Effect of Gas Pressure and Temperature on Stereometric Properties of Al+Al2O3 Composite Coatings Deposited by LPCS Method

Winnicki, Marcin; Piwowarczyk, Tomasz; Małachowska, Aleksandra; Ambroziak, Andrzej

doi:10.2478/amm-2014-0149

Cited by 10 publications

(10 citation statements)

References 21 publications

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“…The tendency to increase the adhesion and cohesion strength with an increase in the temperature of the gas at the nozzle inlet during cold spraying is also confirmed in the works of many researchers [51][52][53][54].…”

Section: Effect Of Investigated Process Parameters On Responsesmentioning

confidence: 56%

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al₂O₃ coatings

Shorinov,

Dolmatov,

Polyviany

et al. 2023

Mater. Res. Express

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The paper considers the conducted study of the complex effect of low-pressure cold spraying parameters, namely the nozzle inlet temperature, stand-off distance, and powder feed rate on the adhesion and deposition efficiency of coatings from a Ni+Al2O3 powder on VT3-1 titanium alloy substrate. Based on predetermined information, the main levels and intervals of factor variation were selected. The dependence of the adhesion and deposition efficiency on the selected variables was approximated by a second-order polynomial. In accordance with the developed matrix of the experiment (central compositional design), a coating of the studied powder was deposited. The average value of these parameters was determined using standard methods for studying the adhesion strength (ASTM C603) and the deposition efficiency for thermal spray coatings. Based on the results of experimental data, regression equations were obtained for adhesion and deposition efficiency. For the purpose of checking the adequacy of the model, an analysis of variance was performed. It was confirmed that the obtained empirical dependences can be used to predict the adhesion and deposition efficiency of cold spraying of coatings from a Ni+Al2O3 powder on VT3-1 titanium alloy in the specified ranges of values of spraying parameters. Multi-factor optimization of the spraying parameters in order to obtain maximum values of adhesion strength and deposition efficiency was performed using the response surface methodology in the Stat-Ease 360 software. Three-dimensional and contour graphs of the dependence of the adhesion and deposition efficiency on the studied parameters were developed from the obtained empirical models. The optimal combination of parameters of low-pressure cold spraying, which ensures the maximum adhesion (34.78 MPa) and deposition efficiency (29.46%) of the Ni+Al2O3 coating mixture, is the nozzle inlet temperature—537 °C, stand-off distance—11 mm, and powder feed rate—0.6 g s−1.

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Section: Effect Of Investigated Process Parameters On Responsesmentioning

confidence: 56%

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al₂O₃ coatings

Shorinov,

Dolmatov,

Polyviany

et al. 2023

Mater. Res. Express

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“…This phenomenon occurred mainly because the particle velocity increased with the increase in temperature. Erosion occurred when the particle velocity exceeded the critical velocity, resulting in a relatively thin coating thickness [ 22 , 24 , 25 ].…”

Section: Results and Analysismentioning

confidence: 99%

Effect of Process Parameters on Properties of Cold-Sprayed Zn–Al Composite Coatings

et al. 2022

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Al–Zn composite coating can provide effective cathodic protection for E235 steel. This study aims to obtain the Al–Zn composite coating with the best anti-corrosion performance by optimizing the spraying temperature, spraying distance and powder-feeding motor speed. The Al and Zn powders were analyzed by scanning electron microscope (SEM), and the microstructure of the coatings prepared by different process parameters was observed by optical microscope. The mechanical and anticorrosive properties of the coating were evaluated using hardness, porosity, thickness and electrochemical tests. According to the experimental results, when the spraying temperature, spraying distance and powder-feeding motor speed were 500 °C, 27 mm and 1.5 r/min, respectively, the hardness of the coating was 67 HV, the porosity was 0.57% and the thickness was 0.588 mm. The EIS test results show that the coating has the maximum polarization resistance, and therefore the coating has good corrosion resistance at this parameter.

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“…Further, this enables the particles to attain high velocities before leaving the nozzle [95]. Thus, an increase in process gas pressure gives a high energy impact of particles on the substrate.…”

Section: Gas Pressurementioning

confidence: 99%

“…An increase in pressure of the process gas increases the rate of acceleration of the particles in the nozzle. Further, this enables the particles to attain high velocities before leaving the nozzle [95]. Thus, an increase in process gas pressure gives a high energy impact of particles on the substrate.…”

Section: Influence Of Processing Conditions On the Properties Of Cold...mentioning

confidence: 99%

Influence of processing conditions on the mechanical, tribological and fatigue performance of cold spray coating: a review

Kumar

2022

Surface Engineering

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Cold spray is an emerging surface coating technology for rapidly developing thick coating, thin films and additive manufacturing of parts at relatively low temperatures. The low cost and scalability of a cold spray method make it promising for diverse industrial applications. Presently, the cold spray coating is widely used for the production of machine parts, materials and tools that requires the desired surface properties. However, the consideration of process parameters setting develops a reliable coating having high mechanical, tribological, fatigue and morphological properties for demanding coating applications. Hence, the aim of this paper is to study the effect of processing conditions (pressure and temperature of propellant gas, powder particle morphology and post-process treatments) on the tribological and mechanical properties of cold-sprayed coatings. Further, the effect of microstructure and processing conditions on the fatigue and static characteristics of cold spray material is also discussed.

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Effect of Gas Pressure and Temperature on Stereometric Properties of Al+Al2O3 Composite Coatings Deposited by LPCS Method

Cited by 10 publications

References 21 publications

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al₂O₃ coatings

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al₂O₃ coatings

Effect of Process Parameters on Properties of Cold-Sprayed Zn–Al Composite Coatings

Influence of processing conditions on the mechanical, tribological and fatigue performance of cold spray coating: a review

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Effect of Gas Pressure and Temperature on Stereometric Properties of Al+Al2O3 Composite Coatings Deposited by LPCS Method

Cited by 10 publications

References 21 publications

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al2O3 coatings

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al2O3 coatings

Effect of Process Parameters on Properties of Cold-Sprayed Zn–Al Composite Coatings

Influence of processing conditions on the mechanical, tribological and fatigue performance of cold spray coating: a review

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Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al₂O₃ coatings

Optimization of cold spray process parameters to maximize adhesion and deposition efficiency of Ni+Al₂O₃ coatings