Journal of Materials Science

, Volume 42, Issue 4, pp 1309–1320 | Cite as

Factors affecting prior austenite grain size in low alloy steel

Article

Abstract

The effect of varying normalising and hardening temperatures on the prior austenite grain size in a low alloy Cr–Mo–Ni–V steel has been examined. An initial relative insensitivity of grain size to increasing austenitising temperature was observed followed by a sudden growth of grains at approximately 1000 °C. A detailed study of the precipitates in the steel showed the presence of a bimodal size distribution of vanadium carbides. The grain size increase is attributed to a decrease in volume fraction and an increase in size of V4C3 particles with increasing temperature.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringUniversity of Applied Science of West MacedoniaKozaniGreece
  2. 2.Materials Science CentreUniversity of ManchesterManchesterUK

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