DOI: 10.3139/146.101570. Spinodal decomposition of cubic Ti1−x Al x N: Comparison between experiments and modeling

Spinodal decomposition of cubic Ti1−x Al x N: Comparison between experiments and modeling

10.3139/146.101570

Crossref journal-article

Walter de Gruyter GmbH

International Journal of Materials Research (374)

Abstract

Abstract Annealing of cubic (c) Ti1−x Al x N, possessing NaCl structure, leads to decomposition into the stable constituents c-TiN and hexagonal (h) AlN (ZnS wurtzite structure) via the formation of metastable c-TiN rich and metastable c-AlN rich phases. In this paper, we describe the influence of sizes of the newly formed particles and strain energy due to their different lattice parameter and elastic constants with respect to the remaining matrix on decomposition processes and energetics. Good agreement between the enthalpy output obtained from differential scanning calorimetry and values derived from ab-initio and continuum mechanical based calculations for the decomposition and transformation processes occurring is obtained. Based on the comparison between experiments including X-ray diffraction and small-angle neutron scattering of annealed samples and modeling we can conclude that spinodal decomposition is present in c-Ti1−x Al x N coatings with x = 0.50 and 0.66, whereas the alloy with x = 0.25 is outside the spinodal.

Bibliography

Mayrhofer, P. H., Hultman, L., Schneider, J. M., Staron, P., & Clemens, H. (2007). Spinodal decomposition of cubic Ti1âx Al x N: Comparison between experiments and modeling. International Journal of Materials Research, 98(11), 1054â1059.

Authors 5

Paul H. Mayrhofer (first)
Lars Hultman (additional)
Jochen M. Schneider (additional)
Peter Staron (additional)
Helmut Clemens (additional)

References 27 Referenced 51

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Dates

Type	When
Created	17 years, 7 months ago (Jan. 10, 2008, 2:35 a.m.)
Deposited	3 months, 2 weeks ago (May 21, 2025, 4:50 p.m.)
Indexed	4 days, 15 hours ago (Aug. 31, 2025, 7:31 p.m.)
Issued	17 years, 10 months ago (Nov. 1, 2007)
Published	17 years, 10 months ago (Nov. 1, 2007)
Published Online	12 years, 3 months ago (May 23, 2013)
Published Print	17 years, 10 months ago (Nov. 1, 2007)

Funders 0

None

BibTeX

@article{Mayrhofer_2007, title={Spinodal decomposition of cubic Ti1−x Al x N: Comparison between experiments and modeling}, volume={98}, ISSN={1862-5282}, url={http://dx.doi.org/10.3139/146.101570}, DOI={10.3139/146.101570}, number={11}, journal={International Journal of Materials Research}, publisher={Walter de Gruyter GmbH}, author={Mayrhofer, Paul H. and Hultman, Lars and Schneider, Jochen M. and Staron, Peter and Clemens, Helmut}, year={2007}, month=nov, pages={1054–1059} }

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