Effect of WC based coatings on the wear of CK45 sheet metal forming dies

Onan, Mert; Şahin, Oğuzmert; Yıldırım, Ensar

doi:10.1504/ijsurfse.2021.120959

Cited by 3 publications

(3 citation statements)

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“…The plate that shows the largest variability among their hardness is the one welded with the cap coated with Ni 3 Al at 158 V. A sharp hardness difference of 13.1 HV 0,1 was observed between the 10 th weld and the 30 th weld. Plates with the lowest hardness deviation were determined as those welded with the Ni 3 Al and NiAl coated caps at 112 V. Although a metallurgical alloying is present between the coating and the substrate (Korkmaz, 2015;Onan et al, 2022), having a distinct elasticity modulus between them is a very challenging situation. During the course of applying pressure and being exposed to heat from the lap joint accelerate the wear process of coating and Cu caps with a secondary effect from deformation of copper caps.…”

Section: Esd Coated Electrode Caps Microhardness Resultsmentioning

confidence: 99%

“…High-current spark between the coating electrode and substrate causes the molten droplets to detach from the anode, provide a perfect adhesion to the cathode substrate and deposits the electrode material on the substrate surface (Tang et al, 2010;Gould, 2011;Korkmaz and Ribelko, 2011;Bozkurt et al, 2018). The ESD is also applied for purposes such as corrosion, erosion, and wear resistance of materials, reducing or preventing oxidation, reducing the thermal load at high temperatures, reducing maintenance costs etc... (Korkmaz, 2015;Onan et al, 2022;Demirbilek et al, 2022). Various intermetallic compounds such as FeAl, FeAl+TiC, NiAl and Ni 3 Al have been used to coat the surfaces of copper electrode caps to increase the efficiency of RSW using the ESD technique with an elevated wear resistance as much as 3-5 times higher than copper base metal.…”

Section: Introductionmentioning

confidence: 99%

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Performance of resistance spot weld caps coated with Ni and Fe aluminide alloys by electro spark deposition on hot dip galvanized steel

Açış

Talaş

2023

revmetal

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Resistance spot welding (RSW) is widely used as a main joining technique in industry and the electrode caps are frequently replaced because of the degradation during service. In this study, the G type copper RSW electrode caps were coated with Fe and Ni based Fe3Al, FeAl, Ni3Al, NiAl alloys by Electro-Spark Deposition (ESD), providing resistance to hot deformation, oxidation and Zn evaporation from sheet metal. The ESD coated electrode caps were tested in-situ on a hot dip galvanized steel in order to assess the performance of RSW electrode caps. For this purpose, three different coating voltages were selected for each coated electrode, and 12 different cap coatings were produced in total. Fifty resistance spot welds were consecutively manufactured with the same parameters for each type of coating electrodes. Hardness measurements, macrostructural examination, Ultrasonic Testing (UT) and chisel tests were performed on welded samples produced. In addition, effects of different coatings on RSW electrode caps were investigated on microstructural development, hardness variations and deformation capacity of resistance spot welds. Results showed that chisel tests and cross section thickness values of the welded sample made with the caps that were ESD coated with the Ni3Al electrode produced better results than the other caps. The cross-sectional thickness of nuggets was lower in all 158 V coated caps. The performance of aluminide coatings on RSW electrode caps can be listed from the best to the worst in the order of Ni3Al, NiAl, Fe3Al, and FeAl.

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Section: Esd Coated Electrode Caps Microhardness Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance of resistance spot weld caps coated with Ni and Fe aluminide alloys by electro spark deposition on hot dip galvanized steel

Açış

Talaş

2023

revmetal

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“…Zhao Wang (Zhao et al, 2023) used the WC-10%Co coating deposition experiment on the tc11 surface and comprehensively evaluate the coating quality, and the ESD process parameters for the repair of the coating defects were determined. Mert Onan (Onan et al, 2021)uses electro-spark deposition technology to deposit double layers of WC and WC + SS (tungsten carbide and stainless steel) coatings on the surface of 45 mold steel to improve the toughness and wear resistance of the mold surface.…”

Section: Introductionmentioning

confidence: 99%

Study on the Electro-Spark Deposition Properties of Skh51 Transition Coating in Composite Gradient Coating

Сінь,

Алфьоров,

Івченко

et al. 2023

mapp

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Because of the limitation of deposition thickness in electro-spark deposition (ESD) technology, composite coatings are increasingly used in electro-spark deposition. The deposition quality of transition coating is the key to improve composite coating. The deposition quality of transition coating is the key to improve composite coating. SKH51 material belongs to tungsten and molybdenum based materials and a high-speed tool steel with small and homogenous carbide particles. It has high hardness and excellent thermal hardness. It has good impact toughness and wear resistance, and can be used as the intermediate layer of carbon steel material and super-hard cermet coating. Consequently, a gradient structure is established. In this article, SKH51 material was deposited on the surface of 45 steel by the electro-spark deposition. With orthogonal experimental design, 16 sets of deposition experiments were conducted by selecting 4 factors and 4 levels. The coating thickness, coating surface roughness and maximum wear width of 16 samples were measured and counted. SKH51 coating wear surface is mainly abrasive wear and oxidation corrosion which is due to dry friction resulting in high temperatures on the surface. Because the surface of SKH51 coating was rough, the wear mass was used, the error will be larger. So the wear mark width is used to compare the wear resistance of the samples. The normalization method was used to unify the different unit coating evaluation objectives into a single metric. Three groups of weighting factors were determined using the requirements of transition coatings for coating performance indicators. Then, it was substituted into the objective function, and each experimental group normalizes the parameters for calculation. As a result, three distinct sets of maximal goal functions were obtained. The optimal value of the objective function corresponded to the 12th sample group. Finally, the deposition process parameters of the 12th sample were regarded as the optimal process for the SKH51 transition coating.

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Electro-Spark Deposition Coating of AISI 4140 and AISI 1040 Steels by WC, Ni and M42 Electrodes and their Wear Properties

Kayali,

Yalçin,

Talaş

2023

J. of Materi Eng and Perform

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Effect of WC based coatings on the wear of CK45 sheet metal forming dies

Cited by 3 publications

References 0 publications

Performance of resistance spot weld caps coated with Ni and Fe aluminide alloys by electro spark deposition on hot dip galvanized steel

Performance of resistance spot weld caps coated with Ni and Fe aluminide alloys by electro spark deposition on hot dip galvanized steel

Study on the Electro-Spark Deposition Properties of Skh51 Transition Coating in Composite Gradient Coating

Electro-Spark Deposition Coating of AISI 4140 and AISI 1040 Steels by WC, Ni and M42 Electrodes and their Wear Properties

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