Steel-Copper Nano Composited Materials

Byalik, H. A.; Ivschenko, L.; Mokhnach, Richard; Naumik, V.; Tsyganov, V.

doi:10.7449/2019mst/2019/mst_2019_439_443

Cited by 1 publication

(2 citation statements)

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“…Another promising direction for increasing the strength characteristics through the use of nanocomposite materials is considered in [4]. However, the method proposed in this work provides for the use of science-intensive technologies.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

“…Investigating works [2][3][4][5][6][7][8][9][10][11][12][13][14], one can make sure that there is no control system for the structure and properties of low-alloy steels with the use of thermoplastic treatment. This structure control system will improve the technological characteristics of high-strength wheels of vehicles with reduced metal consumption.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

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Energy power parameter effect of hot rolling on the formation of the structure and properties of low-alloy steels

Sheyko

Matiukhin

Tsyganov

et al. 2021

EEJET

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The temperature and degree of hot deformation for steel 10HFTBch have been determined. This made it possible to ensure an increase in the mechanical properties of this steel, namely, the ultimate strength up to 540–560 MPa, as well as the relative elongation up to 25–29 %. As a result, it became possible to increase the service life of wheels with increased carrying capacity. This, in turn, will make it possible to increase the load of the transported cargo by motor vehicles several times. The mechanism of the influence of the energy-power parameters of rolling on the formation of the macro- and microstructure of a two-phase steel in the process of hot deformation is disclosed. The applied scheme provided an increase in the homogeneity of the structure of the developed steel, which saved the central part of the rolled section from overheating. It has been established that a decrease in the temperature of the end of deformation leads to a decrease in the size of the recrystallized austenite grain, and, consequently, to a refinement of the ferrite grain. Also an important factor in preventing the growth of ferrite grains in the upper part of the ferritic region is the abolition of cooling of the steel in coils. The recommended mode for multicomponent alloy steel 10HFTBch is as follows: the temperature of the end of rolling is 850 °C, the beginning of accelerated cooling is 750 °C, and the temperature of strip coiling into a coil is 600 °C. The basis for ensuring the increased strength of two-phase steels is the ratio and distribution of structural fractions – ferrite (initial and precipitated from austenite), as well as martensite. When hardened by such traditional "martensite formations" as manganese, the ability to control properties is limited. This is reflected in a narrow range of variation in the strength and ductility of the developed steel. The optimal combination of strength characteristics of plastic properties reduces the metal consumption of the product by 15–25 %.

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Section: Literature Review and Problem Statementmentioning

confidence: 99%