Deposition of CVD-TiCN and TiAlN coatings guided with thermodynamic calculations

Liye Du, Shaoqing Wang, Yong Du, Lianchang Qiu, Zhuo Chen, Xiangming Chen, Zi-kui Liu, Cong Zhang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The chemical vapor deposition (CVD) of TiCN and TiAlN coatings was investigated through thermodynamics calculations and key experiments. Based on the established CVD phase diagrams, TiCN coating was prepared by the low-pressure CVD method. It was found that the measured atomic fractions of C, N and Ti in the TiCN coating agree reasonably with the calculation results. For the TiAlN coating, CVD phase diagrams suggest that the deposition temperature and the ratio of AlCl3 to NH3 could remarkably affect the Al content in the coating. The present work leads to a better agreement with the experimental data than the previous calculations for Al content in the TiAlN coating. It is expected that the current work is of interest for further experimental investigations on CVD hard coatings.

Original languageEnglish (US)
Pages (from-to)277-283
Number of pages7
JournalZeitschrift fuer Metallkunde/Materials Research and Advanced Techniques
Volume109
Issue number4
DOIs
StatePublished - Apr 1 2018

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Chemical vapor deposition
vapor deposition
Thermodynamics
coatings
Coatings
thermodynamics
Phase diagrams
Low pressure chemical vapor deposition
phase diagrams
Hard coatings
temperature ratio
low pressure
Experiments
Temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

Cite this

Du, Liye ; Wang, Shaoqing ; Du, Yong ; Qiu, Lianchang ; Chen, Zhuo ; Chen, Xiangming ; Liu, Zi-kui ; Zhang, Cong. / Deposition of CVD-TiCN and TiAlN coatings guided with thermodynamic calculations. In: Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques. 2018 ; Vol. 109, No. 4. pp. 277-283.
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Deposition of CVD-TiCN and TiAlN coatings guided with thermodynamic calculations. / Du, Liye; Wang, Shaoqing; Du, Yong; Qiu, Lianchang; Chen, Zhuo; Chen, Xiangming; Liu, Zi-kui; Zhang, Cong.

In: Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques, Vol. 109, No. 4, 01.04.2018, p. 277-283.

Research output: Contribution to journalArticle

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AU - Du, Liye

AU - Wang, Shaoqing

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AU - Qiu, Lianchang

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AU - Chen, Xiangming

AU - Liu, Zi-kui

AU - Zhang, Cong

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AB - The chemical vapor deposition (CVD) of TiCN and TiAlN coatings was investigated through thermodynamics calculations and key experiments. Based on the established CVD phase diagrams, TiCN coating was prepared by the low-pressure CVD method. It was found that the measured atomic fractions of C, N and Ti in the TiCN coating agree reasonably with the calculation results. For the TiAlN coating, CVD phase diagrams suggest that the deposition temperature and the ratio of AlCl3 to NH3 could remarkably affect the Al content in the coating. The present work leads to a better agreement with the experimental data than the previous calculations for Al content in the TiAlN coating. It is expected that the current work is of interest for further experimental investigations on CVD hard coatings.

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