Title of article
Effect of boron on the hot ductility of 2.25Cr1Mo steel
Author/Authors
Song، نويسنده , , S.-H. and Guo، نويسنده , , A.-M. and Shen، نويسنده , , D.-D. and Yuan، نويسنده , , Z.-X. and Liu، نويسنده , , J. and Xu، نويسنده , , T.-D.، نويسنده ,
Pages
5
From page
96
To page
100
Abstract
The effect of boron on the hot ductility of 2.25Cr1Mo steel is investigated by means of a Gleeble 2000 thermomechanical simulator. There is a trough in the hot ductility–temperature curve, which is located between 1000 and 700 °C. The ductility trough shifts to lower temperatures with increasing boron content and the hot brittle range becomes shallow and narrow. In general, boron may improve the steel hot ductility in that it may retard the formation of pro-eutectoid ferrite and increase grain boundary cohesion. These effects may be related to the segregation of boron to austenite grain boundaries.
Keywords
low-alloy steel , hot ductility , Grain boundary , Segregation
Journal title
Astroparticle Physics
Record number
2062591
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