Paper Title:
Annealing Behaviour of Ferritic HT-9 Steel
  Abstract

Annealing behaviour of ferritic HT-9 stainless steel plates was investigated through evolution of microstructural, textural and mechanical properties. Microstructural observations showed two important findings: (a) abnormal grain growth occurs at higher annealing temperatures, (b) drop in in-grain misorientation with increasing annealing temperature. However, textural results showed an increase in texturing till 500oC annealing and a clear drop in texturing beyond 500oC annealing. The strength (both yield and tensile) decreased with increase in testing temperature and the micro-hardness values decreased with increase in annealing temperature. Dynamic strain ageing was observed at certain strain rates and testing temperatures. The onset of the serrated yielding at low temperature limit estimated from the strain rate-temperature plot was found out to be ~ 94kJ/mol identifiable with that for migration of C and N.

  Info
Periodical
Materials Science Forum (Volumes 702-703)
Chapter
Chapter 6: Materials
Edited by
Asim Tewari, Satyam Suwas, Dinesh Srivastava, Indradev Samajdar and Arunansu Haldar
Pages
794-797
DOI
10.4028/www.scientific.net/MSF.702-703.794
Citation
S. K. Sahoo, V.N. Gaffney, A. Chatterjee, K. L. Murty, "Annealing Behaviour of Ferritic HT-9 Steel", Materials Science Forum, Vols. 702-703, pp. 794-797, 2012
Online since
December 2011
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Price
$32.00
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