The influence of process parameters on structure and abrasive wear resistance of laser clad WC-NiCrBSi coatings

Vostřák, Marek; Houdková, Šárka; Bystrianský, Martin; Česánek, Zdeněk

doi:10.1088/2053-1591/aad859

Cited by 27 publications

(12 citation statements)

References 27 publications

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“…This is in accordance with the increased Fe content in samples 5 and 6 presented in Figure 6 b. Similar behavior was observed by M. Vostřák et al In their work the highest level of dilution was reached by using fastest cladding speed [ 35 ].…”

Section: Resultssupporting

confidence: 89%

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

et al. 2021

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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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Section: Resultssupporting

confidence: 89%

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

et al. 2021

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“…More, the WC carbides have higher specific density, and because the powders contain the same weight percentage of carbide, the WC coating contains less volume percentage of carbides. Also, WC carbides have lower micro-hardness than the new (TiW)C1-x carbides [8]. These factors significantly affect the wear behavior of WC based coting, which is mainly discussed in the previous study [8].…”

Section: Resultsmentioning

confidence: 96%

“…The laser cladding process parameters were chosen as follows: powder feed rate F = 540 mg/s, process speed S = 8.3 mm/s and laser power for variant 1 P = 2400 W and for variant 2 P = 1400 W. The overlapping ratio was 50% of the single bead width. For the WC based coatinga more detailed study on influence on process parameters was presented in a previous study [8], in this study only the results for comparison are presented. The coatings were deposited onto plates of carbon steel (EN10083 2:C45) with dimensions 100 × 100 × 20 mm to ensure sufficient heat dissipation.…”

Section: Methodsmentioning

confidence: 99%

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Comparison of Mechanical properties of laser cladded WC and (TiW)C1-x in Nibased alloy coatings

Vostřák

Hajšman

Hruška

et al. 2020

METAL 2020 Conference Proeedings

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For wear demanding applications, the metal matrix composites (MMC) are often used due to their high wear resistance, and the tungsten carbide is often used as hard reinforcing particles. Nevertheless, there are still some limits of WC, mainly its deterioration due to heat load during laser cladding. Therefore, there is an effort to develop a new type of reinforcing particles with superior properties to WC. This study focus on analyzing microstructure and mechanical properties of laser cladded Ni-based coating reinforced with a new (TiW)C1-x carbide and compare it with the usual one with WC. In the new (TiW)C1-x based coating a higher amount of carbide particles remain undissolved thus providing with higher hardness and improved wear resistance.

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“…On the other hand, in the case of laser cladding, it is necessary to take into account the formation of a heat affected area to a certain depth below the surface, significant internal stresses and related deformations of the part, although compared to other welding technologies, more precise control of energy input [2]. Laser cladding is usually used for producing coating with materials such as Fe, Co, and Ni [3][4][5] based alloys or Metal matrix compositehard carbides in Co or Ni-base matrix [6][7][8]. Nevertheless, it can be possibly used to produce coating other materials, such as Tin-based alloy.…”

Section: Introductionmentioning

confidence: 99%

Laser cladding of TIN based coatings for industrial bearings application

Vostřák

Houdková

Duliškovič

et al. 2020

METAL 2020 Conference Proeedings

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The quality and friction properties of sliding surfaces in industrial bearing are fundamental to their performance. Tin-based coatings applied by centrifugal and static casting are commonly used for bearing lining. Due to limitations of this technology, alternatives for applying the tin-based lining are sought. This study focuses on one possible alternative to applying tin-based coatingslaser cladding. The influence of laser cladding processing parameters on the properties and applicability of tin-based coating is analyzed. The goal of the process optimization is to achieve high productivity with the well-bonded coating without defects. The microstructural of cladded coating as well as the adhesion properties and presented and discussed. The processing parameters which lead to coatings fulfilling manufacturer requirements are selected.

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The influence of process parameters on structure and abrasive wear resistance of laser clad WC-NiCrBSi coatings

Cited by 27 publications

References 27 publications

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

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

Comparison of Mechanical properties of laser cladded WC and (TiW)C1-x in Nibased alloy coatings

Laser cladding of TIN based coatings for industrial bearings application

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