Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr0.35Ti0.40Al0.25)N Coating for Metal Cutting Tools

This paper deals with the Cr-CrN-(Cr0.35Ti0.40Al0.25)N coating. It has a three-layered architecture with a nano-structured wear-resistant layer. The studies involved the investigation into the microstructure (with the use of SEM an...

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Main Authors:	Sergey Grigoriev, Alexey Vereschaka, Alexander Metel, Nikolay Sitnikov, Filipp Milovich, Nikolay Andreev, Svetlana Shevchenko, Yulia Rozhkova
Format:	Article
Language:	English
Published:	MDPI AG 2018-12-01
Series:	Coatings
Subjects:	filtered cathodic vacuum arc deposition (FCVAD) coatings tool life thermostability nanostructured coatings
Online Access:	https://www.mdpi.com/2079-6412/8/12/447

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spelling	doaj-ee25e95cbbe64012ab7a69ed7d9323af2020-11-25T00:56:46ZengMDPI AGCoatings2079-64122018-12-0181244710.3390/coatings8120447coatings8120447Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting ToolsSergey Grigoriev0Alexey Vereschaka1Alexander Metel2Nikolay Sitnikov3Filipp Milovich4Nikolay Andreev5Svetlana Shevchenko6Yulia Rozhkova7Department of High-Efficiency Processing Technologies, Moscow State Technological University STANKIN, 127055 Moscow, RussiaDepartment of Mechanical Engineering, Moscow State Technological University STANKIN, 127055 Moscow, RussiaDepartment of High-Efficiency Processing Technologies, Moscow State Technological University STANKIN, 127055 Moscow, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI, 115409 Moscow, RussiaMaterials Science and Metallurgy Shared Use Research and Development Center, National University of Science and Technology MISIS, 119049 Moscow, RussiaMaterials Science and Metallurgy Shared Use Research and Development Center, National University of Science and Technology MISIS, 119049 Moscow, RussiaMaterial Properties Research Laboratory, Moscow State Technological University STANKIN, 127055 Moscow, RussiaMaterial Properties Research Laboratory, Moscow State Technological University STANKIN, 127055 Moscow, RussiaThis paper deals with the Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N coating. It has a three-layered architecture with a nano-structured wear-resistant layer. The studies involved the investigation into the microstructure (with the use of SEM and TEM), elemental and phase composition (XRD and SAED patterns), wear process pattern in scratch testing, crystal structure, as well as the microhardness of the coating. Cutting tests of tools with the above coating were carried out in dry turning of steel 1045 at cutting speeds of <i>v</i><sub>c</sub> = 200, 250, and 300 m·min<sup>−1</sup>. The comparison included uncoated tools and tools with the commercial TiN and (Ti,Al)N coatings with the same thickness. The tool with the Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N coating showed the longest tool life at all the cutting speeds under consideration. Meanwhile, a tool with the coating under study can be recommended for use in turning constructional steel at the cutting speed of <i>v</i><sub>c</sub> = 250 m·min<sup>−1</sup>. At this cutting speed, a tool shows the combination of a rather long tool life and balanced wear process, without any threat of catastrophic wear.https://www.mdpi.com/2079-6412/8/12/447filtered cathodic vacuum arc deposition (FCVAD) coatingstool lifethermostabilitynanostructured coatings
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Sergey Grigoriev Alexey Vereschaka Alexander Metel Nikolay Sitnikov Filipp Milovich Nikolay Andreev Svetlana Shevchenko Yulia Rozhkova
spellingShingle	Sergey Grigoriev Alexey Vereschaka Alexander Metel Nikolay Sitnikov Filipp Milovich Nikolay Andreev Svetlana Shevchenko Yulia Rozhkova Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools Coatings filtered cathodic vacuum arc deposition (FCVAD) coatings tool life thermostability nanostructured coatings
author_facet	Sergey Grigoriev Alexey Vereschaka Alexander Metel Nikolay Sitnikov Filipp Milovich Nikolay Andreev Svetlana Shevchenko Yulia Rozhkova
author_sort	Sergey Grigoriev
title	Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools
title_short	Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools
title_full	Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools
title_fullStr	Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools
title_full_unstemmed	Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools
title_sort	investigation into performance of multilayer composite nano-structured cr-crn-(cr<sub>0.35</sub>ti<sub>0.40</sub>al<sub>0.25</sub>)n coating for metal cutting tools
publisher	MDPI AG
series	Coatings
issn	2079-6412
publishDate	2018-12-01
description	This paper deals with the Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N coating. It has a three-layered architecture with a nano-structured wear-resistant layer. The studies involved the investigation into the microstructure (with the use of SEM and TEM), elemental and phase composition (XRD and SAED patterns), wear process pattern in scratch testing, crystal structure, as well as the microhardness of the coating. Cutting tests of tools with the above coating were carried out in dry turning of steel 1045 at cutting speeds of <i>v</i><sub>c</sub> = 200, 250, and 300 m·min<sup>−1</sup>. The comparison included uncoated tools and tools with the commercial TiN and (Ti,Al)N coatings with the same thickness. The tool with the Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N coating showed the longest tool life at all the cutting speeds under consideration. Meanwhile, a tool with the coating under study can be recommended for use in turning constructional steel at the cutting speed of <i>v</i><sub>c</sub> = 250 m·min<sup>−1</sup>. At this cutting speed, a tool shows the combination of a rather long tool life and balanced wear process, without any threat of catastrophic wear.
topic	filtered cathodic vacuum arc deposition (FCVAD) coatings tool life thermostability nanostructured coatings
url	https://www.mdpi.com/2079-6412/8/12/447
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Investigation into Performance of Multilayer Composite Nano-Structured Cr-CrN-(Cr<sub>0.35</sub>Ti<sub>0.40</sub>Al<sub>0.25</sub>)N Coating for Metal Cutting Tools

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