Formation of bubbles by hydrogen attack and elastic-plastic deformation of the matrix

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F14%3A00435039" target="_blank" >RIV/68081723:_____/14:00435039 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.ijplas.2013.10.007" target="_blank" >http://dx.doi.org/10.1016/j.ijplas.2013.10.007</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ijplas.2013.10.007" target="_blank" >10.1016/j.ijplas.2013.10.007</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Formation of bubbles by hydrogen attack and elastic-plastic deformation of the matrix

Popis výsledku v původním jazyce

Steel pipes used in oil industry are subjected to environmental conditions, which may provoke generation of atomic hydrogen at their surface by electro-chemical processes. A part of the atomic hydrogen recombines to molecules and the remaining part enters the bulk of the pipe and causes the well known hydrogen attack with several negative effects. One of them is the formation and growth of bubbles. Hydrogen atoms diffuse in steel to the surface of the bubbles, they recombine there to gas molecules and increase the gas pressure in the bubbles. The pressure may then reach a value sufficient for the growth of the bubbles by elastic or elastic-plastic deformation of the matrix. The problem of kinetics of bubble formation and growth nucleated at an inclusion is treated by a thermodynamic model combining diffusion of hydrogen from the system surface to the bubble surface with the growth of the bubble by elastic or elastic-plastic deformation of the matrix. The processes are driven by the rel

Název v anglickém jazyce

Formation of bubbles by hydrogen attack and elastic-plastic deformation of the matrix

Popis výsledku anglicky

Steel pipes used in oil industry are subjected to environmental conditions, which may provoke generation of atomic hydrogen at their surface by electro-chemical processes. A part of the atomic hydrogen recombines to molecules and the remaining part enters the bulk of the pipe and causes the well known hydrogen attack with several negative effects. One of them is the formation and growth of bubbles. Hydrogen atoms diffuse in steel to the surface of the bubbles, they recombine there to gas molecules and increase the gas pressure in the bubbles. The pressure may then reach a value sufficient for the growth of the bubbles by elastic or elastic-plastic deformation of the matrix. The problem of kinetics of bubble formation and growth nucleated at an inclusion is treated by a thermodynamic model combining diffusion of hydrogen from the system surface to the bubble surface with the growth of the bubble by elastic or elastic-plastic deformation of the matrix. The processes are driven by the rel

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BJ - Termodynamika

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

International Journal of Plasticity

ISSN

0749-6419

e-ISSN

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Svazek periodika

63

Číslo periodika v rámci svazku

DEC

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

14

Strana od-do

110-123

Kód UT WoS článku

000342873100007

EID výsledku v databázi Scopus

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