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What is PVD Coating?

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What is PVD Coating?

April 12, 2023
Latest company case about What is PVD Coating?

What is PVD Coating and its Application?


PVD (physical vapor deposition) coating technology is mainly divided into three categories: vacuum evaporation coating, vacuum sputtering coating and vacuum ion coating. Corresponding to the three categories of PVD technology, the corresponding vacuum coating equipment includes vacuum evaporation coating machine, vacuum sputtering coating machine and vacuum ion coating machine. In recent ten years, the development of vacuum ion coating technology is fast. It has become one of the advanced surface treatment methods. PVD coating, as we usually call it, refers to vacuum ion coating; PVD coating machine usually refers to vacuum ion coating machine.


The characteristics of PVD coating. The coating plated by PVD technology has the characteristics of high hardness, high wear resistance (low friction coefficient), good corrosion resistance and chemical stability, and the service life of the coating is longer; At the same time, the film can greatly improve the appearance decoration performance of the workpiece.


PVD coating technology is an environmentally friendly surface treatment method that can truly obtain micron coatings without pollution. The thickness of PVD coating layer is micron, and the thickness is relatively thin, generally 0.3 μ m5 μ m. The thickness of decorative coating is 0.3 μ m1 μ m. Therefore, various physical and chemical properties of the workpiece surface can be improved without affecting the original size of the workpiece, and there is no need to process after plating.


Color Types of PVD Coating At present, the colors of PVD coating can include dark golden yellow, light golden yellow, coffee, bronze, gray, black, gray black, seven colors, etc. The color of the coating can be controlled by controlling the relevant parameters in the coating process; After coating, the color can be measured with relevant instruments to quantify the color, so as to determine whether the plated color meets the requirements.


Advantage of PVD Coating. Similarities and differences between PVD coating and traditional chemical plating (water plating). The similarities between PVD coating and traditional chemical plating are that they both belong to the category of surface treatment, and make one material cover the surface of another material in a certain way. The differences between the two are: PVD coating has greater adhesion to the workpiece surface, higher hardness, better wear resistance and corrosion resistance, and more stable performance; PVD coating will not produce toxic or polluting substances.


Development of PVD Technology PVD technology appeared in the late 1970s. The prepared films have the advantages of high hardness, low friction coefficient, good wear resistance and chemical stability. The successful application in the field of high-speed steel cutting tools has attracted great attention in the manufacturing industry all over the world. While developing high-performance and high reliability coating equipment, people have also carried out more in-depth coating application research in cemented carbide and ceramic cutting tools.


Performance Characteristics of PVD coating


1. Biocompatibility. PVD film is metallic appearance, uniform color, durable surface, and maintains good appearance in a variety of basic air and direct sunlight environmental conditions.

It is economical and can reduce the time and cost necessary to clean and polish electroplated brass or gold.

It is harmless to the environment and avoids chemical poisoning and VOC emission.


2. Coating Characteristics

-Excellent adhesion it can be bent more than 90 degrees without cracking or peeling (PVD coating holds high adhesion and durability). Electroplating, spraying and other technologies cannot be compared with PVD coating adhesion.

-Any conceivable design pattern can be etched.

-It can be used for interior decoration or outdoor decoration, oxidation and corrosion resistance.


3. PVD Film Resistance

-Corrosion resistance and stable chemical properties.

-In the conventional environment, indoor or outdoor, it is antioxidant, does not fade, does not lose luster, and does not leave traces. It will not be damaged under normal use.

-It is antioxidant. Does not fade, lose luster, leave trances in conventional environment either indoor or outdoor. And it will not be easy damaged when normal use.

-It does not change color or fall off in harsh environments such as hot sun and humidity, and has stable performance.

- Highly wear-resistant, scratch resistant and not easy to scratch.

- It has a wide range of plating materials and strong adhesion with the matrix.

- Harmless to human body and ecological environment.

-Economy: It saves the time and cost of cleaning and polishing general gold plated products. The PVD film can be cleaned with a soft cloth and glass cleaner.



PVD Decorative Coating Color

    PVD can plating gold, brass, rose gold, silver white, black, smoke gray, copper, brown, purple, blue, wine red, bronze and other colors on stainless steel, copper, zinc aluminum alloy and other metals, and can provide the required colors and quality according to your requirements.



Scope of Application

    PVD technology is widely used in the processing and manufacturing of door and window hardware, kitchen and bathroom hardware, lamps, marine supplies, jewelry, handicrafts and other decorative products.


Nowadays, PVD has been quite popular in the field of daily hardware, and many hardware manufacturers have begun the development and mass production of PVD products. PVD's rich colors make it very easy to match. Its excellent resistance to harsh environment, easy cleaning and non fading performance make it deeply loved by consumers. In particular, copper series coatings are widely used all over the world to replace copper and plating.


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