Dry machining and increase of endurance of machine parts with improved doped DLC coatings on steel, ceramics and aluminium

Enke, K.

doi:10.1016/s0257-8972(99)00096-1

Cited by 26 publications

(3 citation statements)

References 1 publication

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“…This situation demanded that the cutting tools featured an outer smooth layer with anti-adhesion and lubricant effects and an inner hard layer with high wear resistance [44]. A few studies [33,[65][66][67][68][69] showed that DLC-coated tools are good candidates in machining aluminum alloys.…”

Section: Non-ferrous Metals Cutting Performancementioning

confidence: 99%

Modification Methods of Diamond like Carbon Coating and the Performance in Machining Applications: A Review

et al. 2022

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The ideal cutting-tool coating material is characterized by unique chemical and physical properties to achieve excellent cutting performance, a good thermal barrier effect, and a high-quality machined surface. Diamond-like carbon (DLC) coating, as a kind of cutting-tool coating material, has been used in cutting various materials due to its low coefficients of friction and thermal expansion, high hardness, and good chemical inert and thermal conductivity. This article mainly focuses on the modification methods for the DLC coating and their application in machining different materials. Firstly, the methods employed to improve the mechanical properties of DLC coating are reviewed and analyzed, including the multilayer structure design, transition layer, and doping other elements. Secondly, the machining performances of DLC-coated tools in the application of different materials are summarized. This review provides knowledge of modification mechanisms regarding DLC coating and its effects on mechanical properties. For machining different materials, it provides a reference to make a suitable selection and design of DLC coating to obtain better machining performance.

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Section: Non-ferrous Metals Cutting Performancementioning

confidence: 99%

Modification Methods of Diamond like Carbon Coating and the Performance in Machining Applications: A Review

et al. 2022

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“…While several studies consider the properties of DLC, deposited on a ceramic substrate, there are hardly any investigations focused on ceramic cutting tools with DLC coatings. For example, in [28,29], the studies consider the challenges of improving the performance properties of ceramic tribological pairs (sliding bearings). A significant decrease in the coefficient of friction (COF) was noted with the use of samples with DLC coatings.…”

Section: Theoretical Backgroundmentioning

confidence: 99%

Nanostructured Multilayer Composite Coatings for Cutting Tools

Grigoriev¹,

Vereschaka²,

Волосова³

et al. 2021

Advanced Ceramic Materials

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The chapter deals with the specific features concerning the application of wear-resistant coatings to improve the performance properties of ceramic cutting tools. The paper discusses the theoretical background associated with the specific operation conditions and wear of ceramic cutting tools and influencing the choice of the compositions and structures of wear-resistant coatings. The studies were focused on the application of the Ti-(Ti,Al)N-(Zr,Nb,Ti,Al)N multilayer composite coating with a nanostructured wear-resistant layer, as well as the (Cr,Al,Si)N–(DLC–Si)–DLC–(DLC–Si) and (Cr,Al,Si)N–DLC composite coatings in order to improve the cutting properties of ceramic tools. The chapter presents the results of the comparative cutting tests for the tools with the coatings under study, uncoated tools, and tools with the Ti-(Ti,Al)N commercial coating. The wear mechanisms typical for ceramic cutting tools with coatings of various compositions have been investigated.

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“…Avoiding destruction of the oxides layer on the top surface of metal is possible thanks to DLC coating. Through the 80s and 90s, industry focused on improving hardness and mechanical properties of any contact, DLC coating was focused on improving the metallic and some ceramic surfaces [10][11][12]. As mentioned in [13], DLC is well managed in aerospace and space environment under severe mechanical conditions.…”

Section: Coatings Statementsmentioning

confidence: 99%

Some Hard or Soft Coatings to Protect the Pristine Biometallic Substrates under Fretting-Corrosion Solicitations: What Should Be the Best Solution?

et al. 2020

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Under tribological conditions in aqueous medium, the contact of materials does involve some degradations of materials. Especially friction under small reciprocal displacement, i.e., fretting corrosion, is occurring; this topic has been highlighted since the 80′s regarding hip implants. Hip prosthesis is assembled from three parts: femoral stem, neck and head. Fretting corrosion or friction corrosion between metallic parts first involves some degradation of the oxides layers. This step is governed by mechanics and it is related to some few minutes. Afterwards the corrosion occurrs enhanced by mechanical degradation. As well focused some oxides and some metallic ions are related to biocompatibility issues. Some strategies are available in order to avoid metal against metal friction and/or fretting. Some hard coatings and some smooth coatings were investigated. The first one is diamond-like carbon (DLC), and the second is a polyetheretherketone (PEEK), polymeric one. The investigations were focused on fretting corrosion solicitations of Ti-6Al-4V vs. Ti-6Al-4V + coating. DLC as a coating delays the corrosion degradation. The PEEK coating does not promote any corrosion degradation of the metallic counter part and more generally any wear.

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Dry machining and increase of endurance of machine parts with improved doped DLC coatings on steel, ceramics and aluminium

Cited by 26 publications

References 1 publication

Modification Methods of Diamond like Carbon Coating and the Performance in Machining Applications: A Review

Modification Methods of Diamond like Carbon Coating and the Performance in Machining Applications: A Review

Nanostructured Multilayer Composite Coatings for Cutting Tools

Some Hard or Soft Coatings to Protect the Pristine Biometallic Substrates under Fretting-Corrosion Solicitations: What Should Be the Best Solution?

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