Journal
SCRIPTA MATERIALIA
Volume 62, Issue 6, Pages 349-352Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.10.040
Keywords
Ab initio electron theory; Metastable phases; Coatings; Residual stresses; Nitrides
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Funding
- Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [Y 371] Funding Source: researchfish
- Austrian Science Fund (FWF) [Y371] Funding Source: Austrian Science Fund (FWF)
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Ab initio calculations are employed to demonstrate it strong pressure dependence of the maximum AlN mole fraction preserving the cubic phase in Ti(1-x)Al(x)N and Cr(1-x)Al(x)N hard coatings before transforming to the wurtzite structure Under it compression of 4 GPa all increase by similar to 0 1 AlN mole fraction is obtained For both systems Consequently, stress-related effects cannot be neglected in the discussion of the wide spread of experimentally obtained stability ranges (C) 2009 Acta Materialia Inc Published by Elsevier Ltd All rights reserved
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