2008
DOI: 10.1007/s11661-008-9605-3
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Static Strain Aging of Microstructural Constituents in Transformation-Induced-Plasticity Steel

Abstract: A pronounced difference in static strain aging was observed between unstrained and prestrained low-alloy multiphase transformation-induced-plasticity (TRIP) steel. High bake-hardening (BH) values were obtained for prestrained TRIP steel. This aging behavior was shown to be directly related to the multiphase microstructure, by analyzing static strain aging in the ferrite and bainite separately. The ferrite in TRIP steel exhibits very limited strain aging, due to the Cottrell atmosphere formation. The bainite co… Show more

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Cited by 37 publications
(30 citation statements)
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“…Limited data showed that the bake hardening behavior of the TRIP steels depend on the processing methods and on the phase morphologies/ fractions resulting from their chemical compositions. [34,[37][38][39] It was proposed that the bake hardening behavior is associated with the changes of the dislocation substructure in the polygonal ferrite matrix. [30][31][32][33][34]37,38] However, the information on the bake hardening mechanism for the TRIP steels having a predominantly bainite matrix with a high dislocation density rather than a polygonal ferrite one is limited.…”
mentioning
confidence: 99%
“…Limited data showed that the bake hardening behavior of the TRIP steels depend on the processing methods and on the phase morphologies/ fractions resulting from their chemical compositions. [34,[37][38][39] It was proposed that the bake hardening behavior is associated with the changes of the dislocation substructure in the polygonal ferrite matrix. [30][31][32][33][34]37,38] However, the information on the bake hardening mechanism for the TRIP steels having a predominantly bainite matrix with a high dislocation density rather than a polygonal ferrite one is limited.…”
mentioning
confidence: 99%
“…Rodolfo Lisboa Batalha 1 , Leonardo Barbosa Godefroid 1 , Geraldo Lúcio de Faria 1 , Rodrigo Rangel Porcaro 1 , Luiz Cláudio Cândido 1 , Vicente Braz Trindade 1 como seus efeitos nas propriedades mecânicas desses aços [1][2][3][4][5][6][7]9]. Entretanto, poucos trabalhos consideraram a ocorrência do fenômeno em juntas soldadas.…”
Section: Envelhecimento Por Deformação Em Juntas Soldadas De Tubos Deunclassified
“…Já os elementos microligantes, como Nb, Ti e V, são responsáveis pela formação de carbonetos na microestrutura do metal de solda [21][22][23]. Dessa forma, assim como no metal base e na ZTA, deve-se considerar a participação desses carbonetos nos mecanismos responsáveis pelo fenômeno de envelhecimento por deformação das juntas soldadas [4][5][6][7][8][9][10]. …”
Section: Análise Químicaunclassified
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