Effect of substrate surface preparation on cold sprayed Al-Zn-Al2O3 composite coating properties
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Ayça Demirer Kahraman
Abstract
In this study, a powder mixture containing Al-Zn and Al2O3 particles on AA6083 aluminum alloy was coated by the cold spray method. In order to investigate the effect of the substrate surface properties on the composite coating structure obtained by the cold spray process, the substrate surface was prepared by grit blasting and shot peening. It was found that Al and Zn particles in the coatings of all samples flattened near the substrate surface regions due to the deformation effect. But, Zn particles, because of their low hardness in contrast to the shot peened surface fragmented near the material surface regions through the impact. Similarly, the size of the Al2O3 particles decreased incrementally from the coated surface to the substrate. Particularly in the shot peened samples, the size of the Al2O3 particles decreased by striking the hard substrate surface and fracturing more. Moreover, the amount of Al2O3 particles in the substrate surface of all samples was lower as the particles rebounded. It was also found that pore formation in the coating layer of all samples was very limited. Pore formation in the shot peened samples was by contrast lower than in the grit blasted samples. In addition, a very low oxide layer was found between the particles in the upper region of both the grit blasted and shot peened samples' coating layer.
References
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© 2019, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Effects of pre- and post-weld heat treatment conditions on microstructures of cast nickel based superalloys GTD-111 in the laser welding process
- Evaluation of the low-cycle fatigue strength of Sn3.0Ag0.5Cu solder at 313 and 353 K using a small specimen
- The Harris hawks, grasshopper and multi-verse optimization algorithms for the selection of optimal machining parameters in manufacturing operations
- A new hybrid Harris hawks-Nelder-Mead optimization algorithm for solving design and manufacturing problems
- The Harris hawks optimization algorithm, salp swarm algorithm, grasshopper optimization algorithm and dragonfly algorithm for structural design optimization of vehicle components
- Axial crushing behavior of circular aluminum tubes
- Effect of substrate surface preparation on cold sprayed Al-Zn-Al2O3 composite coating properties
- Top-down approach for the estimation of measurement uncertainty based on quality control data and grey system theory
- Hoop tensile and compression behavior of glass-carbon intraply hybrid fiber reinforced filament wound composite pipes
- Non-linear modeling of mechanical properties of plasma arc welded Inconel 617 plates
- Wear testing of in situ cast AA8011-TiB2 metal matrix composites
- Microstructure, mechanical properties and ELM based wear loss prediction of plasma sprayed ZrO2-MgO coatings on a magnesium alloy
- Energy consumption model for the pipe threading process using 10 wt.-% Cu and 316L stainless steel powder-reinforced aluminum 6061 fittings
- Effect of matrix material and orientation angle on tensile and tribological behavior of jute reinforced composites
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Effects of pre- and post-weld heat treatment conditions on microstructures of cast nickel based superalloys GTD-111 in the laser welding process
- Evaluation of the low-cycle fatigue strength of Sn3.0Ag0.5Cu solder at 313 and 353 K using a small specimen
- The Harris hawks, grasshopper and multi-verse optimization algorithms for the selection of optimal machining parameters in manufacturing operations
- A new hybrid Harris hawks-Nelder-Mead optimization algorithm for solving design and manufacturing problems
- The Harris hawks optimization algorithm, salp swarm algorithm, grasshopper optimization algorithm and dragonfly algorithm for structural design optimization of vehicle components
- Axial crushing behavior of circular aluminum tubes
- Effect of substrate surface preparation on cold sprayed Al-Zn-Al2O3 composite coating properties
- Top-down approach for the estimation of measurement uncertainty based on quality control data and grey system theory
- Hoop tensile and compression behavior of glass-carbon intraply hybrid fiber reinforced filament wound composite pipes
- Non-linear modeling of mechanical properties of plasma arc welded Inconel 617 plates
- Wear testing of in situ cast AA8011-TiB2 metal matrix composites
- Microstructure, mechanical properties and ELM based wear loss prediction of plasma sprayed ZrO2-MgO coatings on a magnesium alloy
- Energy consumption model for the pipe threading process using 10 wt.-% Cu and 316L stainless steel powder-reinforced aluminum 6061 fittings
- Effect of matrix material and orientation angle on tensile and tribological behavior of jute reinforced composites