SYMPOSIA PAPER Published: 01 January 1970

Transformation Kinetics of Thermomechanically Worked Austenite by Deformation Dilatometry


A method was developed for monitoring the continuous cooling transformation of thermomechanically worked austenite by dilatometry. A commercially available, induction-heated, gas-quenching dilatometer was modified by the addition of a compression device that permitted the deformation of dilatometer specimens at high temperature. Continuous cooling transformation data were obtained on undeformed and thermomechanically worked specimens of a 0.1C-0.4Mo-B structural steel. The results clearly indicate the need for data on transformation kinetics in the selection of steel compositions for processing by thermomechanical working schedules.

Author Information

Smith, YE
ASTM, Ann Arbor, Mich.
Siebert, CA
ASTM, Ann Arbor, Mich.
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Developed by Committee: E04
Pages: 131–150
DOI: 10.1520/STP32078S
ISBN-EB: 978-0-8031-4591-7
ISBN-13: 978-0-8031-0747-2