Mechanical Properties and Structural State of Rolled Sheets from High-Strength Wear-Resistant Weldable Steel H500 Magstrong®

Shilyaev, P. V.; Bogach, D. I.; Krasnov, M. L.; Kornilov, V. L.; Stekanov, P. A.; Счастливцев, В. М.; Yakovleva, I. L.; Urtsev, V. N.; Khabibulin, D. M.; Shmakov, A. V.

doi:10.1007/s11041-021-00620-w

Cited by 6 publications

(4 citation statements)

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“…It is known, that wear resistance is mainly determined by steel microstructure. Combination of high values of hardness and lowtemperature impact toughness can be provided after quenching and low tempering of quenching for martensite [16][17][18][19][20].…”

Section: Results Of the Research And Discussionmentioning

confidence: 99%

“…It was shown in several researches that non-tempered martensite is characterized by increased resistance against different kinds of wear, which is connected in the conditions of friction loading with development of the processes of dynamic ageing that can lead to efficient fixing of dislocations and intensive strengthening [19][20][21][22][23].…”

Section: Results Of the Research And Discussionmentioning

confidence: 99%

“…The most part of martensite with lathe morphology in the structure can provide high strength of the examined steel, while presence of dispersed structure of low-carbon bainite can provide high parameters of resistance to destruction [17][18][19][20][21].…”

Section: Results Of the Research And Discussionmentioning

confidence: 99%

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Study of phase and structural transformations in overcooled austenite for high-strength cold resistant steel during continuous cooling

Efimova,

Emaleeva,

Gulin

et al. 2023

cisisr

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Essential part of strategic objects in oil/gas and machine-building complexes, transport industry and bridge building are operated in the conditions of simultaneous effect of low temperatures, static and dynamic loads as well as intensive wear. High-strength cold-resistance steels are considered as one of the materials, which can be used in such conditions. At present time, providing of principally new qualitative combination of properties of such steels is the actual scientific problem; the main parameters of these steels should be superior to the existing international analogues, they should present the unique combination of high strength, ductility as well as wear and cold resistance at the temperatures down to -70 °C. However, improvement of strength properties and hardness of rolled products leads to substantial decrease of cold resistance and ductility of steel; so, reaching of combination between high strength state and cold resistance is possible during definite structural and phase transformations, occurring in steels. Regularities of phase and structural transformations, occurring in high-strength cold-resistant steel with the following chemical composition (%, mass.): 0.15 C; 1.5 Mn; 0.20 Si; 1.7 (Ni+Cu); 0.035 (Ti+V+Nb); 0.0040 B during continuous cooling, were established in this research. Thermokinetic diagram of decomposition of overcooled austenite was built. It is shown, that steel with above-mentioned composition, which contains mainly if lathe martensite with small amount of bainite, is forming during continuous cooling with rate within the range 10-110 °С/с. Most part of martensite with lathe morphology can provide high strength of the researched steel, presence of dispersed structure of low-carbon bainite can provide high characteristics of resistance to brittle destruction, and hardness more than 350 HBW, which is achieved during cooling with rate more than 50 °С/с can provide high wear resistance.

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Section: Results Of the Research And Discussionmentioning

confidence: 99%

Section: Results Of the Research And Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Study of phase and structural transformations in overcooled austenite for high-strength cold resistant steel during continuous cooling

Efimova,

Emaleeva,

Gulin

et al. 2023

cisisr

View full text Add to dashboard Cite

show abstract

“…It can be noted that amount of residual austenite in the structure of quenched sample is rather small and makes about 1 % [6]. Many lathes are divided to the fragments, what is manifested in non-uniform contrast along their length and is connected with elastic distortions of blocks with various dispersity [18]. Microstructure of other sections of the central part of a sample is presented on the Fig.…”

Section: The Results Of Researchmentioning

confidence: 99%

Study of structure of high-strength cold-resistant steel after quenching and tempering

Polteskov¹,

Yakovleva²,

Kuznetsova³

et al. 2021

cisisr

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A Study of the Structure and Properties of Novel Cold-Resistant High-Strength Steel for Operation Under Conditions of Intense Wear

et al. 2022

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Mechanical Properties and Structural State of Rolled Sheets from High-Strength Wear-Resistant Weldable Steel H500 Magstrong®

Cited by 6 publications

References 1 publication

Study of phase and structural transformations in overcooled austenite for high-strength cold resistant steel during continuous cooling

Study of phase and structural transformations in overcooled austenite for high-strength cold resistant steel during continuous cooling

Study of structure of high-strength cold-resistant steel after quenching and tempering

A Study of the Structure and Properties of Novel Cold-Resistant High-Strength Steel for Operation Under Conditions of Intense Wear

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