Abstract
The time to failure of tensile specimens statically loaded in NACE solution (5%NaCl with O·5%CH3COOH saturated with H2S) is often used to characterize materials performance in sour oil or gas environments. However, there has been some concern that the distribution of absorbed hydrogen atoms in these fully immersed (and hence uniformly charged) tensile specimens may be significantly different from that in actual pipelines because, in the latter, hydrogen charging is from one surface (the inner) only. Consequently, prediction of service behaviour from laboratory tests employing full immersion may be uncertain.
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References
1.
Ikeda
A.
,
Iino
M.
,
SHIMUZU
M.
,
SEKI
N.
A. [JIMA : Proc. Conf. on ‘Sour service in the oil, gas and petrochemical industries’, London , December 1985 , Oyez.
2.
Turnbull
A.
and D. II. FERRISS : Proc. Conf. On ‘Prediction of materials performance in plants operating in corrosive environments’, Cranfield , February 1986 , Cranfield Institute of Technology.