Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4867017
Keywords
-
Categories
Funding
- A*STAR, Singapore
- Engineering and Physical Sciences Research Council (EPSRC)
- Rolls-Royce Strategic Partnership Structural Metallic Systems for Advanced Gas Turbine Applications [EP/H500375/1]
- EPSRC [EP/H500375/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H500375/1] Funding Source: researchfish
Ask authors/readers for more resources
The deformation and failure mechanisms of CrAlN/Si3N4 coatings containing grains a few nanometres in size have been compared with those of conventional CrN-based coatings. It is shown that the addition of amorphous Si3N4 phase increased the yield stress and hardness of the coating material, but did not change their ratio. This is consistent with theoretical predictions using existing models. However, cracking in conventional CrN-based coatings was catastrophic, whereas that in the fine-grained CrAlN/Si3N4 structure was much more benign, suggesting that the improved performance of these materials is associated with their fracture behaviours. (C) 2014 AIP Publishing LLC.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available