Nanostructuring and coherency strain in multicomponent hard coatings | Zendy

Rikard Forsén | Zendy; I.C. Schramm | Zendy; Per O. Å. Persson | Zendy; Frank Mücklich | Zendy; Magnus Odén | Zendy; Naureen Ghafoor | Zendy

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Nanostructuring and coherency strain in multicomponent hard coatings

Author(s) -

Rikard Forsén,

I.C. Schramm,

Per O. Å. Persson,

Frank Mücklich,

Magnus Odén,

Naureen Ghafoor

Publication year - 2014

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4901125

Subject(s) - materials science , spinodal decomposition , annealing (glass) , metastability , spinodal , microstructure , hexagonal crystal system , lattice (music) , nanometre , crystallography , condensed matter physics , phase (matter) , metallurgy , composite material , chemistry , physics , organic chemistry , quantum mechanics , acoustics

Lattice resolved and quantitative compositional characterizations of the microstructure in TiCrAlN wear resistant coatings emerging at elevated temperatures are performed to address the spinodal decomposition into nanometer-sized coherent cubic TiCr- and Al-rich domains. The domains coarsen during annealing and at 1100 ºC, the Al-rich domains include a metastable cubic Al(Cr)N phase containing 9 at.% Cr and a stable hexagonal AlN phase containing less than 1 at.% Cr. The cubic and the hexagonal phases form strained semi-coherent interfaces with each other

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