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Cited by 49Surface Treatment and CoatingsMetal Alloys Wear and PropertiesAdditive Manufacturing Materials and Processes

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Influence of the Laser Cladding Parameters on the Morphology, Wear and Corrosion Resistance of WC-Co/NiCrBSi Composite Coatings

Open access
Hulka, Iosif, Uțu, Ion D., Avram, Diana, Dan, Mircea L., Pascu, Alexandru, Stanciu, Elena M., Roată, Ionuț C.·2021·Materials
DOI 10.3390/ma14195583PMC PMC8509274
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Abstract

To enhance the sliding wear and corrosion behavior of steels with low carbon content, cermet composite coatings are usually deposited on their surface by various deposition processes. Laser cladding, compared to other deposition techniques such as electroplating, arc welding, and thermal spraying, has numerous advantages to produce such protective coatings. The paper presents the optimization of laser cladding deposition speed versus energy density in order to obtain WC-Co/NiCrBSi coatings with Ni-Al addition free of defects and reduced porosity deposited on low carbon steel substrate. The microstructure and chemical composition were investigated by SEM combined with EDX analysis while XRD was performed in order to examinate the phases within the coatings. In order to investigate the cladding speed influence on the coatings, hardness measurements, POD (pin on disk) wear tests and corrosion tests in 3.5% NaCl solution were carried out. The results showed that an optimal cladding speed has a crucial impact on the microstructure, composition, and hardness. It was found out that optimizing the cladding deposition speed proved to be effective in enhancing the sliding wear resistance and corrosion behavior by controlling the iron content within the coatings.

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Registry

Crossref · 10.3390/ma14195583

Cites

36 of 36 references verified0 citation errors · 0 not checkable

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Figures

Figure 1 Back scattered electron micrograph of Metco 439 NS powder (a,b), powder cross-section (c) and EDX microanalysis (d).
Figure 1 Back scattered electron micrograph of Metco 439 NS powder (a,b), powder cross-section (c) and EDX microanalysis (d).CC BY · PubMed Central
Figure 2 Back scattered electron micrograph of a laser cladded single track indicating the main geometrical dimensions.
Figure 2 Back scattered electron micrograph of a laser cladded single track indicating the main geometrical dimensions.CC BY · PubMed Central
Figure 3 Back scattered electron micrographs of laser cladded WC-Co/NiCrBSi coatings indicating the morphology and thickness of coatings. Sample 1 (a), Sample 2 (b), Sample 3 (c), Sample 4 (d)and Sample 5 (e).
Figure 3 Back scattered electron micrographs of laser cladded WC-Co/NiCrBSi coatings indicating the morphology and thickness of coatings. Sample 1 (a), Sample 2 (b), Sample 3 (c), Sample 4 (d)and Sample 5 (e).CC BY · PubMed Central
Figure 4 Back scattered electron micrograph of WC-Co/NiCrBSi coating (a) and EDX analysis (b).
Figure 4 Back scattered electron micrograph of WC-Co/NiCrBSi coating (a) and EDX analysis (b).CC BY · PubMed Central
Figure 5 XRD patterns of the WC-Co/NiCrBSi coating and powder.
Figure 5 XRD patterns of the WC-Co/NiCrBSi coating and powder.CC BY · PubMed Central
Figure 6 Microhardness measurements from top of the coating to the substrate (a) and Fe wt % content from top of the coatings to the substrate (b).
Figure 6 Microhardness measurements from top of the coating to the substrate (a) and Fe wt % content from top of the coatings to the substrate (b).CC BY · PubMed Central
Figure 7 CoF evolution in time.
Figure 7 CoF evolution in time.CC BY · PubMed Central
Figure 8 Back scattered electron micrograph of WC-Co/NiCrBSi wear scars after POD test (a); micro-ploughing–abrasive grooves (1), tribo-oxidation–migration of debris (b) along the surface (2), and EDX (c) spectra of debris agglomeration.
Figure 8 Back scattered electron micrograph of WC-Co/NiCrBSi wear scars after POD test (a); micro-ploughing–abrasive grooves (1), tribo-oxidation–migration of debris (b) along the surface (2), and EDX (c) spectra of debris agglomeration.CC BY · PubMed Central
Figure 9 Potentiodynamic polarization curves for laser cladded NiCrBSi coatings in 3.5% NaCl solution at 22 °C.
Figure 9 Potentiodynamic polarization curves for laser cladded NiCrBSi coatings in 3.5% NaCl solution at 22 °C.CC BY · PubMed Central

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Citations

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Research works printed but not linked: 1

  1. Staicu, 2013, Laser cladding of Ni based CW composite powder, Metal. Int., 6, 147

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Metadata

Authors
Hulka, I., Uțu, I. D., Avram, D., Dan, M. L., Pascu, A., Stanciu, E. M., & Roată, I. C.
Affiliations
  • Politehnica University of Timisoara (RO)
  • Transilvania University of Brașov (RO)
  • Materials Engineering and Welding Department, Transilvania University of Braşov, Eroilor Blvd., 29, 500036 Braşov, Romania
Corresponding author
Pascu, Alexandru
ORCID
Venue
Materials
Publisher
MDPI AG
Published
2021-09-26
Volume
14
Issue
19
Pages
5583
ISSN
1996-1944 (ISSN-L)
DOI
10.3390/ma14195583
PMC
PMC8509274
OpenAlex
W3201891501
Cited by
49
References
36
Citations by year
2026: 6 · 2025: 17 · 2024: 10 · 2023: 8 · 2022: 8
FWCI
2.78
Type
journal article
Language
en
Open access
Licence
Locations
  • Materials (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Surface Treatment and Coatings
  • Physical Sciences › Materials Science › Metals and Alloys › Metal Alloys Wear and Properties
  • Physical Sciences › Engineering › Mechanical Engineering › Additive Manufacturing Materials and Processes
Keywords
laser cladding, cermet coatings, low carbon steel substrate, deposition velocity, laser fluence, coating porosity, coating microstructure, hardness, sliding wear resistance, corrosion resistance, NaCl solution corrosion, protective coatings

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