izpis_h1_title_alt

Quantifying complex influences of chemical composition and soaking conditions for increasing the hot workability of M2 high-speed steel by using the alternative approach
ID Peruš, Iztok (Avtor), ID Palkowski, Heinz (Avtor), ID Kugler, Goran (Avtor), ID Terčelj, Milan (Avtor)

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Izvleček
The conditions for increasing the hot workability and extending the temperature range for the safe hot working of M2 high-speed steel (HSS) were studied and revealed. This was enabled by combination of two approaches, i.e. results obtained by an analysis of so individual as well as spatial influences of chemical elements on the hot workability using a conditional average estimator neural networks in combination with the results obtained from hot-compression tests that revealed the appropriate soaking conditions. The Latin Hypercube Sampling technique was used to model the uncertainty of the collected data used in the analysis. The obtained results reveal new, surprisingly complex, typically spatial and (highly) non-linear relationships between the chemical elements and the hot workability of M2 HSS, i.e. common mutual influence of carbon, carbide-forming elements as well as elements, i.e. Si, Mn and Co, which indirectly influence the formation of carbides. Further also new allowed upper limits for contents of some harmful elements like S, P, Al, Sb, Cu, Sn, As, Ni, etc. at which transition from higher to lower workability takes place were revealed. Finally, by applying a specially developed procedure for hot-compression tests the appropriate soaking time and temperature were assessed. New findings explain and considerably improve the intrinsic hot workability and extend the temperature range for safe hot working at its upper and lower limits.

Jezik:Angleški jezik
Ključne besede:M2 HSS, hot workability, hot compression, hot torsion, chemical compositions, Latin Hypercube Sampling, neural networks
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:NTF - Naravoslovnotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2020
Št. strani:Str. 13301-13311
Številčenje:Vol. 9, iss. 6
PID:20.500.12556/RUL-144725 Povezava se odpre v novem oknu
UDK:669
ISSN pri članku:2238-7854
DOI:10.1016/j.jmrt.2020.09.029 Povezava se odpre v novem oknu
COBISS.SI-ID:30450435 Povezava se odpre v novem oknu
Datum objave v RUL:09.03.2023
Število ogledov:312
Število prenosov:40
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Journal of materials research and technology
Skrajšan naslov:J. mater. res. technol.
Založnik:Elsevier
ISSN:2238-7854
COBISS.SI-ID:519699737 Povezava se odpre v novem oknu

Licence

Licenca:CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0268
Naslov:Geotehnologija

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0344
Naslov:Napredna metalurgija

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