The study on the properties of TiC x N 1−x coatings processed by cathodic arc physical vapour deposition

Ping Chuan Siow, Jaharah A Ghani, Muhammad Rizal, Talib Ria Jaafar, Mariyam Jameelah Ghazali, Che Hassan Che Haron

Research output: Contribution to journalArticle

Abstract

Titanium carbonitride (TiCN) is a popular hard coating for carbide cutting tools in various applications. The properties of TiCN are within its composition and can be controlled by maintaining the C–N ratio within the coating to a certain level. This paper studied the influence of carbon content and coating composition within TiC x N 1−x coatings with regard to their mechanical properties. The substrate used was tungsten carbide (WC-6Co), which was prepared in-house through a powder metallurgy process, while the TiC x N 1−x coatings were deposited in-house using cathodic arc physical vapour deposition (CAPVD). TiC x N 1−x coatings improved the mechanical properties of carbide inserts. An increase in carbon content within TiC x N 1−x coatings improved surface lubricity, reduced coefficient of friction, improved surface microhardness and increased Young's modulus, but reduced thermal conductivity of carbide inserts. The colour of TiC x N 1−x coatings also changed with carbon content.

Original languageEnglish
Pages (from-to)58-66
Number of pages9
JournalTribology - Materials, Surfaces and Interfaces
Volume13
Issue number1
DOIs
Publication statusPublished - 2 Jan 2019

Fingerprint

Physical vapor deposition
Coatings
Carbon
Carbon nitride
Carbides
Titanium
Carbide cutting tools
Mechanical properties
Hard coatings
Die casting inserts
Tungsten carbide
Powder metallurgy
Chemical analysis
Microhardness
Thermal conductivity
Elastic moduli
Friction
Color
Substrates

Keywords

  • cathodic arc physical vapour deposition (CAPVD)
  • Mechanical properties
  • TiCN coating

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering

Cite this

The study on the properties of TiC x N 1−x coatings processed by cathodic arc physical vapour deposition . / Siow, Ping Chuan; A Ghani, Jaharah; Rizal, Muhammad; Jaafar, Talib Ria; Ghazali, Mariyam Jameelah; Che Haron, Che Hassan.

In: Tribology - Materials, Surfaces and Interfaces, Vol. 13, No. 1, 02.01.2019, p. 58-66.

Research output: Contribution to journalArticle

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