Modified ZERILLI-ARMSTRONG model for 21-4N heat-resistant steel
| Autor: | X. M. Huang, H. Y. Long, Y. M. Li, H. L. Duan |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Metalurgija, Vol 59, Iss 3, Pp 305-308 (2020) |
| Druh dokumentu: | article |
| ISSN: | 0543-5846 1334-2576 |
| Popis: | The Gleeble - 1500D thermal simulator was used to conduct the isothermal compression test of 21 - 4N heat-resistant steel under the T range of 1 273 - 1 453 K and ε̇ of 0,01 – 10 s-1. Using the obtained stress - strain data, various parameters of the modified Zerilli-Armstrong (m – Z - A) model were calculated. The constitutive equations of 21 - 4N heat-resistant steel based on the m – Z - A were established. The m – Z - A model can well describe the rheological behavior of 21 - 4N heat-resistant steel. The simulation process can be completed successfully, indicating that the established models can be used for the simulation study of thermal deformation of 21 - 4N heat-resistant steel and are correct. The results can provide some important basic data for the simulation of 21 - 4N heat resistant steel on plastic deformation process. |
| Databáze: | Directory of Open Access Journals |
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