Anodizing Service
Manufacturers use Anodizing to increase the thickness of the natural oxide layers on the surface of metal parts, most commonly applied to aluminum alloy substrates, it can also be applied to titanium, zinc, magnesium, niobium, zirconium, hafnium, and tantalum. The anodizing process employs electrolytic passivation to achieve the desired properties such as corrosion and wear resistance, better adhesion for paint and glue, or aesthetic effects. For aesthetic effects, thick porous coatings enable a dye to be absorbed, while thin transparent coatings can add interference effects to reflected light.
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What is Anodizing?
The process is called anodizing because the aluminum substrate forms the anode electrode of an electrical circuit. Anodizing is also adopted to prevent the galling or wear of threaded components and make dielectric films for electrolytic capacitors. The microscopic texture of a workpiece and the metal's crystal structure near the surface change with anodizing. Thick coatings usually require a sealing process to prevent corrosion due to their porous nature. Anodic films are beneficial in that they exhibit greater strength and adhesive properties than most types of metal plating; however, they are also more brittle, making them more subject to cracking due to thermal stress.
The main benefits of anodizing include significantly thinner coat than paint or powder, extremely durable, hard, abrasion-resistant, and long-lasting, no peeling or chipping, much harder surface than paint, color fade resistance, excellent corrosion protection, environmentally friendly, good electrical insulator, and affordable.
Historically, the subtractive machining process was manual. Processes such as woodcarving, forging, and filling of metals, once done by hand, have undergone rapid advancements over the past century and now broadly incorporate technology that makes them more efficient and precise. The automated nature of CNC machining makes it possible to create simple, high-precision parts with high accuracy; and to fabricate unique, medium-scale production series cost-effectively.
Anodizing service
Anodizing is a common electrolytic passivation process that is often used to grow the thickness of the natural oxide layer on the surface of metal parts. It improves corrosion and wear resistance and provides better adhesion for paint primers and glues than does bare or untreated metal. Anodizing changes the microscopic texture of the metal's surface by changing the crystal structure of the metal. Thick anodized coatings are usually porous, so sealing processes are often needed to help achieve corrosion resistance. Anodic films are usually much stronger and adhere more easily than paint and metal plating, but sometimes more brittle. This makes them less likely to crack and peel from aging and wear, but more susceptible to cracking from thermal stress. Anodic films can also be used for cosmetic effects, either with thick porous coatings that can absorb dyes in any number of colors or with thin transparent coatings that add interference effects to reflected light. Anodic films are most commonly applied to protect aluminum alloys. However, processes also exist that allow these films to be applied to other common materials as well.
• Benefits of Anodizing:
• Improved Aesthetics
• Bonding
• Wear Resistance
• Corrosion Resistance
• Heat Dissipation
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