Laser Dissimilar Welding of AISI 430F and AISI 304 Stainless Steels - Publikacja - MOST Wiedzy

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Laser Dissimilar Welding of AISI 430F and AISI 304 Stainless Steels

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A dissimilar autogenous laser welded joint of AISI 430F (X12CrMoS17) martensitic stainless steel and AISI 304 (X5CrNi18-10) austenitic stainless steel was manufactured. The welded joint was examined by non-destructive visual testing and destructive testing by macro- and microscopic examination and hardness measurements. With reference to the ISO 13919-1 standard the welded joint was characterized by C level, due to the gas pores detected. Microscopic observations of AISI 430F steel revealed a mixture of ferrite and carbides with many type II sulfide inclusions. Detailed analysis showed that they were Cr-rich manganese sulfides. AISI 304 steel was characterized by the expected austenitic microstructure with banded δ-ferrite. Martensitic microstructure with fine, globular sulfide inclusions was observed in the weld metal. The hardness in the heat-affected zone was increased in the martensitic steel in relation to the base metal and decreased in the austenitic steel. The hardness range in the weld metal, caused by chemical inhomogeneity, was 184–416 HV0.3.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Materials nr 13,
ISSN: 1996-1944
Język:
angielski
Rok wydania:
2020
Opis bibliograficzny:
Pańcikiewicz K., Świerczyńska A., Hućko P., Tumidajewicz M.: Laser Dissimilar Welding of AISI 430F and AISI 304 Stainless Steels// Materials -Vol. 13,iss. 20 (2020), s.4540-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/ma13204540
Weryfikacja:
Politechnika Gdańska

wyświetlono 15 razy

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