The effects of alloying elements on the peritectic range of Fe–C–Mn–Si steels

Ren, Qingqiang; Liu, Tao; Baik, Sung Il; Mao, Zugang; Krakauer, Bruce W.; Seidman, David N.

doi:10.1007/s10853-020-05602-6

Cited by 8 publications

(4 citation statements)

References 54 publications

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“…1, а). На наявність пор і «деформаційних полос» у структурі БЛЗ вказують автори робіт [3,9], та зазначають, що їхнє утворення пов'язане зі значним стис-ТАБЛИЦЯ 1. Вміст хемічних елементів в дослідних крицях.…”

Section: результати та обговоренняunclassified

“…та Силіцію ≥ 0,45% (мас.) (зразок № 3) в поверхневій зоні спостерігали утворення більш однорідних і дисперсних дендритів, що мали меншу дефектність у порівнянні з дендритами зразків № 1 і № 2, а на їхній поверхні не спостерігали утворення деформаційних полос, що можна пояснити тим, що з розтопу відбувається утворення γ-кристалів заліза [9][10][11] (рис. 1, в).…”

Section: результати та обговоренняunclassified

“…та Манґану у 0,54% (мас. ), що добре узгоджується з експериментальними результатами, одержаними в даній роботі й іншими авторами [9,11,12].…”

Section: результати та обговоренняunclassified

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Influence of the Carbon, Manganese, and Silicon Content on Formation of Structural Components During Continuous Casting of Steels

Filonenko,

Babachenko,

Kononenko

2024

Metallofiz. Noveishie Tekhnol.

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Манґану та Силіцію: в кірковій зоні та на 1/2 радіюса злитку сеґреґацію Манґану до 0,7% (мас.) і Силіцію до 0,5% (мас.), а в центральній частині злитку вміст буде майже таким, як їхній вміст у стопі.Ключові слова: безперервно литі криці, дендрити заліза, сеґреґація Манґану та Силіцію.The study of continuously cast steels with different contents of carbon, manganese and silicon is carried out in the work. To determine the features of the structural state of steels, we use microstructural analysis, x-ray microanalysis, and x-ray diffraction method. As shown, depending on the carbon, manganese, and silicon contents in the structure during solidification, the next development is possible as follows: formation of the primary phase of δferrite and, then, formation of γ-iron according the peritectic reaction; coexistence of L-, γand δ-phases, and formation of γ-iron from the melt. As found, with an increase in the carbon content ≥ 0.5 wt.%, manganese content ≥ 0.75 wt.% and silicon content ≥ 0.45 wt.% in steel, formation of the δferrite primary phase from the melt in the continuous cast steel billet does not occur. At given content of carbon, manganese and silicon in the steel, formation of γ-iron in the melt and increase in the quantity of inclusions, namely, complex carbides and iron silicides, are observed. Calculations show that, with an increase in the manganese and silicon contents, the peritectic area in the diagram decreases. In the interdendritic space, the segregation of manganese and silicon is detected: in the crust zone and at the 1/2 radius of ingot, the segregation of manganese is up to 0.7 wt.% and the silicon one is up to 0.5 wt.%; in the central part of ingot, the content will be almost the same as in the alloy.

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Section: результати та обговоренняunclassified

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Influence of the Carbon, Manganese, and Silicon Content on Formation of Structural Components During Continuous Casting of Steels

Filonenko,

Babachenko,

Kononenko

2024

Metallofiz. Noveishie Tekhnol.

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“…Hadfield steels is manufactured by casting process, contain carbide (Fe, Mn)3C in the grain boundary due to slow solidification process [6,7,8,9,10,11]. Figure1 shows the exemplary carbide precipitated in grain boundary.…”

Section: Introductionmentioning

confidence: 99%

The influence of heat rate and austenitization temperature on microstructure and hardness of Hadfield steel

Wahyudi

Pratiwi

Supriyanto³

et al. 2023

Sinergi

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The As-Cast condition of Hadfield alloy usually contains (Fe, Mn)3C carbides around the austenitic grains, which promote brittleness, making the steel impractical in industry. Heat treatment is normally applied to reduce carbide content, lower carbides, and improve toughness. However, a complete austenitic structure is not attainable during solution treatment. The dissolution temperature and dissolution time are critical to obtaining complete carbide content. Furthermore, heating must be done slowly, and the quenching speed must be fast enough. This study examines the effect of heat rate and austenitization temperatures in the solution treatment on the microstructure and hardness of Hadfield steel. The heat rate of 3, 6 and 10 oC/min is selected to determine whether there is a change in the microstructure of Hadfield steel. The four austenitization temperatures of 1000, 1100, 1150 and 1200 oC are used to ascertain carbide dissolution into the austenite matrix. Grain boundary, hardness, and phase transformation will confirm the microstructural change and hardness properties. The optical microscope shows carbide content is reduced as the austenitization temperature increases. The consequence of carbide dissolution affects the hardness. Its hardness decreases as temperature increase due to the loss of carbide. The as-Cast specimen has the highest hardness of 227.8 HV30, and the lowest hardness is 176.7 HV30 belongs to a specimen that is heated up to 1200 °C and quenched into water. Grain size is measured by the line intercept method, which shows its increase as temperatures increase. The result of grain measurement is as follows: As-Cast 224.6 mm, T 1000 °C 323.3 mm, T1100 °C 409.2 mm, T1150 °C 1014.4 mm, T1200 °C 881.6 mm. SEM-EDS confirms that the main phase is austenite, and a small amount of carbide is detected in the austenite matrix.

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Experimental and Numerical Investigations on Solidification Thermodynamics of H13 Steel with Multi components

Luo,

Wang,

Shang

et al. 2024

Metall Mater Trans B

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The effects of alloying elements on the peritectic range of Fe–C–Mn–Si steels

Cited by 8 publications

References 54 publications

Influence of the Carbon, Manganese, and Silicon Content on Formation of Structural Components During Continuous Casting of Steels

Influence of the Carbon, Manganese, and Silicon Content on Formation of Structural Components During Continuous Casting of Steels

The influence of heat rate and austenitization temperature on microstructure and hardness of Hadfield steel

Experimental and Numerical Investigations on Solidification Thermodynamics of H13 Steel with Multi components

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