2021
DOI: 10.26577/rcph.2021.v79.i4.10
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Effect of microplasma spraying parameters on the loss of sprayed Zr wire and coating porosity

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Cited by 2 publications
(5 citation statements)
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“…Based on the obtained coordinates, the profiles of metallization figures were constructed in Mathcad (PTC, Montreal, QC, Canada) software environment and the functions describing the profiles were determined for the large and small axes of the spray spot, along which the areas of metallization figures were calculated. An analysis of the profiles of zirconium metallization figures, previously described by the authors [22], showed that the profile of the metallization figures during MPS is reliably described by the Gaussian function or the normal distribution, represented in Eq. ( 2) [24]:…”
Section: Materials and Research Methodsmentioning
confidence: 90%
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“…Based on the obtained coordinates, the profiles of metallization figures were constructed in Mathcad (PTC, Montreal, QC, Canada) software environment and the functions describing the profiles were determined for the large and small axes of the spray spot, along which the areas of metallization figures were calculated. An analysis of the profiles of zirconium metallization figures, previously described by the authors [22], showed that the profile of the metallization figures during MPS is reliably described by the Gaussian function or the normal distribution, represented in Eq. ( 2) [24]:…”
Section: Materials and Research Methodsmentioning
confidence: 90%
“…The parameters of the MPS of electrically insulating and resistive coatings are given in Table 1. The choice of these parameters was based on the analysis of the results of previous studies by the authors [22] and the capabilities of the MPS-004 installation. A previous article [22] presents the results of obtaining Zr coatings with a given porosity of 20% on a Ti6Al4V titanium alloy and substantiates the choice of optimal parameters for efficient spraying of Zr coatings on a steel substrate.…”
Section: Materials and Research Methodsmentioning
confidence: 99%
“…First, the coating experiments for MPS of wire materials such as unalloyed zirconium [17,84,92] and pure titanium [14,15], as well as synthesized HA powder [15,79], were accomplished in a two-level fractional factorial design (2 4−1 ). The following parameters were chosen as variable parameters: current (I, A), plasma gas flow rate (Q, slpm), spraying distance (H, m), and wire or powder flow rate (V w , m/s or V pow , g/min).…”
Section: Thermal Plasma Spraying Of Metal-ceramic Coatingsmentioning
confidence: 99%
“…The value of these studies is mainly in obtaining and analyzing data on the characteristics of coatings from biocompatible materials and in applying one research methodology for all materials, which makes it possible to obtain and compare experimental data. MPS parameters and SEM images of zirconium coatings and splats are given in papers [17,84,92]; porosity measurement results for titanium and hydroxyapatite coatings, including SEM images of coatings and particles, are given in papers [14,15]. The regression analysis (the linear model) of the dependency of porosity (%) versus process parameters can be obtained as the regression Equation (1):…”
Section: Thermal Plasma Spraying Of Metal-ceramic Coatingsmentioning
confidence: 99%
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