Improving characteristics of austenitic steels by modification

Abstract

The article considers the technology for producing GX120Mn13 steel with high manganese content altered by a special modifier in order to improve the constructional durability of the manufactured parts. The ultra-dispersed powder of refractory metal oxides is used for the modification process. The samples are produced in the series of casting and tested mechanically. The structural research demonstrates the improvement of the steel microstructure and its mechanical characteristics. It has also revealed that the size of an austenite grain and nonmetallic inclusions on grain boundaries are reduced, and sulphide inclusions are partially dissolved, which has a positive impact on the operation characteristics of the steel.

Original language	English
Title of host publication	Advanced Materials Research
Publisher	Trans Tech Publications Ltd
Pages	236-240
Number of pages	5
Volume	1040
ISBN (Print)	9783038352648
DOIs	https://doi.org/10.4028/www.scientific.net/AMR.1040.236
Publication status	Published - 2014
Event	International Conference for Young Scientists “High Technology: Research and Applications 2014”, HTRA 2014 - Tomsk, Russian Federation Duration: 26 Mar 2014 → 28 Mar 2014

Publication series

Name	Advanced Materials Research
Volume	1040
ISSN (Print)	10226680
ISSN (Electronic)	16628985

Other

Other	International Conference for Young Scientists “High Technology: Research and Applications 2014”, HTRA 2014
Country	Russian Federation
City	Tomsk
Period	26.3.14 → 28.3.14

Keywords

Austenite
Carbides
Microstructure
Modification
Oxides of refractory metals
Steel
Ultra-dispersed powders

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.4028/www.scientific.net/AMR.1040.236

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Cite this

Fedoseev, S. N., Lychagin, D. V., & Sharafutdinova, A. S. (2014). Improving characteristics of austenitic steels by modification. In Advanced Materials Research (Vol. 1040, pp. 236-240). (Advanced Materials Research; Vol. 1040). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/AMR.1040.236

Fedoseev, SN, Lychagin, DV & Sharafutdinova, AS 2014, Improving characteristics of austenitic steels by modification. in Advanced Materials Research. vol. 1040, Advanced Materials Research, vol. 1040, Trans Tech Publications Ltd, pp. 236-240, International Conference for Young Scientists “High Technology: Research and Applications 2014”, HTRA 2014, Tomsk, Russian Federation, 26.3.14. https://doi.org/10.4028/www.scientific.net/AMR.1040.236

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AB - The article considers the technology for producing GX120Mn13 steel with high manganese content altered by a special modifier in order to improve the constructional durability of the manufactured parts. The ultra-dispersed powder of refractory metal oxides is used for the modification process. The samples are produced in the series of casting and tested mechanically. The structural research demonstrates the improvement of the steel microstructure and its mechanical characteristics. It has also revealed that the size of an austenite grain and nonmetallic inclusions on grain boundaries are reduced, and sulphide inclusions are partially dissolved, which has a positive impact on the operation characteristics of the steel.

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KW - Oxides of refractory metals

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