Paper Title:
A New Method to Determine the Activation Energy for Hydrogen Desorption from Steels
  Abstract

A new method has been developed to determine the activation energy for hydrogen desorption from steels by means of thermal desorption spectrometry (TDS). This method directly fits the Kissinger’s reaction kinetic formula dX/dt=A(1-X)exp(-Ed/RT) to experimentally measured thermal desorption spectrum and best fit yields the activation energy (Ed) and the value of constant A. It has been proven that this new method is applicable to precise measurement of the activation energy for hydrogen desorption from incoherent TiC particle, coherent TiC precipitate, grain boundary and dislocation in 0.05C-0.20Ti-2.0Ni and 0.42C-0.30Ti steels.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
229-232
DOI
10.4028/www.scientific.net/MSF.475-479.229
Citation
F. G. Wei, K. Tsuzaki, T. Hara, "A New Method to Determine the Activation Energy for Hydrogen Desorption from Steels", Materials Science Forum, Vols. 475-479, pp. 229-232, 2005
Online since
January 2005
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$32.00
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