Dramatically improve the performance of the underlying PVD coating! Case study in exhaust heat recovery systems for HV vehicles.
We would like to introduce a case that solved the problem of "wear occurring at the sliding parts of stainless steel in high-temperature environments." The sliding parts were made of SUS materials, and applying lubricants was difficult. We considered nitriding treatment and hard coatings such as DLC, but we could not achieve satisfactory results. Therefore, instead of simply applying a PVD-type film, we significantly improved the performance of the underlying PVD coating by combining it with a high-temperature dry lubrication coating that excels in initial bedding and wear resistance. Our special pretreatment ensured the adhesion of the lubrication coating on the PVD. [Key Points of Problem Solving] ■ Sliding friction between stainless steel tends to cause seizure and galling. ■ Our wear-resistant coating quickly forms an ideal sliding surface and can be applied to areas under thermal load in high-temperature environments and high-performance engines. *For more details, please refer to the PDF document or feel free to contact us.
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【Case Summary】 <Challenges> ■ Wear occurs at the sliding parts of stainless steel in high-temperature environments. ■ The sliding parts are made of SUS materials, and it was difficult to apply lubricants. ■ Although hard coatings such as nitriding treatment and DLC were considered, satisfactory results could not be achieved. <Result> ■ Instead of simply applying a PVD-type film, by combining a high-temperature dry lubrication coating that excels in initial bedding and wear resistance, the performance of the underlying PVD coating was dramatically improved. ■ Our special pretreatment ensures the adhesion of the lubrication coating on the PVD layer. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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We provide a wide range of lubricating and wear-resistant coatings utilizing the properties of solid lubricants such as molybdenum disulfide, graphite, and PTFE (Teflon) for transportation equipment, electrical equipment, water supply equipment, and more. For issues related to wear resistance, corrosion resistance, low friction, and initial break-in on surfaces, please leave it to Japan MT Corporation.