Assessment of internal defects of hardfacing coatings in regeneration of machine parts

Jóźwik, Jerzy; Dziedzic, Krzysztof; Usydus, Ireneusz; Ostrowski, Dawid; Królczyk, Grzegorz M.

doi:10.1007/s11771-018-3813-9

Cited by 9 publications

(7 citation statements)

References 16 publications

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“…Currently, the computer microtomography method is used to assess the welding defects, both qualitative and quantitative. This enables to identify and assess the impact of the defects arising during hardfacing on the usability of coatings [20].…”

Section: Introductionmentioning

confidence: 99%

Wear Characteristics of Hardfacing Coatings Obtained by Tungsten Inert Gas Method

Dziedzic¹,

Jóźwik²,

Barszcz³

et al. 2019

Adv. Sci. Technol. Res. J.

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This paper evaluates the wear characteristics of hardfacing coatings. Regenerative hardfacing coatings were applied with the TIG (Tungsten Inert Gas) method. The solid welding wires were used to obtain the coatings marked as: EL-500 HB, EL-650 HB, and EL-3348. The tribological analysis of samples was conducted at room temperature. The wear rate was evaluated with a THT 1000 Anton Parr ball-on-disc tribotester, in accordance with the ASTM G-133 standard. The counterbody (static partner) consisted of balls with the diameter of 6 mm made of Al2O3. The test was performed with the sliding speed of the friction pair 0.4 m/s, track radius 10 mm, normal load 20 N, acquisition rate 10 Hz and sliding distance 2000 m. During the test, the friction coefficient and wear rate were recorded. The multi-criteria assessment of the construction materials discussed, while taking into account five criteria, showed that EL-3348 HB is the best material. Computer applications were used for multi-criteria assessment and statistical processing of data.

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Section: Introductionmentioning

confidence: 99%

Wear Characteristics of Hardfacing Coatings Obtained by Tungsten Inert Gas Method

Dziedzic¹,

Jóźwik²,

Barszcz³

et al. 2019

Adv. Sci. Technol. Res. J.

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“…On the one hand, the presence of carbon in the friction surface reduces the adhesive interaction of contacting solids. On the other hand, it may reduce the lubrication efficiency [37][38][39][40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Wear Resistance of Borided Steel C45

2020

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The wear resistance of diffusion coatings in conditions of specific pressures of 3, 7 and 10 MPa was studied. The boride coatings were prepared by means of diffusion methods using C45 steel as the substrate material. Research on the microstructure and redistribution of chemical elements on wear surface of a borided layer was carried out. It was found that the boride coatings should be used under a specific pressure of 7 MPa. It was found that the wear of friction couple coating of steel C45 under specific pressure of 3 MPa proceeds according to the oxidation wear mechanism, while under specific pressures of 7 and 10 MPa the abrasive wear prevails. The wear-induced segregation of atoms in coatings was studied using secondary mass-spectroscopy method (SIMS). Increased C, O, and B concentrations were noticed at the wear surface on depth from 50 to 2000 Å. The secondary wear-induced structure formation on the wear surface resulted in high wear resistance of diffusion borided coatings.

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“…Cutting is the primary means of separating the material. This process is being studied by many researchers [1][2][3][4][5][6][7]. Special interest concern the process of wear of the cutting discs and their reducing [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Comparative Assessment of Wear Indicators in Grinding Discs During Grinding of Selected Steels

2019

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In the paper basic experimental tests were carried out to compare the wear indicators of selected abrasive grinding discs in grinding process of steel. Experimental tests on the wear and efficiency of metal grinding discs were made for four types of steel (S235, NC6, Hadfield steel, WNLV + QT steel). The wear parameter included in the ISO standard (KG) of new abrasive discs from European market were examined. This paper presents an analysis of the efficiency and wear of the company's ,,MOST" grinding discs using an angle grinder.

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Assessment of internal defects of hardfacing coatings in regeneration of machine parts

Cited by 9 publications

References 16 publications

Wear Characteristics of Hardfacing Coatings Obtained by Tungsten Inert Gas Method

Wear Characteristics of Hardfacing Coatings Obtained by Tungsten Inert Gas Method

Analysis of Wear Resistance of Borided Steel C45

Comparative Assessment of Wear Indicators in Grinding Discs During Grinding of Selected Steels

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