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Keywords: stress oriented hydrogen induced cracking
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Proceedings Papers

... steels, which could be sensitive to wet H2S cracking. Hydrogen sulfide is responsible for numerous embrittlement phenomena in steels, such as Hydrogen Induced Cracking (HIC), Sulfide Stress Cracking (SSC), and Stress Oriented Hydrogen Induced Cracking (SOHIC). Some parameters influence Carbon...
Proceedings Papers

...Abstract During the last 20 years, pressure vessel steels with improved Hydrogen Induced Cracking (HIC) resistance have been developed for H2S environments in oil and gas and refinery equipments. More recently, Stress Oriented Hydrogen Induced Cracking (SOHIC) became a question of great...
Proceedings Papers

... stress oriented hydrogen induced cracking SOHIC hydrogen sulfide hydrogen permeation INTRODUCTION SOHIC is a type of hydrogen induced stress corrosion cracking of low strength steel with the typical pattern of staggered small cracks formed approximately perpendicular to the principal stress (applied...
Proceedings Papers

... blistering, (2) hydrogen induced cracking (HIC), (3) stress oriented hydrogen induced cracking (SOHIC) and (4) sulfide stress cracking (SSC). It also attempts to differentiate these forms of hydrogen-related environmental cracking (EC) from other forms of EC such as stress corrosion cracking (SCC...
Proceedings Papers

... blistering, hydrogen induced cracking (HIC) and stress oriented hydrogen induced cracking (SOHIC) of carbon steels used in refinery vessels in wet H2S service and pipelines containing sour (H2S-containing) fluids. In recent years, new stainless alloys have been implemented in lieu...
Proceedings Papers

... which highlights these particular aspects of the DB test specimen relative to other standard test specimens per NACE TM0177 and TM0284 and for a round robin testing program using the DB specimen. stress oriented hydrogen induced cracking hydrogen induced cracking SOHIC HIC hydrogen sulfide test...
Proceedings Papers

... in an increase in the susceptibility to SOHIC [ 4 ]. Abstract An investigation was conducted to gain insight on the fracture resistance of carbon steels used in refinery service containing stress oriented hydrogen induced cracking (SOHIC) damage. The investigation included: (1) the development of SOHIC damage...