Plasma Electrolytic Oxidation (PEO) Market Share Driven by Demand for High-Performance Surface Treatments in Lightweight Alloys | Valuates Reports

Plasma Electrolytic Oxidation (PEO) Market
The global market for Plasma Electrolytic Oxidation (PEO) was valued at US$ million in the year 2024 and is projected to reach a revised size of US$ million by 2031, growing at a CAGR of %during the forecast period.

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The plasma electrolytic oxidation (PEO) market is experiencing steady market growth as industries increasingly adopt this advanced coating technology to enhance wear resistance, corrosion protection, and thermal stability of lightweight metal components. Market trends are being shaped by the shift toward sustainable surface engineering and the growing use of aluminum, magnesium, and titanium alloys in high-performance applications. These developments are contributing to the expanding market size as PEO becomes essential in precision manufacturing environments.

Among alloy types, aluminum alloy currently holds the largest market share, attributed to its extensive use in automotive and aerospace industries where lightweighting is a critical design strategy. Meanwhile, magnesium alloys are witnessing the fastest market growth, driven by their rising adoption in electronic housings and mobility components requiring superior strength-to-weight ratios. Titanium alloys and other substrates also play a significant role, particularly in medical and aerospace applications where surface integrity is mission-critical.

By application, the automotive segment leads the market, supported by increased demand for durable, lightweight components in electric vehicles and high-performance systems. At the same time, the medical segment is registering the fastest growth, as PEO-treated implants and instruments offer improved biocompatibility and long-term resistance to body fluids. The aerospace and electronic sectors continue to contribute meaningfully, leveraging PEO for components exposed to extreme mechanical and environmental stress.

The market forecast remains favorable, underpinned by advancements in coating process technology, rising R&D investments, and the global trend toward material innovation in lightweight alloys. As manufacturers across sectors seek sustainable and high-performance surface treatments, plasma electrolytic oxidation is poised to become a key enabler of next-generation product development, driving continued market growth in diverse industrial applications.

Segment by Type

• Aluminum Alloy
• Magnesium Alloys
• Titanium Alloy
• Others

Segment by Application

• Medical
• Electronic
• Automotive
• Aerospace
• Others

By Company

Keronite, DEK, IBC Coatings Technologies, TEKNIKER, Lupin Research, NeoCast, Jinhualong

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