10.6084/m9.figshare.6151403.v1 Sergio Neves Monteiro Sergio Neves Monteiro Artur Camposo Pereira Artur Camposo Pereira Fábio de Oliveira Braga Fábio de Oliveira Braga Eduardo de Sousa Lima Eduardo de Sousa Lima Carlos Luis Ferreira Carlos Luis Ferreira Relevance of Dynamic Strain Aging under Quasi-Static Tension on AISI 304 Stainless Steel SciELO journals 2018 Dynamic strain aging austenitic stainless steel work hardening 2018-04-18 02:43:29 Dataset https://scielo.figshare.com/articles/dataset/Relevance_of_Dynamic_Strain_Aging_under_Quasi-Static_Tension_on_AISI_304_Stainless_Steel/6151403 <div><p>The interval of existence of dynamic strain aging (DSA) in AISI type 304 austenitic stainless steel subjected to quasi-static tension tests, under strain rates from 3.5 x 10-2 to 3.5 x 10-4 s-1, in the temperature range from 25 to 800ºC was investigated. It was found that DSA occurs in the range extending from around 200 to 700ºC. Plastic instabilities associated with serrations, Portevin-Chatelier effect, allowed activation energies to be calculated and a possible mechanism of dislocation interaction with interstitial carbon atoms to be proposed. Significant increase in the ultimate strength, uniform elongation and work hardening demonstrate that DSA is a relevant phenomenon, which improves the high temperature mechanical properties of 304 steel.</p></div>