Morphology and microstructure of hard and superhard Zr-Cu-N nanocomposite coatings

Abstract

In the present article, we compare the morphology and microstructure of hard (<40 GPa) and superhard (>40 GPa) Zr-Cu-N nanocomposite films. It is shown that the morphology strongly depends on the Cu content in the film. The film with a low (1-2 at.%) Cu content exhibits a columnar structure. In contrast, films with a higher (>5-6 at.%) Cu content have a globular structure. The hardness of films depends on both the Cu content in the film and the structure of individual phases of the nanocomposite. The nanocomposite film of type nc-/nc-exhibits higher hardness than that of type nc-/a-; here "nc-" and "a-" denote the nanocrystalline and amorphous phases, respectively. The film of type nc-ZrN/nc-Cu with a low (1-2 at.%) Cu content exhibits the highest hardness of 50 GPa.

Original language	English
Pages (from-to)	6529-6533
Number of pages	5
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	41
Issue number	11
Publication status	Published - 1 Nov 2002

Keywords

Hardness
HRTEM
Microstructure
Morphology
Zr-Cu-N nanocomposite

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Musil, J., Vlcek, J., Zeman, P., Setsuhara, Y., Miyake, S., Konuma, S., Kumagai, M., & Mitterer, C. (2002). Morphology and microstructure of hard and superhard Zr-Cu-N nanocomposite coatings. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 41(11), 6529-6533.

Morphology and microstructure of hard and superhard Zr-Cu-N nanocomposite coatings. / Musil, Jindrich; Vlcek, Jaroslav; Zeman, Petr; Setsuhara, Yuichi; Miyake, Shoji; Konuma, Seiji; Kumagai, Masao; Mitterer, Christian.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 41, No. 11, 01.11.2002, p. 6529-6533.

Research output: Contribution to journal › Article

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AU - Miyake, Shoji

AU - Konuma, Seiji

AU - Kumagai, Masao

AU - Mitterer, Christian

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N2 - In the present article, we compare the morphology and microstructure of hard (<40 GPa) and superhard (>40 GPa) Zr-Cu-N nanocomposite films. It is shown that the morphology strongly depends on the Cu content in the film. The film with a low (1-2 at.%) Cu content exhibits a columnar structure. In contrast, films with a higher (>5-6 at.%) Cu content have a globular structure. The hardness of films depends on both the Cu content in the film and the structure of individual phases of the nanocomposite. The nanocomposite film of type nc-/nc-exhibits higher hardness than that of type nc-/a-; here "nc-" and "a-" denote the nanocrystalline and amorphous phases, respectively. The film of type nc-ZrN/nc-Cu with a low (1-2 at.%) Cu content exhibits the highest hardness of 50 GPa.

AB - In the present article, we compare the morphology and microstructure of hard (<40 GPa) and superhard (>40 GPa) Zr-Cu-N nanocomposite films. It is shown that the morphology strongly depends on the Cu content in the film. The film with a low (1-2 at.%) Cu content exhibits a columnar structure. In contrast, films with a higher (>5-6 at.%) Cu content have a globular structure. The hardness of films depends on both the Cu content in the film and the structure of individual phases of the nanocomposite. The nanocomposite film of type nc-/nc-exhibits higher hardness than that of type nc-/a-; here "nc-" and "a-" denote the nanocrystalline and amorphous phases, respectively. The film of type nc-ZrN/nc-Cu with a low (1-2 at.%) Cu content exhibits the highest hardness of 50 GPa.

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