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Wyświetlanie 1-4 z 4
Tytuł:
The Effect of a Change in Recrystallization Annealing Time on the Properties and Structure of Cold-Drawn Wires
Autorzy:
Grygier, D.
Rutkowska-Gorczyca, M.
Dudziński, M.
Powiązania:
https://bibliotekanauki.pl/articles/99719.pdf
Data publikacji:
2015
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
pearlitic steel
annealing
cementite
Opis:
Although many heat treatment schemes have been developed for pearlitic steel, in the literature there is still little information about the influence of the different heat treatment parameters on the percentage, properties and morphology of the phases. Neither there is any information on matching the parameters, taking into account the different degree of deformation of the steel wires, the particular applications and operating conditions of the products. The aim of this research was to optimize the parameters of the interoperation annealing used during the cold plastic work-ing of pearlitic steel intended for cold-drawn wires. The results of the hardness measurements and microscopic observations, presented in this paper clearly show that there is no need to apply long recrystallization treatments to small diameter wires. This finding is highly significant from the economic point of view and it clearly shows the importance of the individual matching of heat treatment parameters to specific industrial applications.
Źródło:
Journal of Machine Engineering; 2015, 15, 1; 90-97
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure Evaluations in Pearlitic Steels Wires Resulting from Modification of the Interoperation Annealing Process
Autorzy:
Grygier, D.
Rutkowska-Gorczyca, M.
Jasiński, R.
Dudziński, W.
Gershtein, G.
Powiązania:
https://bibliotekanauki.pl/articles/100087.pdf
Data publikacji:
2014
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
pearlitic steel
cold drawing
cold rolling tempering
annealing
Opis:
Pearlitic steels containing from some 0.8 to 0.95% C belong to the group of unalloyed steels of the quality class destined for cold drawing or rolling. At the same time, the steels are characterised with particularly low share of non-metallic inclusions and limited contents of chromium and nickel, which extend the pearlite reaction time. The pearlitic steel in the annealed state has the highest strength in relation to other unalloyed steels, therefore she have found application mainly as wire rods for springs, wires for car tire reinforcement and cables. However one of the issues widely discussed in literature is cracking of pearlitic steel subjected to plastic working, caused by high brittleness of the lamellar precipitations of hard cementite. This issue is extremely important because it affects significantly reduce fatigue strength. The paper presents proposals to modify the process of interoperation annealing in order to eliminate this problem.
Źródło:
Journal of Machine Engineering; 2014, 14, 1; 53-62
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effectiveness of recrystallization high carbon steel with regard to the condition of material
Autorzy:
Grygier, D.
Powiązania:
https://bibliotekanauki.pl/articles/1190026.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
rekrystalizacja
cementyty
stal perlityczna
starzenie
recrystallization
pearlitic steel
annealing
cementite
Opis:
The main aim of the studies presented in paper was to optimize the parameters of the recrystallisation annealing process used in the course of cold plastic working of high carbon steel for patented wires. Object of the research described in the work was eutectoid steel of 0,8% content of C designated for production of colddrawn wires applied for reinforcement of car tires, hoses and ropes. The results of tests show that the condition of the material and mainly degree of plastic deformation has a clearly influence on the effectiveness of pearlitic steel recrystallisation.
Źródło:
Interdisciplinary Journal of Engineering Sciences; 2015, 3, 1; 20--24
2300-5874
Pojawia się w:
Interdisciplinary Journal of Engineering Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of the inter-operation annealing of cold-drawn eutectoid steels
Autorzy:
Grygier, D.
Rutkowska-Gorczyca, M.
Żak, A.
Jasiński, R.
Powiązania:
https://bibliotekanauki.pl/articles/1075902.pdf
Data publikacji:
2016-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Bx
81.40.Ef
81.70.Bt
Opis:
The test of the results presented in this paper has demonstrated that the most suitable recrystallizing annealing temperature for cold drawn eutectoid steels is 700°C. The microscopic examinations, with the use of scanning electron microscopy and transmission electron microscopy and the results of mechanical properties tests have shown that only at this temperature it is possible to obtain the fully recrystallized homogeneous fine-grained structure of the pearlitic steel.
Źródło:
Acta Physica Polonica A; 2016, 130, 4; 931-934
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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