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The effect of hot deformation parameters on grain size refinement in a martensitic stainless steel
dc.contributor.author | Ahmadabadi, R. Mohammadi |
dc.contributor.author | Naderi, M. |
dc.contributor.author | Mohandesi, J. Aghazadeh |
dc.contributor.author | Cabrera Marrero, José M. |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica |
dc.date.accessioned | 2018-02-16T10:33:11Z |
dc.date.issued | 2017-10 |
dc.identifier.citation | Ahmadabadi, R., Naderi, M., Mohandesi, J., Cabrera, J. The effect of hot deformation parameters on grain size refinement in a martensitic stainless steel. "Iranian Journal of Materials Forming", Octubre 2017, vol. 4, núm. 2, p. 25-36. |
dc.identifier.issn | 0042-2383 |
dc.identifier.uri | http://hdl.handle.net/2117/114177 |
dc.description.abstract | The grain size refinement of AISI 422 martensitic stainless steel in the temperature range of 950-1150 ºC was investigated by hot deformation tests. The deformed specimens were held at deformation temperature with delay times of 5 to 300s after achieving a strain of 0.3. The austenite grains exhibit a considerable growth at temperature higher than 1050°C, while the grain coarsening is negligible at lower deformation temperatures. Therefore, it is a difficult task to achieve a fine grain structure at these high deformation temperatures. In the second stage of this work, the grain growth behavior of the deformed alloy at temperature range of 940-1020 ºC was investigated to obtain a fine austenite grain in the final deformation step. A uniform and fine-grain structure, with average grain size less than 30 µm, can be obtained by considering the appropriate temperature and strain per pass. At 1020°C, a relatively fine and uniform recrystallized grain, mean grain size of about 28 µm, is obtained with an applied strain of 0.4, while at 980°C after strain of 0.2 a nearly equiaxed grain with the same mean grain size is achieved. |
dc.format.extent | 12 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria dels materials |
dc.subject.lcsh | Stainless steel |
dc.subject.other | Hot deformation |
dc.subject.other | AISI 422 steel |
dc.subject.other | Grain refinement |
dc.subject.other | Recrystallization process |
dc.title | The effect of hot deformation parameters on grain size refinement in a martensitic stainless steel |
dc.type | Article |
dc.subject.lemac | Acer inoxidable |
dc.contributor.group | Universitat Politècnica de Catalunya. PROCOMAME - Processos de Conformació de Materials Metàl·lics |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 21896263 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Ahmadabadi, R.; Naderi, M.; Mohandesi, J.; Cabrera, J. |
local.citation.publicationName | Iranian Journal of Materials Forming |
local.citation.volume | 4 |
local.citation.number | 2 |
local.citation.startingPage | 25 |
local.citation.endingPage | 36 |
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