...Microstructure Metallography Replication FMR Sigma phase embrittlement stress relaxation cracking creep INTRODUCTION Abstract During plant shutdown maintenance, some components cannot be removed out of service immediately for metallurgical examination due to high cost involved and loss...

... compatibility. Using advanced Positive Material Identification (PMI) device to verify the chemical composition of the received material, results show that the material is questionable. As a precise test to verify heat treatment condition, microstructure analysis test (metallography) conducted to confirm...

...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...

...^-]). Through this investigation, the knockdown in 316L SS sour service limits due to cold-work was evaluated. SCC pitting cold work chloride austenitic stainless steel metallography INTRODUCTION Type 316L (UNS ^(*) S31603) austenitic stainless steel (SS) is a low cost, corrosion resistant...

... selective phase corrosion seawater metallography electrochemical technique Early research focused on the study of the mechanism of SPC of the NAB castings [ 3 - 5 ]. Local pH on the NAB castings appeared to have a major effect on the mechanism of SPC. Rowlands [ 5 ] observed through crevice corrosion...

... Stainless Steel Dye Penetrant Scanning Electron Microscope Vacuum Metallography INTRODUCTION Tensile stresses are an integral ingredient for stress corrosion cracking. The main point of this paper is to point out that ECSCC may appear different at a vacuum stiffening ring than it does with a column...

... (SCC) Localized Corrosion Metallography Fractography INTRODUCTION Disposal of nuclear waste poses a severe challenge to all nuclear power generating nations. Significant efforts are ongoing to dispose of high-level radioactive waste (HLW) and spent-nuclear-fuel (SNF) in a geologic repository...

... in the boiler feed water. Nondestructive testing, which included two ultrasonic techniques, radiography, and visual inspection with a borescope, was not particularly successful for detecting SAC. stress-assisted corrosion SAC waterside penetration recovery boiler borescope mild steel tubing metallography...

...   C.L. , et al (Editors), The Royal Society of Chemistry , Special Publication   183 , 1996 . galvanizing reinforcement concrete corrosion alloy layers metallography scanning microscopy x-ray analysis corrosion products mobility corrosion model INTRODUCTION The use of a hot dip zinc...

... histories are presented where these techniques are utilized in root cause failure analysis. underdeposit corrosion failure analysis SEM EDAX metallography caustic attack INTRODUCTION Tube failures in industrial boiler equipment represent a significant cost to manufacturing industries. It is important...

... & failure analysis at laboratory have been carried out. Present study depicts technical details of transient/steady state stray current sources, AC switching & lightning surges, distorted anodic gradient and foreign anode bed proximity effects. metallography tafel plot energy dispersive spectroscopy...