Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Dziubińska Anna, Gontarz Andrzej, Winiarski Grzegorz
Rok wydania:	2014
Wersja dokumentu:	Drukowana \| Elektroniczna
Język:	angielski
Numer czasopisma:	21
Wolumen/Tom:	8
Strony:	31 - 35
Web of Science® Times Cited:	1
Bazy:	Web of Science
Efekt badań statutowych	NIE
Materiał konferencyjny:	NIE
Publikacja OA:	TAK
Licencja:
Sposób udostępnienia:	Otwarte czasopismo
Wersja tekstu:	Ostateczna wersja opublikowana
Czas opublikowania:	W momencie opublikowania
Data opublikowania w OA:	5 marca 2014
Abstrakty:	angielski
	The paper presents the results of research undertaken to investigate cold forming pro- cess for 40HM constructional steel suitable for heat treatment. In the first part of the paper, mechanical properties of this steel and its industrial applications are described. The second part of the paper presents the results of the analysis of flow curves for two kinds of steel specimens: those that were subjected to annealing and those that did not undergo any heat treatment. It was found that the application of heat treatment had a significant effect on improving the forming conditions for this steel at room tempera - ture. The experimental flow curves obtained in a compression test were described by constitutive equations illustrating the dependence between flow stresses and strain value. In order to determine the equation coefficients, the Generalized Reduced Gradi- ent method implemented in Microsoft Excel was used. Based on the obtained equa- tions, a material model will be developed to perform numerical simulations of cold forming for 40HM steel, using FEM-based software that aids the design of metal forming technologies.

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Flow stress model for cold-formed 40HM constructional steel

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