In this work, CrAlN and TiAlN coatings were deposited on stainless steel substrates by a vacuum arc reactive deposition process from two lateral rotating elemental aluminum and chromium or titanium cathodes in a flowing pure nitrogen atmosphere. The composition and crystalline structure of the as-deposited coatings was analyzed by energy dispersive analysis of X-rays (EDX) and X-ray diffraction...

The aim of this study is to investigate the effects various ceramic-based coatings on performance AISI M2 high-speed steel punch used in nut piercing process. punches were coated with TiN, TiN/CrN, and CrAlN utilizing a physical vapour deposition method. total stroke number was evaluate tool life CrAlN, TiN/CrN punches. able work up greater numbers than TiN CrAlN. Hardness wear tests performed ...

Nanocomposite CrAlSiN compounds prepared by the cathodic arc evaporation technique were subjected to structural and mechanical characterization tests. X-ray diffraction, X-ray absorption spectroscopy (XAS) and transmission electron microscopy (TEM) were employed to investigate the effects of Si addition on the structure and phase development of the metastable NaCl structure of high aluminum CrA...

Cold forming has required considerably superior hard coating on a die to manufacture net-shaped products. Especially, under poor lubrication conditions or dry condition, the is indispensable for success of manufacturing. Accordingly, prevent adhesion, reduce friction, and control wear. Recently, it been also necessary improve life product qualities severe tribological conditions. However, compr...

CrN/CrAlN thin films were deposited by DC reactive magnetron sputtering. The influence of bilayer thickness on the microstructure, mechanical, and tribological properties was studied. Crystallinity layers characterized x-ray diffraction. microstructure all coatings observed scanning electron microscopy. Results exhibit that a dominant factor. analyses showed columnar for coatings. Owing to thei...

Zusammenfassung HPPMS‐Werkzeugbeschichtungen: Spanbildung und Reibung In der vorliegenden Studie wurden drei verschiedene mittels HPPMS abgeschiedene Verschleißschutzschichten – CrAlN+Mo:S, CrAlON TiAlCrSiN mit einem speziellen Hobelversuchsaufbau untersucht. Dabei die Kontaktlänge zwischen Span Spanfläche, Spandicke Reibungskoeffizient beim Hobeln gleichzeitige gemessen. Anhand von Hochgeschwi...

The development of multinary nitrides materials has revolutionised the hard coatings industry over the last 20 years. Especially important materials systems in this matter have been TiAlN and CrAlN which shows higher hardness, better oxidation resistance and can perform at higher temperatures as compared to TiN. When synthesised through physical vapour deposition techniques these system form cu...

This work evaluated the influence of titanium carbo-nitride (TiCN), chromium aluminum nitride (CrAlN), and boron (BCN) coatings deposited on AISI 1045 steel their behavior in fatigue life. Suitable deposition parameters were established to obtain appropriate times for polycrystalline growth desired stoichiometry, as well a stable layer thickness ~ 3 ?m. The physical chemical properties obtained...