2008
DOI: 10.1016/j.surfcoat.2008.05.045
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Material transfer phenomena and failure mechanisms of a nanostructured Cr–Al–N coating in laboratory wear tests and an industrial punch tool application

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Cited by 50 publications
(24 citation statements)
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“…12b) is slightly rougher, indicating debris entrainment. This, together with the higher ratio of hardness to (reduced) elastic modulus of CrAlN (0.103) compared to TiN (0.066), may be contributory factors to the remarkable performance of the former [41,42]. Fig.…”
Section: Analysis Of Wear Tracks and Ball Surfacementioning
confidence: 98%
“…12b) is slightly rougher, indicating debris entrainment. This, together with the higher ratio of hardness to (reduced) elastic modulus of CrAlN (0.103) compared to TiN (0.066), may be contributory factors to the remarkable performance of the former [41,42]. Fig.…”
Section: Analysis Of Wear Tracks and Ball Surfacementioning
confidence: 98%
“…CrAlN have proven to be effective protective coatings for machining applications of hard-to-cut materials where elevated stress and temperature appear on the cutting tool surface or when dry operations are demanded [3][4][5][6][7][8]. The incorporation of Al to CrN promotes higher hardness, thermal and chemical stability, allowing increased efficiency of cutting and forming tools [9][10][11]. The relative concentration of Al inside the coating, Al/(Al+Cr), is tried to be fixed below 0.7 in order to form the metastable solid solution of Al inside the face-centered cubic (fcc) CrN lattice [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…Hard coatings can protect the steel surface very efficiently from physicochemical attacks and delay the formation and propagation of thermal and mechanical cracks [1]. In recent years, chromium aluminum nitride (CrAlN), a ternary nitride obtained by incorporating Al into transition binary CrN thin coatings, has been intensively investigated [2][3][4][5][6][7][8][9][10][11]. CrAlN coatings have been reported to exhibit good oxidation-resistance with no compositional and structural changes after annealing at 800 C [5] and at 900 C [8], as both the chromium and aluminum could form protective oxides which suppressed diffusion of oxygen in the bulk.…”
Section: Introductionmentioning
confidence: 99%
“…CrAlN coatings have been reported to exhibit good oxidation-resistance with no compositional and structural changes after annealing at 800 C [5] and at 900 C [8], as both the chromium and aluminum could form protective oxides which suppressed diffusion of oxygen in the bulk. In addition, CrAlN also exhibits thermal conductivity lowers than that of CrN, good tribological properties and high hardness [6,7]. Therefore, CrAlN coating is a good candidate as an alternative to conventional Vacuum CrN coatings, especially for high temperature oxidation-resistance applications.…”
Section: Introductionmentioning
confidence: 99%