The PVD (Physical Vapor Deposition) method of jewelry is a process used in the jewelry industry to create a durable and long-lasting finish on metal surfaces.
It involves the deposition of a thin layer of material onto the surface of the jewelry piece through a physical process such as evaporation or sputtering.
There are two primary methods of PVD deposition used in jewelry: sputtering and cathodic-arc.
Sputtering deposition is the most commonly used method as it occurs at temperatures suitable for almost all varieties of materials.
On the other hand, the cathodic-arc method is less used due to the extremely high temperatures involved, which may not be suitable for most materials.
The purpose of PVD coating on jewelry is twofold: decorative and functional.
From a decorative perspective, PVD coating can give jewelry a variety of colors and finishes, including gold and silver tones, as well as more vivid and vibrant colors.
PVD-coated jewelry, especially gold-plated jewelry, is popular in the European and American markets.
From a functional perspective, PVD coating provides increased durability, longer lifespan, and corrosion-resistant properties to the jewelry.
Unlike traditional plating methods like electroplating, PVD coating forms an atomic bond, ensuring that the coating adheres securely to the base material.
This creates a highly durable layer that resists fading, scratching, and tarnishing, allowing the jewelry to retain its beauty and brilliance for an extended period of time.
PVD-coated jewelry with everyday wear can last 3 years or more, while electroplated jewelry typically lasts only 1 year with daily use.
The process of PVD coating on jewelry involves the evaporation of the coating substance, which is then bombarded onto the surface of the object.
The vapors attach to the surface at the molecular or atomic level, creating a thin layer that is nearly impossible to remove.
In summary, PVD coating is a highly durable and long-lasting method used in the jewelry industry to enhance the decorative and functional aspects of jewelry.
It provides a wide range of colors and finishes, increased durability, and corrosion resistance, making PVD-coated jewelry a popular choice among consumers.
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