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http://repositorio.ufc.br/handle/riufc/66927| Type: | Artigo de Periódico |
| Title: | Microstructural, magnetic and mechanical property changes in an AISI 444 stainless steel aged in the 560 °C to 800 °C range |
| Authors: | Tavares, Sérgio Souto Maior Souza, José Adailson de Herculano, Luís Flávio Gaspar Abreu, Hamilton Ferreira Gomes de Souza Júnior, Carlos Marley de |
| Keywords: | Ferritic stainless steel;Aging;AISI 444 |
| Issue Date: | 2008 |
| Publisher: | Materials Characterization |
| Citation: | TAVARES, S.S.M. et al. Microstructural, magnetic and mechanical property changes in an AISI 444 stainless steel aged in the 560 °C to 800 °C range. Materials Characterization, [s.l.], v. 59, n. 2, p. 112-116, 2008. |
| Abstract: | AISI 444 steel is an 18Cr–2Mo ferritic stainless steel, containing Ti and Nb as stabilizing elements. The effects of aging in the 560–800 °C range on the microstructure, mechanical and magnetic properties were investigated. The material was not susceptible to sigma phase formation until 100 h of exposure. Slight hardening at 560 °C and progressive softening in the 650 °C–800 °C range were observed. At these temperatures, Mo-rich phases such as Fe2Mo and FeMoSi precipitate. The increase of particle sizes with the increase of temperature above 650 °C is responsible for the decrease of hardness. Precipitation of the Mo-rich phases increases the coercive force. |
| URI: | http://www.repositorio.ufc.br/handle/riufc/66927 |
| ISSN: | 1044-5803 |
| Appears in Collections: | DEMM - Artigos publicados em revista científica |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2008_art_ssmtavares.pdf | 1,04 MB | Adobe PDF | View/Open |
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