Development of thermophysical calculator for stainless steel casting alloys by using CALPHAD approach

Cho, In-Sung; Savelyev, K. D.; Голод, В. М.

doi:10.1007/s41230-017-7144-5

Cited by 3 publications

(3 citation statements)

References 18 publications

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“…It has become an integral part of precision metallurgical billet manufacturing (thermal and plastic processes). In these calculations, based on CALPHAD tools [12,13], it is necessary to use accurate data for simulation and to have checked properties for validation. Therefore we scheduled to do diffusion simulation calculation next and to clarify homogenization duration.…”

Section: Discussionmentioning

confidence: 99%

Homogenization of Cr-Ni Austenitic Steel Studying: Liquation and Microhardness Heterogeneity Equalization

Tsvetkov

Teplukhina

2019

KEM

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Currently, a new generation of pressurized water reactor for nuclear power plants with an extended service life (up to 60 years) and a guarantee of their complete safety are being designed in Russia. Analysis of the reactor internal elements performance showed, that designed service life cannot be guaranteed if the reactor’s internal parts would be made from currently used stainless steel (18-10 alloy type). Instead of the used steel, to ensure operability, new austenitic stainless steel (16-25 alloy type), with increased resistance to radiation swelling, is being developed for production of forged ring blanks for core baffle. The use of new steel requires revision of the existing metallurgical production technology stages. Therefore in this paper diffusion experiment was carried out to determine the required duration of homogenization. The results are presented in terms of different duration of the high-temperature exposure effect on the liquation heterogeneity equalization. The relation between duration of homogenization and microhardness is also shown.

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Section: Discussionmentioning

confidence: 99%

Homogenization of Cr-Ni Austenitic Steel Studying: Liquation and Microhardness Heterogeneity Equalization

Tsvetkov

Teplukhina

2019

KEM

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“…Also, a molybdenum signal was received from EDS region number 2. Although the solubility of molybdenum in α-Fe is quite low under normal conditions, its solubility has been reported to be ~24% at ~1450 • C [40,41]. In a process where solidification is dynamic, such as welding, rapid regional or structural cooling might have occurred [33].…”

Section: Microstructure and Phases Analysismentioning

confidence: 99%

“…is quite low under normal conditions, its solubility has been reported to be ~24% at ~1450 °C [40,41]. In a process where solidification is dynamic, such as welding, rapid regional or structural cooling might have occurred [33].…”

Section: Microstructure and Phases Analysismentioning

confidence: 99%

Effect of the Molybdenum Content on Wear and Corrosion Behavior of Fe-B-Based Surface-Alloyed Layer

Kocaman

2023

Coatings

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In this study, Fe-Mo-B-based hardfacing electrodes containing different amounts of Mo were coated on an AISI 1020 steel substrate using the electric arc welding method. The findings show that molybdenum is highly effective on the microstructure and minor changes in the coating composition affect the phases and morphological properties. In the hardness tests, an increase of 73% was achieved in the Fe14Mo2B4-based hardfacing coating, compared to the base material, and a 30% increase was achieved, compared to the Fe16B4-based coating. The highest hardness value was measured as 56.4 HRC and the highest phase hardness was measured as 3228 HV in the FeMo2B4 phase. The lowest wear rate was measured in the Fe14Mo2B4-based coating. The wear rate of the Fe14Mo2B4-based coating was 8.1 times lower than that of the substrate material and 4.7 times lower than that of the Fe16B4-based coating. According to corrosion test results, the highest corrosion resistance was obtained in the Fe16B4-based coating. The current density value of the Fe16B4-based coating was measured to be 13.6 times lower than that of the substrate material.

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Effect of Boron and Carbon on the Surface-Alloyed Layers with Fe(15−x)MoTiBxMn2C (x = 0,1,2,3)-Based Covered Electrodes

Recep,

Engin,

Bülent

et al. 2023

J. of Materi Eng and Perform

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Development of thermophysical calculator for stainless steel casting alloys by using CALPHAD approach

Cited by 3 publications

References 18 publications

Homogenization of Cr-Ni Austenitic Steel Studying: Liquation and Microhardness Heterogeneity Equalization

Homogenization of Cr-Ni Austenitic Steel Studying: Liquation and Microhardness Heterogeneity Equalization

Effect of the Molybdenum Content on Wear and Corrosion Behavior of Fe-B-Based Surface-Alloyed Layer

Effect of Boron and Carbon on the Surface-Alloyed Layers with Fe(15−x)MoTiBxMn2C (x = 0,1,2,3)-Based Covered Electrodes

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