Paper Title:

Effect of Hydrogen on the Microhardness of Tin Brass Heat Exchanger Tube

Periodical Defect and Diffusion Forum (Volume 329)
Main Theme Dislocation Reactions and Stacking-Fault Energies
Edited by D.J. Fisher
Pages 45-53
DOI 10.4028/www.scientific.net/DDF.329.45
Citation Amjad Saleh El-Amoush, 2012, Defect and Diffusion Forum, 329, 45
Online since July, 2012
Authors Amjad Saleh El-Amoush
Keywords Hydrogen, Micro-Hardness, Tin Brass Heat Exchanger
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Abstract

Tin Brass Heat Exchanger Tube Was Hydrogen-Charged under Various Cathodic Charging Conditions. the Introduction of Charged Hydrogen into Tin Brass Tube Was Found to Induce Hardening of its Surface. the Severity and the Depth of the Hardened Region Was Observed to Increase with either Cathodic Current Density or Charging Time. Ageing after Charging Results in either Complete or Partial Recovery of Hardness, Depending upon the Charging Conditions Applied to the Heat Exchanger Tube.