Production of large plates

Кобелев, О. А.; Tyurin, Vladimir A.

doi:10.3103/s096709120709001x

Cited by 16 publications

(4 citation statements)

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“…This technology allows to manufacture finished products of complex shapes [22][23][24][25][26][27][28][29][30]. Wettability, surface tension, and melt viscosity play an important role in the product manufacture [31][32][33][34].…”

Section: Objects and Methods Of Researchmentioning

confidence: 99%

Additive Technology Methods for Manufacturing Permanent Magnets

et al. 2021

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The paper presents the results of studying the possibility of using the selective laser melting method for production of permanent magnets. This process allows to manufacture not only product models and prototypes, but also finished functional products by adding material layer by layer and bonding particles and layers to each other. We have considered the application areas of selective laser melting (SLM) based on powders obtained by different methods for the study. In addition, we have analyzed the traditional magnetic alloy casting technology, studied magnetic materials, and compared the powder magnet properties with standard data. We have found that the parameters of powders obtained by gas atomization are qualitatively superior to those of powders obtained using other methods, whereas the resulting magnets meet the requirements for magnets. Based on the 25Kh15KA alloy powder atomized by gas atomization, a SLM plant allows to manufacture permanent magnets with a material density of 7.59–7.55 g/cu.cm, which meets the requirements recommended by the State Standard GOST 24897-81, and to obtain the magnet properties that can be achieved using traditional metallurgical technologies.

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Section: Objects and Methods Of Researchmentioning

confidence: 99%

Additive Technology Methods for Manufacturing Permanent Magnets

et al. 2021

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“…The third ones conclude that the bright area structure consists of martensite, retained austenite and alloyed cementite. Differences of opinion about the nature of bright area formation are apparently explained by friction dissimilar conditions [21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Electromechanical Surfacing Technique

Gerasimova¹

2022

Materials Research Proceedings

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Abstract. The paper considers an electromechanical surfacing technique of parts’ work surfaces. It was found out that depending on strain temperature, rate and degree there were special type structures formed on a surface layer with a phase change (a bright layer), i.e. a hot deformed structure with and without recrystallization and a cold deformed structure. Depending on the original structure and hardening conditions, during surfacing of parts a thickness of this area may achieve 0.3 mm max. Impact of steel electromechanical treatment on the structure and the surface layer was found out. Depending on properties of surfaces being treated it is possible to use plate-like and roller-type tools for electromechanical hardening. It was shown that roller- type tools possessed enhanced durability and enlarged areas of surfaces being treated, though ensured poorer finish of surfaces being treated.

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“…The experience of domestic forging and pressing shops shows that it is possible to achieve metal saving and improve the forging quality both through the introduction of low-waste and energysaving technologies using high-quality ingots (electroslag remelted, evacuated, etc. ), and through the improvement of process flows and forging modes [9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Forging Process Flow Development for Plate Production

Кобелев

Valeeva

Gerasimova

2021

SSP

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Developed on the basis of the pilot and industrial work results, a process flow for the production of mono-block plates with 7600x7600x360 mm dimensions from a 290-ton ingot for subsequent 15H2NMFA steel bottom stamping, was carried out. A practical implementation of the developed procedure for the bottom production from mono-block large-sized plates was made. The basic technology for the mono-block plate production was applied in the conditions of Izhorskiye Zavody, OJSC and Atommash, OJSC, this technology provides for a minimum amount of reconstruction of the existing facilities of these enterprises.

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Production of large plates

Cited by 16 publications

References 0 publications

Additive Technology Methods for Manufacturing Permanent Magnets

Additive Technology Methods for Manufacturing Permanent Magnets

Electromechanical Surfacing Technique

Forging Process Flow Development for Plate Production

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