static sessile-drop contact angle measured with a contact angle goniometer; tangent at the three‑phase boundary yields the water contact angle (θ). Hydrophobic: θ > 90°; superhydrophobic: θ > 150°.
Droplet procedure: Place droplet with syringe, record at least five measurements on different positions and report the average. Typical droplet extrusion example: 2 μL; recommended droplet volume range 1–5 μL to avoid gravity/evaporation effects.
Timing since deposition: Metallic PVD coatings evolve in wettability due to hydrocarbon adsorption in air. Measure contact angle at least 7 days after deposition when values stabilize (example: ~100° reported after ~168 h).
Environment control: Perform measurements in ambient air with controlled temperature 20–30 °C and relative humidity 40–60 %; avoid vibrations, strong air flows or bright light during measurement.
Surface quality & morphology: Examine coating topography using AFM, SEM, profilometer. Indicative quality: RMS roughness R

ISO 4517:2025 PDF

Технические детали

Abstract

Overview - ISO 4517:2025 (PVD coatings, contact angle measurement)

Key topics and technical requirements

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Abstract

Overview - ISO 4517:2025 (PVD coatings, contact angle measurement)

Key topics and technical requirements

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