Thin film specimens of titanium - titanium nitride multilayer erosion resistant coating were prepared using liftout technique in Focused Ion Beam - Scanning Electron Microscope (SEM). The fracture toughness of the thin film specimen was measured in situ using a cantilever bending experiment in SEM to be 11.33 MPa/m0.5, twice as much as conventional TiN coatings. Ti–TiN multi-layer coatings are part of a new class of advanced erosion resistant coatings and this paper discusses an experimental technique to measure the fracture toughness of these coatings.
- Design Engineering Division and Computers in Engineering Division
Fracture Toughness of Titanium - Titanium Nitride Multi-Layer Thin Film
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Manoharan, MP, Desai, A, & Haque, A. "Fracture Toughness of Titanium - Titanium Nitride Multi-Layer Thin Film." Proceedings of the ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 4: 20th International Conference on Design Theory and Methodology; Second International Conference on Micro- and Nanosystems. Brooklyn, New York, USA. August 3–6, 2008. pp. 539-542. ASME. https://doi.org/10.1115/DETC2008-49821
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