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

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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.

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Periodical:

Defect and Diffusion Forum (Volume 329)

Pages:

45-53

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.329.45

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Online since:

July 2012

Authors:

Amjad Saleh El-Amoush

Keywords:

Hydrogen, Microhardness, Tin Brass Heat Exchanger

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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