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Influence of high-speed arc metallization wire feed rate on tribological and corrosion properties of 30HGSA steel coatings

Bauyrzhan Rakhadilov

Bauyrzhan Rakhadilov

Sarsen Amanzholov East Kazakhstan UniversityUst-Kamenogorsk, Kazakhstan
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Rakhadilov, Bauyrzhan
, 
Aibek Shynarbek

Aibek Shynarbek

Shakarim State University of SemeySemey, Kazakhstan
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Shynarbek, Aibek
, 
Dauir Kakimzhanov

Dauir Kakimzhanov

PlasmaScience LLPUst-Kamenogorsk, Semey, Kazakhstan
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Kakimzhanov, Dauir
, 
Nazerke Muktanova

Nazerke Muktanova

PlasmaScience LLPUst-Kamenogorsk, Semey, Kazakhstan
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Muktanova, Nazerke
 e 
Rinat Kusainov

Rinat Kusainov

Shakarim State University of SemeySemey, Kazakhstan
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Kusainov, Rinat
  
31 dic 2024
Influence of high-speed arc metallization wire feed rate on tribological and corrosion properties of 30HGSA steel coatings's Cover Image
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Categoria dell'articolo: Research Article
Pubblicato online: 31 dic 2024
Pagine: 171 - 180
Ricevuto: 12 lug 2024
Accettato: 24 set 2024
DOI: https://doi.org/10.2478/msp-2024-0030
Parole chiave
© 2024 the Bauyrzhan Rakhadilov et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

(a) Technological scheme of SX-600 (1 – metallizer body; 2 – wire feeding mechanism; 3 – air supply channel; 4 – electrode wires; 5 – electric arc with sprayed wire particles; 6 – sprayed coating), (b) appearance of the gun, and (c) appearance of the supersonic EAM complex.
(a) Technological scheme of SX-600 (1 – metallizer body; 2 – wire feeding mechanism; 3 – air supply channel; 4 – electrode wires; 5 – electric arc with sprayed wire particles; 6 – sprayed coating), (b) appearance of the gun, and (c) appearance of the supersonic EAM complex.

Figure 2

Microstructure and elemental analysis of coatings: (a) No. 1, (b) No. 2, and (c) No. 3.
Microstructure and elemental analysis of coatings: (a) No. 1, (b) No. 2, and (c) No. 3.

Figure 3

Results of X-ray diffraction analysis: No. 1, No. 2, and No. 3.
Results of X-ray diffraction analysis: No. 1, No. 2, and No. 3.

Figure 4

Surface morphology and roughness measurement results of coatings: (a) No. 1, (b) No. 2, and (c) No. 3.
Surface morphology and roughness measurement results of coatings: (a) No. 1, (b) No. 2, and (c) No. 3.

Figure 5

Images of micropores obtained using ImageJ software package: (a) No. 1, (b) No. 2, and (c) No. 3.
Images of micropores obtained using ImageJ software package: (a) No. 1, (b) No. 2, and (c) No. 3.

Figure 6

Results of hardness measurement: No. 1, No. 2, and No. 3.
Results of hardness measurement: No. 1, No. 2, and No. 3.

Figure 7

Polarization curves obtained from electrochemical corrosion tests on samples. Tafel extrapolation diagram of electrochemical corrosion measurements at different quenching rates on mild steel samples. E corr: corrosion potential, i corr: corrosion current rate.
Polarization curves obtained from electrochemical corrosion tests on samples. Tafel extrapolation diagram of electrochemical corrosion measurements at different quenching rates on mild steel samples. E corr: corrosion potential, i corr: corrosion current rate.

Figure 8

Tribological test results: (a) friction coefficients and (b) wear volume.
Tribological test results: (a) friction coefficients and (b) wear volume.

Figure 9

SEM images of a worn surface: (a) No. 1, (b) No. 2, and (c) No. 3.
SEM images of a worn surface: (a) No. 1, (b) No. 2, and (c) No. 3.

Corrosion parameters of the samples_

Sample Corrosion current I к (µA/cm2) Free corrosion potential E к (V) Corrosion rate (mm/year)
Steel 45 3.3807 × 10−5 0.492 0.3966
1 3.484 × 10−5 0.43016 0.40872
2 2.1462 × 10−5 0.46569 0.25178
3 1.0961 × 10−5 0.43251 0.12859

Porosity values of the obtained coatings_

Sample Average pore size (nm) Porosity percentage (%)
No. 1 45.474 2.536
No. 2 20.028 1.776
No. 3 19.060 1.018

Chemical composition of 30HGSA grade steel_

C (%) Mn (%) Si (%) S (%) P (%) Cr (%) Ni (%)
0.25–0.35 0.8–1.2 0.8–1.2 ≤0.025 ≤0.025 0.8–1.2 ≤0.4

Regimes of 30HGSA coating application by EAM_

Sample Voltage (V) Current (A) Wire feed speed (cm/s) Compressed air pressure (atm) Spraying distance (mm) Number of samples
No. 1 100 4 8 150 3
No. 2 43 200 8 3
No. 3 300 16 3
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