In this paper, the wear of nanostructured NiAl coating was studied both experimentally and numerically. First, the nanocrystalline NiAl intermetallic powder was synthesized by mechanical alloying (MA) of aluminum and Ni powders. The coatings were deposited onto the low carbon steel substrate using high velocity oxy-fuel (HVOF) technique. Nanoindentation test was conducted to find out the mechanical properties of the coating. The dry wear tests were then performed using a pin-on-block test rig under different operating conditions. Finally, finite element (FE) method was employed to model the wear characteristics of the prepared nanostructured material. A three-dimensional (3D) FE model was created and used to simulate the pin-on-block experiments. The results show that the volume losses predicted by the numerical analysis are in good agreement with the experimental data.
Experimental and Finite Element Simulation of Wear in Nanostructured NiAl Coating
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received January 7, 2015; final manuscript received May 12, 2015; published online July 1, 2015. Assoc. Editor: Dae-Eun Kim.
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Tavoosi, H., Ziaei-Rad, S., Karimzadeh, F., and Akbarzadeh, S. (October 1, 2015). "Experimental and Finite Element Simulation of Wear in Nanostructured NiAl Coating." ASME. J. Tribol. October 2015; 137(4): 041601. https://doi.org/10.1115/1.4030683
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