Effect of Austenitizing Temperature on Formation of Hard Bainite

Kong, Dequn; Liu, Qingsuo; Yuan, Lianjie

doi:10.1007/s11041-014-9779-9

Cited by 8 publications

(1 citation statement)

References 21 publications

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“…Xu et al [ 12 ] recently reported that higher austenitisation temperature can remarkably accelerate isothermal bainitic transformation in medium-C superbainite steel. Wu et al [ 13 ] and Kong et al [ 14 ] revealed that coarse austenite grain size obtained by austenitising at high temperature can accelerate isothermal bainitic transformation of high-C superbainitic steel. Wu et al [ 13 ] also found that coarse austenite grain increases the width and length of bainitic ferrite sheaves in high-C superbainitic steel.…”

Section: Introductionmentioning

confidence: 99%

Effect of Austenitising Temperature on Mechanical Properties of Nanostructured Bainitic Steel

Zhao

et al. 2017

Materials

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Nanostructured bainite was obtained in high-carbon Si-Al-rich steel by low-temperature (220–260 °C) isothermal transformation after austenitisation at different temperatures (900 °C, 1000 °C, and 1150 °C). Improved strength-ductility-toughness balance was achieved in the nanostructured bainitic steel austenitised at low temperatures (900 °C and 1000 °C). Increasing the austenitising temperature not only coarsened prior austenite grains and bainite packets, but also increased the size and fraction of blocky retained austenite. High austenitising temperature (1150 °C) remarkably decreased ductility and impact toughness, but had a small effect on strength and hardness.

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