Pressure-dependent stability of cubic and wurtzite phases within the TiN-AlN and CrN-AlN systems

被引：71
作者：
Holec, David [1 ]
Rovere, Florian [1 ]
Mayrhofer, Paul H. [1 ]
Barna, Peter B. [2 ]
机构：
[1] Univ Leoben, Dept Phys Met & Mat Testing, A-8700 Leoben, Austria
[2] Hungarian Acad Sci, Res Inst Tech Phys & Mat Sci, H-1525 Budapest, Hungary
来源：
SCRIPTA MATERIALIA | 2010年 / 62卷 / 06期
基金：
奥地利科学基金会;
关键词：
Ab initio electron theory; Metastable phases; Coatings; Residual stresses; Nitrides; AB-INITIO; ALUMINUM NITRIDE; HARD COATINGS; THIN-FILMS; TI1-XALXN; DEPOSITION; POLYCRYSTALLINE; TRANSITIONS; CR-1-XALXN; TITANIUM;
D O I：
10.1016/j.scriptamat.2009.10.040
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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
引用
收藏
页码：349 / 352
页数：4
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