Effect of Grain Size and Meso-Texture on the Impact Toughness of Ti-Microalloyed Steel

Abstract:

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Charpy impact testing (over the transition temperature rage) on different samples of a Ti-microalloyed steel, having the same average-TiN particle size but different average-ferrite grain sizes, showed that in spite of the presence of large TiN cuboides, ferrite grain refinement can significantly improve the impact toughness, provided the meso-texture (i.e. the intensity of low-angle boundaries) and matrix strength can be restricted to low values.

Info:

Periodical:

Materials Science Forum (Volumes 702-703)

Edited by:

Asim Tewari, Satyam Suwas, Dinesh Srivastava, Indradev Samajdar and Arunansu Haldar

Pages:

766-769

DOI:

10.4028/www.scientific.net/MSF.702-703.766

Citation:

A. Ray and D. Chakrabarti, "Effect of Grain Size and Meso-Texture on the Impact Toughness of Ti-Microalloyed Steel", Materials Science Forum, Vols. 702-703, pp. 766-769, 2012

Online since:

December 2011

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$35.00

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