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Static and impact-dynamic characterization of multiphase TRIP steels

(2010) Materials Science Forum. 638-642. p.3585-3590
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Abstract
In this study, results are presented of an extensive experimental program to investigate the strain rate dependent mechanical properties of various Transformation Induced Plasticity (TRIP) steel grades. A split Hopkinson tensile bar setup was used for the high strain rate experiments and microstructural observation techniques such as LOM, SEM and EBSD revealed the mechanisms governing the observed behavior. With elevated testing temperatures and interrupted tensile experiments the material behavior and the austenite to martensite transformation is investigated. In dynamic conditions, the strain rate has limited influence on the material properties. Yet an important increase is noticed when comparing static to dynamic conditions. The differences in strength, elongation and energy absorption levels observed between the investigated materials can be attributed to their chemical composition. Adiabatic heating during high strain rate deformation tends to slow down the strain induced martensitic deformation. The elongation of the ferritic and austenite constituents is found to be strain rate dependent and the strain induced martensitic transformation occurs gradually in the material.
Keywords
split Hopkinson bar, adiabatic heating, TRIP steel, interrupted experiments, elevated test temperatures, High strain rate behavior, EBSD

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Chicago
Van Slycken, Joost, Jérémie Bouquerel, Patricia Verleysen, Kim Verbeken, Joris Degrieck, and Yvan Houbaert. 2010. “Static and Impact-dynamic Characterization of Multiphase TRIP Steels.” In Materials Science Forum, ed. T Chandra, N Wanderka, W Reimers, and M Ionescu, 638-642:3585–3590. Stafa-Zürich, Switzerland: Trans Tech.
APA
Van Slycken, Joost, Bouquerel, J., Verleysen, P., Verbeken, K., Degrieck, J., & Houbaert, Y. (2010). Static and impact-dynamic characterization of multiphase TRIP steels. In T. Chandra, N. Wanderka, W. Reimers, & M. Ionescu (Eds.), Materials Science Forum (Vol. 638–642, pp. 3585–3590). Presented at the 6th International conference on Processing and Manufacturing of Advanced Materials (THERMEC 2009), Stafa-Zürich, Switzerland: Trans Tech.
Vancouver
1.
Van Slycken J, Bouquerel J, Verleysen P, Verbeken K, Degrieck J, Houbaert Y. Static and impact-dynamic characterization of multiphase TRIP steels. In: Chandra T, Wanderka N, Reimers W, Ionescu M, editors. Materials Science Forum. Stafa-Zürich, Switzerland: Trans Tech; 2010. p. 3585–90.
MLA
Van Slycken, Joost, Jérémie Bouquerel, Patricia Verleysen, et al. “Static and Impact-dynamic Characterization of Multiphase TRIP Steels.” Materials Science Forum. Ed. T Chandra et al. Vol. 638–642. Stafa-Zürich, Switzerland: Trans Tech, 2010. 3585–3590. Print.
@inproceedings{1029845,
  abstract     = {In this study, results are presented of an extensive experimental program to investigate the strain rate dependent mechanical properties of various Transformation Induced Plasticity (TRIP) steel grades. A split Hopkinson tensile bar setup was used for the high strain rate experiments and microstructural observation techniques such as LOM, SEM and EBSD revealed the mechanisms governing the observed behavior. With elevated testing temperatures and interrupted tensile experiments the material behavior and the austenite to martensite transformation is investigated. In dynamic conditions, the strain rate has limited influence on the material properties. Yet an important increase is noticed when comparing static to dynamic conditions. The differences in strength, elongation and energy absorption levels observed between the investigated materials can be attributed to their chemical composition. Adiabatic heating during high strain rate deformation tends to slow down the strain induced martensitic deformation. The elongation of the ferritic and austenite constituents is found to be strain rate dependent and the strain induced martensitic transformation occurs gradually in the material.},
  author       = {Van Slycken, Joost and Bouquerel, J{\'e}r{\'e}mie and Verleysen, Patricia and Verbeken, Kim and Degrieck, Joris and Houbaert, Yvan},
  booktitle    = {Materials Science Forum},
  editor       = {Chandra, T and Wanderka, N and Reimers, W and Ionescu, M},
  issn         = {0255-5476},
  keyword      = {split Hopkinson bar,adiabatic heating,TRIP steel,interrupted experiments,elevated test temperatures,High strain rate behavior,EBSD},
  language     = {eng},
  location     = {Berlin, Germany},
  pages        = {3585--3590},
  publisher    = {Trans Tech},
  title        = {Static and impact-dynamic characterization of multiphase TRIP steels},
  url          = {http://dx.doi.org/10.4028/www.scientific.net/MSF.638-642.3585},
  volume       = {638-642},
  year         = {2010},
}

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