Precautions for Fluororesin and PEEK Coating on Aluminum Parts
Confirming the risks of strength reduction, softening, and deformation that occur during high-temperature sintering in advance.
When applying fluororesin or PEEK coatings to aluminum alloys, it is important to be cautious of thermal effects caused by high-temperature firing. Particularly with age-hardened aluminum materials, re-heating can change strength and hardness, potentially affecting dimensional accuracy and mechanical properties. This article explains the mechanisms of thermal effects on aluminum substrates and countermeasures.
basic information
In fluororesin coating and PEEK coating, a coating film is formed through high-temperature sintering. This heating can change the state of precipitates within the aluminum alloy, potentially disrupting the aging hardening state. As a result, there may be cases where tensile strength and hardness decrease, and the substrate softens. Additionally, thermal distortion or dimensional changes may occur, requiring caution with precision parts. Our company confirms the material, heat treatment condition, and required precision in advance, and we propose coating specifications that minimize thermal effects.
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Applications/Examples of results
- Aluminum transport parts - Lightweight machine parts - Semiconductor device parts - Food equipment parts - Precision jigs - Thin-walled aluminum parts - Aluminum frames In particular, for precision applications, even slight deformations or changes in hardness can affect performance, so prior consideration is important. Our company optimizes heating conditions and firing conditions, and carries out processing that takes thermal effects into account.
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Nikken Coating Industry Co., Ltd. has been a specialized manufacturer of functional coatings for contract processing, earning the trust of customers across various industries for 79 years since its founding. We leverage our processing technology to maximize the properties of fluororesins, such as non-stick, lubricity, and chemical resistance, providing high-performance coatings that directly address customer challenges, including "Thermo Pro Release" for thermal welding processes and "NonStick STC" for blades and precision molds. In recent years, in response to movements regarding regulations on fluorinated compounds (PFAS), "PEEK resin," which is gaining attention as a substitute for fluororesins, has become a focus. Nikken Coating Industry commercialized the world's first PEEK resin coating, "PEEKCOAT," in 1999. Based on the solid knowledge and know-how accumulated over more than 20 years, we are further intensifying our research and development efforts to explore the potential of next-generation PEEK coatings! We aim to be recognized as "the go-to for PEEK coatings" and will continue to lead the way. As "the best partner for functional coatings that builds trust through technology," Nikken Coating Industry will continue to contribute to the creation of high-quality, high-performance products.