Which industries benefit the most from MAO coatings?

Industries That Leverage MAO Coatings for Critical Performance

Micro-arc Oxidation (MAO) coatings provide transformative benefits for industries where components face extreme combinations of wear, corrosion, and thermal stress. Its unique ability to create a thick, hard, and integrally bonded ceramic layer makes it indispensable for enhancing component lifespan and reliability in the most demanding environments.

1. Aerospace and Aviation

This is a primary beneficiary. The industry's relentless pursuit of lightweighting without sacrificing performance makes MAO ideal for aluminum and magnesium components. It is used on:

• Landing Gear Components: For wear resistance against abrasion and corrosion protection from de-icing fluids and salt-laden air.

• Engine Accessories and Compressor Parts: Where weight savings and resistance to light erosion are critical.

• Actuators and Flight Control Systems: To ensure reliable operation by preventing galling and fretting in moving parts.

2. Automotive and Transportation (Particularly Electric Vehicles)

The shift towards electric vehicles and higher-performance internal combustion engines drives adoption. MAO is applied to:

• Engine Blocks and Pistons: (For ICEs) to reduce friction and wear.

• Battery Housings and Thermal Management Systems: (For EVs) to provide electrical insulation and protect against coolant corrosion.

• Lightweight Suspension and Steering Components: To withstand stone chipping, road salt, and mechanical stress, as seen in our work with automotive partners.

3. Industrial Manufacturing and Power Tools

For equipment that must operate reliably in harsh conditions, MAO offers a long-lasting solution. Applications include:

• Hydraulic and Pneumatic Components: Pistons, rods, and valves benefit from the coating's wear and corrosion resistance, extending service intervals.

• Robotic Arms and End-Effectors: To prevent damage from repetitive motion and accidental impacts.

• Power Tool Housings and Gears: As utilized by partners like Bosch, where durability is a key selling point.

4. Medical and Biomedical Equipment

The biocompatibility of the alumina ceramic layer, combined with its durability, makes it suitable for:

• Surgical and Dental Instruments: Providing a hard, non-stick, and autoclavable surface.

• Components for Imaging and Diagnostic Equipment: Where precision and resistance to cleaning agents are required.

5. Consumer Electronics

While often for internal components, MAO is increasingly used where extreme durability is a premium feature:

• Wearable Device Housings: To resist daily scratches and abrasion.

• Internal Structural Frames: For devices requiring high strength-to-weight ratios and protection from environmental degradation.

In summary, the industries that benefit most from MAO are those where component failure is not an option, and the operational environment pushes materials to their limits. The coating's superior performance in these applications justifies its specification, directly contributing to enhanced safety, reduced maintenance, and longer product lifecycles.