Characterization and wear resistance of coatings in the Cr-C-N ternary system deposited by physical vapour deposition

In the present article, the laser hardening of the carbon steel C45, previously coated by the physical vapour deposition (PVD) process, is studied. The (Al,Ti)N-G and nACo® (nc-AlxTi1-xN/α-Si3N4) coatings were applied. Nd:YAG laser with the laser beam power density of 1945 W/cm2 and scan speed of 300 mm/min was used for hardening process. Laser hardening lead to the formation of hardened layer under both coatings, consisting of austenite and ferrite. The approximate depth of the hardened layer and maximal microhardness was approximately 0.2 mm and 955 HV0.05 and 0.1 mm and 520 HV0.05 in the case of the (Al,Ti)N-G and the nACo® coating, respectively. After laser hardening the sliding wear of the (Al,Ti)N-G coating decreased by 1.25 times and of the nACo® coating by 1.05 times.

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Effect of Varying Load on DLC/AlCrN-Based Coated AISI D2 Die Steel at Constant Sliding Velocity

Volume 14: Emerging Technologies; Materials: Genetics to Structures; Safety Engineering and Risk Analysis ◽

10.1115/imece2017-72481 ◽

2017 ◽

Author(s):

Sukhinderpal Singh ◽

Jasmaninder Singh Grewal

Keyword(s):

Wear Resistance ◽

Magnetron Sputtering ◽

Sliding Wear ◽

Vapour Deposition ◽

Wear Behaviour ◽

Physical Vapour Deposition ◽

Deposition Technique ◽

Dc Magnetron Sputtering ◽

Die Steel ◽

Aisi D2

This study has been made to limit the sliding wear by employing advanced protective nano coatings by using DC magnetron sputtering Physical Vapour Deposition technique. Three advanced nano coatings viz. Diamond-Like Carbon (DLC), composite AlCrN coating and AlCrN/TiAlN multilayered coatings were selected for present work due to their enviable wear resistant characteristics. Coatings were deposited on AISI-D2 die steel by traditional DC magnetron sputtering physical vapour deposition technique. The as deposited coatings were characterized with surface roughness, microhardness, porosity and microstructure. The X-Ray Diffraction (XRD) and field mission scanning electron microscope (FESEM with EDAX) techniques have been used to describe various phases established after coating deposited on the surface of the substrate. Subsequently, sliding wear and friction tests were conducted in accordance with ASTM standard G99-03, under scrutiny variation of load and time and at constant sliding speed. Cumulative wear volume loss and coefficient of friction were formulated for coated as well as uncoated/tempered specimen at a constant speed of 1 m/s and varying load of 25N and 50N. The results from experimentation were analysed with SEM micrographs and Energy dispersive spectrum to analyse the adaptability of coating for base materials, wear behaviour and friction behaviour of coated and uncoated/tempered substrates. The results have shown adaptability of advance nano-coatings for AISI D2 die steel. The generation of oxide layer during wear process provides wear resistance to the AlCrN-based coatings. No thermal instability has been observed in nano-coatings at low temperature generated while experimentation and that is under working range of cold forming processes. It is observed that there is relevant decrease in frictional force by the application of DLC coatings while AlCrN/TiAlN has provided much better wear resistance.

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TEM Investigations of (Ti, Si)N Layer Coated on Magnesium Alloy Using PVD Technique

Solid State Phenomena ◽

10.4028/www.scientific.net/ssp.203-204.198 ◽

2013 ◽

Vol 203-204 ◽

pp. 198-203 ◽

Cited By ~ 2

Author(s):

Tomasz Tański ◽

Krzysztof Labisz ◽

Janusz Szewczenko

Keyword(s):

Electron Microscopy ◽

Thin Films ◽

Wear Resistance ◽

Surface Engineering ◽

Vapour Deposition ◽

Research Work ◽

Deposition Process ◽

General Purpose ◽

General View ◽

Physical Vapour Deposition

Thin films and coatings are applied to engineering materials in order to improve the mechanical properties of the surface, such as wear resistance, corrosion resistance and hardness. This research work deals with coatings deposited by appliance of the Physical Vapour Deposition method (PVD). The presented instigations concerning the production of coatings are one of the present important directions connected with modern surface engineering, ensuring the obtainment of coatings of high usable properties like mechanical characteristics and wear resistance. The general purpose of this work is investigation and evaluation of the obtained Ti/(Ti,Si)N/(Ti,Si)N coatings on magnesium cast alloys using electron microscope as the main investigation tool. The investigations were performed using scanning and transmission electron microscopy for the microstructure determination, also EDS microanalysis and electron diffraction was possible to obtain. While investigating the coating material, there were studied the transition zone between the coating and the substrate material as well the occurrence of some structure defects which can be present after the deposition process and could have any influence of the properties of the achieved coating. Also the structure character will be investigated for the occurrence of the nanostructure coatings, which could be seen as the solution of this issue. In the present work, the goal is set on current practices and future trends for nanocomposite thin films and coatings deposited by physical vapour deposition (PVD) technique. This investigation will touch some aspects of such coatings, but the main objective is to give a general view on features revealed using electron microscopy application in PVD coating investigations.

