Metrological Assurance of Measurement of Hydrogen Concentration in Metals – a Basis for Safety in the Oil and Gas Industry

It is demonstrated that metal properties depend strongly on both hydrogen concentration, and on its redistribution with respect to bonding energy. According to accident statistics presence of hydrogen within metal is in many cases the main reason for metal structure breakdown with occurrence of inte...

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Veröffentlicht in:	Measurement techniques 2013-06, Vol.56 (3), p.328-333
Hauptverfasser:	Polyanskii, A. M., Polyanskii, V. A., Yakovlev, Yu. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Analytical Chemistry Bonding Breakdown Characterization and Evaluation of Materials Degassing of metals Hydrogen Measurement Measurement Science and Instrumentation Metals Metrology Monitoring Natural gas Physical Chemistry Physics Physics and Astronomy Residual stress Statistics Stress concentration
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Beschreibung
Zusammenfassung:	It is demonstrated that metal properties depend strongly on both hydrogen concentration, and on its redistribution with respect to bonding energy. According to accident statistics presence of hydrogen within metal is in many cases the main reason for metal structure breakdown with occurrence of internal stresses. It is concluded that the lack of a single metrological hydrogen concentration measurement system makes it impossible to introduce extensively an effective and reliable method for production monitoring and accident prevention.
ISSN:	0543-1972 1573-8906
DOI:	10.1007/s11018-013-0204-3