INVESTIGATION OF THE PROCESS OF ELECTRIC ARC METALIZATION OF COATINGS FROM STEEL 30KhGSA
Shynarbek A.B. Rakhadilov B.K. Stepanova O.A. Kusainov R.K. Zhassulan A.Zh. Daumova G.K.
2023E.A. Buketov Karaganda University Publish house
Eurasian Physical Technical Journal
2023#20Issue 4-4667 - 73 pp.
The article considers the electric arc metallization technological modes of steel 30KhGSA wires, which affect the structure formation and properties of coatings. Electric arc spraying was carried out using an SX-600 electric arc metallizer. The properties and characteristics of the resulting coatings depend on several plating parameters such as wire feed speed, voltage, and amperage. The coating structure was studied by electron microscopy and metallographic analysis. The coating has a layered structure, which consists of frozen convective metal flows, micro-welded small metal particles and oxides. The results of the study show that an increase in the wire feed speed during metallization leads to an increase in the resulting coating thickness per unit time. On the surface of steel 45, depending on the selected mode, coatings were formed from steel 30KhGSA with a thickness in the range from 50 μm to 370 μm. It has been established that when electric arc metallization coatings are sprayed with 30KhGSA wire, the microhardness of the surface layer increases by a factor of 2 relative to the microhardness of 45 steel. Based on studies investigating the impact of various factors in the electric arc spraying process on the formation of coating structures and properties, it can be deduced that utilizing electric arc metallization on steel 30KhGSA substrates allows for the production of coatings with enhanced hardness.
arc metallization , coating , microhardness , steel , structure , wear resistance , wire
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SC Modification of the Surface of Materials Shakarim University of Semey, Semey, Kazakhstan
Plasma Science LLP, Oskemen, Kazakhstan
D. Serikbayev East Kazakhstan Technical University, Oskemen, Kazakhstan
SC Modification of the Surface of Materials Shakarim University of Semey
Plasma Science LLP
D. Serikbayev East Kazakhstan Technical University
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