Volume 14, Issue 12 (2015)                   Modares Mechanical Engineering 2015, 14(12): 61-66 | Back to browse issues page

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Abdolahzadeh A, Elmkhah H, Mahboubi F, Sabor Rohaghdam A, Ho Kim K. Qualitative Evaluation of Mechanical Properties of TiAlN Nanostructured Coatings Deposited on Cutting Tools by Analysis of XRD Results. Modares Mechanical Engineering. 2015; 14 (12) :61-66
URL: http://mme.modares.ac.ir/article-15-2076-en.html
1- Tarbiat Modares University
Abstract:   (3803 Views)
The purpose of this paper is a qualitative evaluation of the mechanical properties of titanium aluminum nitride (TiAlN) hard nanostructured coatings applied on cutting tools using X-ray diffraction (XRD). Deposition of TiAlN and TiN nanostructured coatings were carried out by a pulse DC plasma-assisted vapor deposition (DC-PACVD) and a high power impulse magnetron sputtering (HIPIMS) machines. At first, for enhancement the adhesion of TiAlN nanostructured coating on the steel substrate, TiN inter-layer was deposited for the all samples. Nano-indentation, micro-hardness tester, and field emission scanning electron microscope (FE-SEM) were used in order to measured and compare the qualitative results with the real and experimental values. The results indicate that XRD pattern and their analysis can be a suitable qualitative method to evaluate the mechanical properties of the coatings. The lattice parameter, micro-strain, residual stress, texture coefficient, the crystal grain size and density of dislocation are used to demonstrate the relationship between the mechanical properties of the coatings and the XRD patterns. As a result, this method can be used as non-destructive and inexpensive method for quantitative comparison and evaluation of mechanical properties of thin film materials.
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Article Type: Research Article | Subject: Non Destvuctive Test|Stress Analysis|Micro & Nano Systems|Characterization, Analysis & Selection of Materials
Received: 2013/12/5 | Accepted: 2014/09/30 | Published: 2014/10/1

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