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Ocena mikrostrukturalna stali APIX80 w różnych cyklach termicznych

Ocena mikrostrukturalna stali APIX80 w różnych cyklach termicznych

Adriana de Almeida Halfeld Vieira / Ivani de Souza Bott

59,31 €
IVA incluido
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Música
ISBN:
9786208587017
59,31 €
IVA incluido
Disponible
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W niniejszej pracy przeprowadzono mikrostrukturalną ocenę wpływu cykli termicznych na trzy gatunki stali API5L X80: Nb-Cr, Nb-Cr-Mo i Nb-Cr-Mo-V produkowane w Brazylii. Stale te zostały wyprodukowane przy użyciu kontrolowanego procesu termomechanicznego bez późniejszego etapu przyspieszonego chłodzenia. Charakterystykę mikrostrukturalną przeprowadzono w dwóch warunkach, po walcowaniu i austenityzowaniu w temperaturze 900oC, a następnie w trzech (3) cyklach termicznych: chłodzenie w powietrzu (1,5oC/s), w oleju (30oC/s) i w wodzie (115oC/s). Przeanalizowano dane takie jak TG, rozkład faz: ferryt, bainit i AM, twardość i mikrotwardość, a także sprawdzono różnice w ich podstrukturach: podziarna, komórki i drobne wytrącenia.

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