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A new method to measure the diffusible hydrogen content in steel weldments using a polymer electrolyte-based hydrogen sensor

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Title A new method to measure the diffusible hydrogen content in steel weldments using a polymer electrolyte-based hydrogen sensor
 
Creator ALBERT, SK
REMASH, C
MURUGESAN, N
GILL, TPS
PERIASWAMI, G
KULKARNI, SD
 
Subject diffusible hydrogen
weld hydrogen
gas chromatography
polymer film
glycerin method
mercury method
hydrogen sensor
 
Description A new technique to measure the diffusible hydrogen content in steel weldments is described. The sensor, developed at the Indira Gandhi Center for Atomic Research, is a conducting polymer film coated with Pd on either side. One side of the sensor was exposed to an argon-hydrogen gas mixture and the other side to air. The current flowing through the sensor was directly proportional to the hydrogen content in the gas mixture. Hydrogen measurements were also carried out by gas chromatography and one to one correspondence between the results from the gas chromatography and the new sensor was obtained. In addition to these results, advantages of the new sensor over presently available methods for measurement of diffusible hydrogen and its limitations are also discussed in this paper.
 
Publisher AMER WELDING SOC
 
Date 2011-07-17T09:14:31Z
2011-12-26T12:50:13Z
2011-12-27T05:36:22Z
2011-07-17T09:14:31Z
2011-12-26T12:50:13Z
2011-12-27T05:36:22Z
1997
 
Type Article
 
Identifier WELDING JOURNAL, 76(7), S251-S255
0043-2296
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4683
http://hdl.handle.net/10054/4683
 
Language en