Processing and characterization of high aluminum multicomponent (Co,Ni)-based superalloys for friction stir welding (FSW) tools (2020)
- Authors:
- USP affiliated authors: NUNES, CARLOS ANGELO - EEL ; COELHO, GILBERTO CARVALHO - EEL ; FARIA, MARIA ISMENIA SODERO TOLEDO - EEL ; SALGADO, MARCUS VINICIUS DA SILVA - EEL ; FREITAS, BRUNO XAVIER DE - EEL ; CHAIA, NABIL - EEL
- Unidade: EEL
- DOI: 10.1016/j.mtcomm.2020.101282
- Assunto: MATERIAIS
- Keywords: (Co-Ni) superalloys; Friction stir welding (FSW); FSW tool; Characterization
- Agências de fomento:
- Language: Inglês
- Abstract: Despite the great potential of Friction Stir Welding (FSW) process, there is a lack of technical information on Co-based alloys designed for FSW tools. Therefore, this work evaluated two multicomponent (Co-Ni)-based superalloys tools of high aluminum contents for better wear and oxidation resistance. The two alloys differed on the presence of either Nb or Ta in their chemical composition. The alloys were produced via vacuum induction melting / investment casting and then heat treated at 1000 °C for 16 h. The as-cast and heat-treated microstructures of both alloys presented γ, γ′, Co7W6, CoAl, Laves and MC phases. Yield strength near 550 MPa at 900 °C and hardness values about 500 HV0.5 have been measured for both heat-treated alloys. Friction stir welding (FSW) tools of the two alloys were successfully used to weld (bead on plate) a plate of ASTM A1008 steel. However, superior results have been obtained from the Ta-alloy tool.
- Imprenta:
- Source:
- Título: Materials Today Communications
- ISSN: 2352-4928
- Volume/Número/Paginação/Ano: v.25, art. n.101282, p.1-7, 2020
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
-
ABNT
SALGADO, Marcus Vinicius da Silva et al. Processing and characterization of high aluminum multicomponent (Co,Ni)-based superalloys for friction stir welding (FSW) tools. Materials Today Communications, v. 25, n. art. 101282, p. 1-7, 2020Tradução . . Disponível em: https://doi.org/10.1016/j.mtcomm.2020.101282. Acesso em: 30 dez. 2025. -
APA
Salgado, M. V. da S., Freitas, B. X. de, Pereira, V. F., Costa, A. M. da S., Chaia, N., Nunes, C. A., et al. (2020). Processing and characterization of high aluminum multicomponent (Co,Ni)-based superalloys for friction stir welding (FSW) tools. Materials Today Communications, 25( art. 101282), 1-7. doi:10.1016/j.mtcomm.2020.101282 -
NLM
Salgado MV da S, Freitas BX de, Pereira VF, Costa AM da S, Chaia N, Nunes CA, Coelho GC, Faria MIST. Processing and characterization of high aluminum multicomponent (Co,Ni)-based superalloys for friction stir welding (FSW) tools [Internet]. Materials Today Communications. 2020 ;25( art. 101282): 1-7.[citado 2025 dez. 30 ] Available from: https://doi.org/10.1016/j.mtcomm.2020.101282 -
Vancouver
Salgado MV da S, Freitas BX de, Pereira VF, Costa AM da S, Chaia N, Nunes CA, Coelho GC, Faria MIST. Processing and characterization of high aluminum multicomponent (Co,Ni)-based superalloys for friction stir welding (FSW) tools [Internet]. Materials Today Communications. 2020 ;25( art. 101282): 1-7.[citado 2025 dez. 30 ] Available from: https://doi.org/10.1016/j.mtcomm.2020.101282 - High-Temperature Oxidation Behavior of High-Aluminum (Co,Ni)-Based Superalloys for Friction Stir Welding (FSW) Tools
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Informações sobre o DOI: 10.1016/j.mtcomm.2020.101282 (Fonte: oaDOI API)
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