fig13

Figure 13. (A) First-principles calculated energy difference (ΔE) and work of separation (Wsep) as a function of modulation ratio (tTiAlN:tMeN) for TiAlN(001)/TiN(001) and TiAlN(001)/ZrN(001). (B) Cross-sectional TEM micrographs showing the interfacial structures in TiAlN/MeN multilayered coatings with different modulation ratios. Figure reproduced from Ref.[77] with permission from Elsevier.