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Thermomechanical processing effects on C−Mn−Si TRIP steels

  • Retained Austenite in Steel
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Abstract

A variety of thermomechanical-processing treatments were performed on a niobium microalloyed and a nonmicroalloyed Si−Mn transformation-induced plasticity steel to generate different austenite conditions (i.e., dynamic and static recrystallization and pancaking) prior to transformation. These were, in turn, subjected to different transformation schedules to generate a variety of microstructures and mechanical properties. The various thermomechanical processing and transformation conditions led to structures with a relatively small variation in ultimate tensile strength, but tensile elongations to fracture from about 20% to 60%.

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Authors
  1. S. Yue
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  2. A. DiChiro
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  3. A. Zarei-Hanzaki
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Additional information

Authors' Note: Any reference to austenite (as opposed to retained austenite) refers only to austenite at elevated temperatures (i.e., during thermomechanical processing) and does not include retained austenite.

S. Yue earned his Ph.D. in metallurgy from Leeds University in 1976. He is currently a Canadian Steel Industry Research Association Professor at McGill University. Dr. Yue is also a member of TMS.

A. DiChiro earned his M.Eng. in metallurgical engineering from McGill University in 1997. He is currently an engineer at Bombardier/Canadair. Mr. DiChiro is also a member of TMS.

A. Zarei-Hanzaki earned his Ph.D. in metallurgical engineering from McGill University in 1994. He is currently a professor at the University of Tehran.

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Yue, S., DiChiro, A. & Zarei-Hanzaki, A. Thermomechanical processing effects on C−Mn−Si TRIP steels. JOM 49, 59–61 (1997). https://doi.org/10.1007/BF02914353

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  • DOI: https://doi.org/10.1007/BF02914353

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