Influence of processing factors on the structure and properties of carbon steel powder obtained by sintering and hardening of electropulse nanoparticles

Panov, V. S; Skorikov, R. A; Eremeeva, Zh. V; Nitkin, N. M.; Sharipzjanova, G. H; Zherdickaja, N. N; Ivanov, S. A

doi:10.17816/2074-0530-68329

Izvestiya MGTU MAMI

2013

DOI: 10.17816/2074-0530-68329

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Influence of processing factors on the structure and properties of carbon steel powder obtained by sintering and hardening of electropulse nanoparticles

V. S Panov

R. A Skorikov

Zh. V Eremeeva

et al.

Abstract: In the article the study of the effect of temperature electropulse sintering of powder on the properties of steel. The optimal conditions for obtaining medium-carbon steels, cold brittleness threshold is defined, which allows to judge about the possibility of powder steel for use with impact loads at low temperatures.

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Study of the Structure and Properties of Steel G13 with Modifying and Organic Additives

Eremeeva,

Ter-Vaganyants

2023

jour

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The purpose of the study – is to determine the effect of modifying and organic additives on the structure and properties of G13 powder steel.Methods. The study of the microstructure and mechanical properties of G13 sludge with modifying and organic additives was carried out. As modifying additives were used: nano-aluminum oxide powder and nano-zirconium oxide powder. The following organic additives were used: ethylene-bis-stearomide, nickel stearate, copper stearate, manganese stearate, iron stearate. The microstructure was studied using an S-3400N electron microscope. Hardness was determined by the depth of the indentation by the Rockwell method. A hardened steel ball with a diameter of 1.56 mm was taken as an indenter. Bending tests were carried out on an MFL HUS-2010z electro-hydraulic tensile testing machine in automatic mode using an IBM PX personal computer.Results. When studying the microstructure of steel G13, it was found that the most fine-grained austenite structure is observed in steel with the following composition of the initial charge: Fe + 14.5% FeMn + 1.2% C + ZrO2 (nano). A uniform structure of austenite with small rounded pores is observed in steel G13, which has the following compositions of the initial charge: Fe + 13% FeMn + 1.3% C + 1% St.Cu; Fe + 14.5%FeMn + 1.2%C + 0.5% St.Mn (warm mix). The study of mechanical characteristics has shown that the best combination of hardness after sintering and bending strength is possessed by workpieces made from a powder mixture of composition Fe + 14.5% FeMn + 1.2% C + 0.5% St. Ni.Conclusion. The most positive effect on the structure of G13 powder steel was exerted by the modifying additive of nano-zirconium oxide powder, as well as organic additives of copper stearate and manganese stearate. The best combination of mechanical characteristics (hardness and bending strength) is exhibited by billets into which an organic additive of nickel stearate was introduced.

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Study of the Structure and Properties of Steel G13 with Modifying and Organic Additives

Eremeeva,

Ter-Vaganyants

2023

jour

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show abstract

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Influence of processing factors on the structure and properties of carbon steel powder obtained by sintering and hardening of electropulse nanoparticles

Cited by 1 publication

References 0 publications

Study of the Structure and Properties of Steel G13 with Modifying and Organic Additives

Study of the Structure and Properties of Steel G13 with Modifying and Organic Additives

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