... CP. hydrogen embrittlement environmental assisted cracking HISC fracture mechanics cathodic protection Oil & Gas Subsea production fasteners riser bolts INTRODUCTION Characterizing Hydrogen Embrittlement Susceptibility - Methodology Overview Materials properties that are used in specific...

..., of the predicted number of crack growth cycles, to available experimental test results was achieved. Galvanic Corrosion Atmospheric Exposure Measurements Corrosion Pitting Fracture Mechanics Computational Modelling INTRODUCTION There is an urgent industry need to include the effects of existing corrosion...

... steels. A ductile tearing analysis uses a rigorous fracture mechanics approach where the fracture tearing resistance is defined as a function of the amount of stable ductile tearing, typically available in the form of J-Resistance (J_R) curves. A series of assessments are generated...

.../dt_pit). One researcher has expanded on this idea and introduced a powerful approach based on the corrosion modified equivalent initial flaw size (CM-EIFS) that uses linear elastic fracture mechanics (LEFM) to quantify the reduction in fatigue life due to corrosion [ 3 ]. Abstract Although computational...

... of error of the intersection between material quality, design factors and the effect of the challenging environments of Oil & Gas subsea drilling and production operations. hydrogen embrittlement environmental assisted cracking HISC fracture mechanics cathodic protection Oil & Gas Subsea...

... in environments that contain H2S. In the last 25 years, linear-elastic fracture mechanics has been used to understand both the mechanistic aspects of this form of cracking and to quantify the susceptibility to SSC of different OCTG steel grades. This paper presents a review on the evolution of the Double...

... in the steel must be considered. Fracture mechanics sulfide stress corrosion cracking brine strength threshold stress intensity notch tensile tests INTRODUCTION The sulfide stress corrosion cracking (SSCC) of high strength steels with low alloy content, used in well completion, has been a problem of major...

...SCC metallography crack measurement NDE T-test fracture mechanics Phased Array UT TOFD Full Matrix Capture VERIFICATION AND DESTRUCTING TESTING The destructive testing and measurement of crack depths begins by reviewing the NDE results and selecting the most common points of maximum depth...

... and solubility laws measurements associated to different kinds of mechanical tests. 2¼Cr-1Mo 2¼Cr-1Mo-V Hydrogen Diffusion Hydrogen Solubility Trapping Effect Gaseous Hydrogen Aqueous Hydrogen Cathodic Charging Tensile Test Charpy-V Notched Tests Fracture Mechanics INTRODUCTION AND BACKGROUND Heavy...

... of results to better understand and design reliable methods to design effective repairs. energy release rate composite repair fracture mechanics blister test interfacial fracture layered materials infrastructure repair corrosion The blister tests consist of repairing various size through wall circular...

... stress cracking sulfide fracture toughness temperature-reduction factor fracture mechanics double-cantilever-beam test DCB test edge cracking NACE TM0177-96 TM0177-2005 API API-5CT ISO-15156 INTRODUCTION The oil and gas industry seeks to improve the efficiency of upstream production...

...mini-pipe miniature testing H₂S three-dimensional small-scale hydrogen gradient combined load test tension-pressure test high pressure full-scale fracture mechanics DCB NACE-A NACE-D THE PURPOSE OF DOING THREE-DIMENSIONAL MINI-PIPE TESTING The mini-pipe testing is intended...

... ]. INTRODUCTION Anti-Corrosive Performance Tests Thermal Cycling Freeze Step Fracture Mechanics Abstract Protective coating corrosion failure is a complicated process that involves various phenomena which are hard to test for separately. An adequately protected pipe can be in service for a relatively long...

...Abstract The objective of this study is to characterize stress-corrosion cracking in the Ni-based alloys 625 and 617 during exposure to environments encountered in the batch supercritical water oxidation cycle. A fracture-mechanics approach was applied to quantify the stress-corrosion cracking...

... Sulfide Stress Cracking Hydrogen Embrittlement Sour Service Sour Service Testing Fracture Mechanics Amine Flash Drum Blistering DCB Full Ring Test INTRODUCTION The impact of hydrogen on steel is important to the oil industry because steel is the most widely used material of construction. When...

... grain flow rotary piercing Mannesmann mill twist angle homogenization casing coupling stock modified 4130 steel C-90 T-95 C-100 C-110 C-125 Q-125 hydrogen sulfide sour gas deep sour-gas wells corrosion fracture mechanics double-cantilever-beam test DCB test corrosion sulfide stress...

...) and not microstructure (i.e., the presence of ferrite), per se. AISI 304 stainless steel gallium mechanical properties fracture mechanics The fracture properties of 316 L SS (UNS S31603) compact tension (CT) specimens alloyed by Ga₂O-gas or Ga-liquid exposure were subsequently examined. ⁸...

... quantitatively, fracture mechanics is generally employed. Although sustained load tests were carried out using notched bar specimens previously ³ , a fracture mechanics-based study was yet to be conducted for HSC in regions of mechanical damage in pipelines. Abstract Crack tip opening displacement...

...-wall turbulence elements above critical flow intensities which are expressed in terms of critical wall shear stresses. The boundary conditions for turbulence induced growth of a microcrack in the scale are verified with measured fracture mechanics data of iron carbonate scales from CO₂...

... carbonate scale. This information is used with existing theory for the fracture mechanics of corrosion product scales to understand the destruction of corrosion byproduct layers under conditions of high shear. molecular modeling fracture mechanics carbon dioxide quaternary amine corrosion inhibition...