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Journals / Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2018 / Cilt: 11 - Sayı: 3

Friction Behavior of TiAlN, AlTiN and AlCrN Multilayer Coatings at Nanoscale

Doğuş ÖZKAN
Pages
451–458
Publication Date
2018-12-30
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Results showed that the AlTiN coating had three times lower COF value than the TiAlN and AlCrN coatings due to the lower surface energy.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, 3.5 μm thick TiAlN, AlTiN, and AlCrN multilayer coatings were deposited on the H13 steel surface by physical vapor deposition (PVD) method.
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Key Findings & Data:Friction behavior of these coatings was investigated by friction force microscopy for the first time at nanoscale in the literature.
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Conclusion & Impact:Results showed that the AlTiN coating had three times lower COF value than the TiAlN and AlCrN coatings due to the lower surface energy.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Amonton Yasasi · Elastik Modulü · Fiziksel Buharlaştirma ile Biriktirme

Abstract

In this study, 3.5 μm thick TiAlN, AlTiN, and AlCrN multilayer coatings were deposited on the H13 steel surface by physical vapor deposition (PVD) method. Friction behavior of these coatings was investigated by friction force microscopy for the first time at nanoscale in the literature. Friction force measurements were performed with the atomic force microscopy lateral force mode at various loads. Results showed that the AlTiN coating had three times lower COF value than the TiAlN and AlCrN coatings due to the lower surface energy. It was observed in this study that Amonton’s law was valid for the COF evolution at the nanoscale.

Özet

Bu çalışmada H13 çeliği üzerine fiziksel buharlaştırma yöntemi ile 3.5 mikron kalınlığa sahip çok katmanlı TiAlN, AlTiN ve AlCrN kaplamalar yapılmıştır. Kaplamaların sürtünme karakteristikleri sürtünme kuvveti mikroskopisi ile nano mertebede literatürde ilk kez araştırılmıştır. Sürtünme kuvveti ölçümleri değişen yükler altında atomic kuvvet mikroskopunun yatay kuvvet modunda gerçekleştirilmiştir. Sonuçlar AlTiN kaplamasının diğer kaplamalara göre düşük yüzey enerjisi nedeni ile üç kat daha az sürtünme katsayısına sahip olduğunu göstermiştir. Bu çalışmada Amonton yasasının nano mertebede sürtünme katsayısını bulmada geçerli olduğu gözlemlenmiştir.

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Cite This Article

ÖZKAN, D. (2018). Friction Behavior of TiAlN, AlTiN and AlCrN Multilayer Coatings at Nanoscale. Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 11 - Sayı: 3, 451–458. https://ajindex.com/articles/234439

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