Synthesis of Ti2AlC & Ti3AlC2 MAX phases by Arc-PVD using Ti–Al target in C2H2/Ar gas mixture and subsequent annealing

Zahra Mahmoudi, Seyed Hadi Tabaian, Hamid Reza Rezaie, Farzad Mahboubi, Mariyam Jameelah Ghazali

Research output: Contribution to journalArticle

Abstract

MAX phases are appropriate protective coatings due to their unique properties such as excellent corrosion resistance. In this study, Ti–Al–C coatings with different percentages of Ti, Al and C were deposited on stainless steel and quartz glass substrates by Arc-PVD using two different Ti–Al alloy targets with (1:1) and (1:2) atomic ratios in C2H2/Ar atmosphere with various ratios (1/10, 1/4, 1/2). Then, the coated substrates were annealed in a vacuum furnace at different temperatures between 600 and 1000 °C. The results of XRD analysis indicated that Ti2AlC MAX phase is generated from 1Ti–2Al target, while Ti2AlC and Ti3AlC2 MAX phases are produced from 1Ti–1Al target by annealing at temperatures above 800 °C. Based on the results of this study, the best C2H2/Ar ratio in the Arc-PVD atmosphere for the synthesis of MAX phases was 1/4. Raman spectroscopy and XPS confirmed the presence of the MAX phases in the coatings. EDS analysis showed that the overall compositions occur within the regions in the ternary phase diagram in which the MAX phases are stable.

Original languageEnglish
JournalCeramics International
DOIs
Publication statusAccepted/In press - 1 Jan 2019

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Physical vapor deposition
Gas mixtures
Annealing
Vacuum furnaces
Coatings
Quartz
Stainless Steel
Protective coatings
Substrates
Phase diagrams
Corrosion resistance
Raman spectroscopy
Energy dispersive spectroscopy
Stainless steel
X ray photoelectron spectroscopy
Glass
Temperature
Chemical analysis

Keywords

  • Annealing
  • Arc-PVD
  • Coating
  • MAX phases
  • TiAlC
  • TiAlC
  • Ti–Al–C
  • Vacuum

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Synthesis of Ti2AlC & Ti3AlC2 MAX phases by Arc-PVD using Ti–Al target in C2H2/Ar gas mixture and subsequent annealing. / Mahmoudi, Zahra; Tabaian, Seyed Hadi; Rezaie, Hamid Reza; Mahboubi, Farzad; Ghazali, Mariyam Jameelah.

In: Ceramics International, 01.01.2019.

Research output: Contribution to journalArticle

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abstract = "MAX phases are appropriate protective coatings due to their unique properties such as excellent corrosion resistance. In this study, Ti–Al–C coatings with different percentages of Ti, Al and C were deposited on stainless steel and quartz glass substrates by Arc-PVD using two different Ti–Al alloy targets with (1:1) and (1:2) atomic ratios in C2H2/Ar atmosphere with various ratios (1/10, 1/4, 1/2). Then, the coated substrates were annealed in a vacuum furnace at different temperatures between 600 and 1000 °C. The results of XRD analysis indicated that Ti2AlC MAX phase is generated from 1Ti–2Al target, while Ti2AlC and Ti3AlC2 MAX phases are produced from 1Ti–1Al target by annealing at temperatures above 800 °C. Based on the results of this study, the best C2H2/Ar ratio in the Arc-PVD atmosphere for the synthesis of MAX phases was 1/4. Raman spectroscopy and XPS confirmed the presence of the MAX phases in the coatings. EDS analysis showed that the overall compositions occur within the regions in the ternary phase diagram in which the MAX phases are stable.",
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AU - Rezaie, Hamid Reza

AU - Mahboubi, Farzad

AU - Ghazali, Mariyam Jameelah

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