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Deposition of Multi-Functional Coatings by Physical Vapour Deposition

Materials Science Forum ◽

10.4028/www.scientific.net/msf.539-543.1194 ◽

2007 ◽

Vol 539-543 ◽

pp. 1194-1199 ◽

Cited By ~ 3

Author(s):

Wolfgang Tillmann ◽

Evelina Vogli ◽

Jan Nebel

Keyword(s):

Wear Resistance ◽

Corrosion Protection ◽

Friction And Wear ◽

Vapour Deposition ◽

Mechanical Tests ◽

Multilayer Coatings ◽

Physical Vapour Deposition ◽

Functional Coatings ◽

Cutting Inserts

Multifunctional coatings open new dimensions due to a combination of properties like high friction and wear resistance, electrical attributes, heat or corrosion protection in one system. In this study multifunctional coatings for in-situ temperature measurements on cutting inserts as well as multilayer coatings have been investigated. Corresponding metallurgical analyses together with mechanical tests are presented.

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TiO2–SiO2 one-dimensional photonic crystals of controlled porosity by glancing angle physical vapour deposition

Journal of Materials Chemistry ◽

10.1039/c0jm00680g ◽

2010 ◽

Vol 20 (31) ◽

pp. 6408 ◽

Cited By ~ 57

Author(s):

Lola González-García ◽

Gabriel Lozano ◽

Angel Barranco ◽

Hernán Míguez ◽

Agustín R. González-Elipe

Keyword(s):

Photonic Crystals ◽

Vapour Deposition ◽

Physical Vapour Deposition ◽

One Dimensional ◽

Glancing Angle ◽

Controlled Porosity

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Uniform aluminum deposits on large non-planar and planar polyimide substrates by physical vapour deposition

Microelectronics Journal ◽

10.1016/s0026-2692(83)80064-0 ◽

1983 ◽

Vol 14 (3) ◽

pp. 91

Keyword(s):

Vapour Deposition ◽

Physical Vapour Deposition

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Synthesis of multi-layer graphene films on silica using physical vapour deposition

Carbon ◽

10.1016/j.carbon.2017.08.014 ◽

2017 ◽

Vol 123 ◽

pp. 683-687 ◽

Cited By ~ 6

Author(s):

Daniel T. Oldfield ◽

Chi P. Huynh ◽

Stephen C. Hawkins ◽

James G. Partridge ◽

Dougal G. McCulloch

Keyword(s):

Vapour Deposition ◽

Physical Vapour Deposition ◽

Layer Graphene ◽

Graphene Films

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Characterisation of Pristine and Recoated electron beam evaporation plasma-assisted physical vapour deposition Cr–N coatings on AISI M2 steel and WC–Co substrates

Thin Solid Films ◽

10.1016/j.tsf.2005.06.029 ◽

2005 ◽

Vol 491 (1-2) ◽

pp. 177-183 ◽

Cited By ~ 7

Author(s):

J.C. Avelar-Batista ◽

E. Spain ◽

J. Housden ◽

G.G. Fuentes ◽

R. Rebolé ◽

...

Keyword(s):

Electron Beam ◽

Vapour Deposition ◽

Electron Beam Evaporation ◽

Physical Vapour Deposition

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PVD-Based Microstructuring Surface Techniques for Tribological Applications

World Tribology Congress III, Volume 2 ◽

10.1115/wtc2005-63303 ◽

2005 ◽

Author(s):

A. Alberdi ◽

M. Marin ◽

I. Etxeberria ◽

G. Alberdi

Keyword(s):

Vapour Deposition ◽

Mineral Oil ◽

Tribological Performance ◽

Physical Vapour Deposition ◽

Rectangular Grid ◽

New Techniques ◽

Surface Textures ◽

Microstructured Surfaces ◽

Set Up ◽

Ball On Disc

Combined techniques of Physical Vapour Deposition (PVD), laser ablation and UV-Photolithography have been set up to produce well defined surface textures able to increase the seizure resistance of high loaded lubricated systems. Using these new techniques, different predefined surface textures, following rectangular grid and zigzag stripped patterns have been generated. The microstructured surfaces developed have been characterised with confocal microscopy, optical and scanning electron microscopy. Ball-on-disc tribological tests under progressively increased load have been carried out using mineral oil as lubricant to determine the influence of surface microtextures on seizure resistance. The influence of shape and size of texture patterns on the tribological performance of the surface have been also studied.

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