Abstract
In sequel to our recent report,[1] we demonstrate in this article the effect of chemistry on nonisothermal tempering and softening behavior of dual-phase steels. The martensite morphology and tempered structure were analyzed using electron microscopy. Electron energy loss spectrometry and energy-dispersive X-ray spectroscopy were used for a compositional analysis. It was observed that characteristic of the tempered structure in dual-phase (DP) steels was a function of prior martensite structure and chemistry, which in turn influence the extent of softening.
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The authors acknowledge support from Auto21 (Network of Centres for Excellence, Canada), The Initiative for Automotive Manufacturing Innovation (IAMI), ArcelorMittal Dofasco, International Zinc Association (IZA), and Huys Industries in Canada. V.H. Baltazar Hernandez acknowledges the support from CONACYT Mexico and the Autonomous University of Zacatecas Mexico.
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Nayak, S.S., Baltazar Hernandez, V.H. & Zhou, Y. Effect of Chemistry on Nonisothermal Tempering and Softening of Dual-Phase Steels. Metall Mater Trans A 42, 3242–3248 (2011). https://doi.org/10.1007/s11661-011-0868-8
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DOI: https://doi.org/10.1007/s11661-011-0868-8