Properties of (Cr,Al,Si)N-(DLC-Si) composite coatings deposited on a cutting ceramic substrate

Grigoriev, Sergey N.; Волосова, М. А.; Vereschaka, Alexey; Sitnikov, Nikolay; Milovich, Filipp; Bublikov, Jury; Fyodorov, Sergey; Seleznev, Anton

doi:10.1016/j.ceramint.2020.04.147

Cited by 60 publications

(63 citation statements)

References 47 publications

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“…The (Cr,Al,Si)N layer with its smoothing function plays an essential role during deposition of a DLC-Si layer with regard to the elimination of possible stress concentrators on the surface. In particular, a microdefect which appeared on the surface of the ceramic substrate as a result of conjunction of two grains is depicted in Figure 13 [68]. When the DLC-Si layer is deposited directly onto a ceramic substrate, such a microdefect can provoke cracking in the DLC-Si structure under the abovedescribed mechanism.…”

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 96%

“…The investigation of the DLC-1 coating structure using TEM reveals the presence of a wear-resistant layer in the amorphous DLC and a (Cr,Al,Si)N transition layer with the columnar structure (Figure 10a and b) [68]. In its turn, the DLC layer structure includes sublayers of DLC-Si at the border of the (Cr,Al,Si)N layer and the coating surface.…”

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

“…The investigation has also revealed that Si is present either in the form of a substitutional solid solution in the Cr-Al-N lattice, or in the form of an amorphous Si-N compound that accumulates at the grain boundaries of Cr-Al-N [27,31,32]. Figure 11 exhibits the nanostructure of the (Cr,Al,Si) N layer, characterized by the presence of various phases differing with interplanar spacings and orientations of crystal planes [68].…”

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

“…The formation of a fan-shaped network of microdroplets in the DLC layer, caused by microdroplets of (Cr,Al,Si), embedded in the structure of the DLC layer, is depicted in Figure 12 [68]. During the process of cutting with a coated tool, active fracture can occur in those areas of the DLC layer.…”

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

“…The tests were also conducted to study the dynamics of wear on the rake faces of the uncoated cutting tools made of ceramics and the tools with the DLC-1 and DLC-2 coatings. The tool with the DLC-2 coating proved to have the best resistance to the wear crater formation on the rake face (see Figure 14) [68].…”

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

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Nanostructured Multilayer Composite Coatings for Cutting Tools

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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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Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 96%

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

Section: Turning Of Aisi 52100 (Hrc 56-58) Hardened Steel With Tools mentioning

confidence: 99%

See 3 more Smart Citations

Nanostructured Multilayer Composite Coatings for Cutting Tools

Grigoriev¹,

Vereschaka²,

Волосова³

et al. 2021

Advanced Ceramic Materials

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Properties of (Cr,Al,Si)N-(DLC-Si) composite coatings deposited on a cutting ceramic substrate

Cited by 60 publications

References 47 publications

Nanostructured Multilayer Composite Coatings for Cutting Tools

Nanostructured Multilayer Composite Coatings for Cutting Tools

Evaluation and prediction of drilling wear based on machine vision

Special modifying inorganic physical vapor deposition coatings and surface systems for sustainable energy products

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