..., mechanical, and material factors contributing to failure, and to provide insight into the mechanisms of stress corrosion cracking (SCC) responsible for failure. Site-specific transmission electron microscopy specimens containing crack tips were prepared using focused ion beam. Nanoscale chemical...

... to work by Arioka, et al., ^{6 - 7} for further description. © 2019, NACE International 2019 carbon steel creep hydrogen attack scanning electron microscopy transmission electron microscopy 1. 30% CW carbon steel 0.5 T CT specimen in 360°C air (0 MPa H₂) for 5,029...

...Xiao-xiang Yu; Ahmet Gulec; Katie Lutton Cwalina; John R. Scully; Laurence D. Marks The role of chloride in aqueous corrosion during local oxide destabilization as a precursor to breakdown is investigated by combining transmission electron microscopy, atom probe tomography, and density functional...

... for the fracture surface observation. Transmission electron microscopy (TEM) analysis was also conducted using a JEM-2100F ^† TEM. A focused ion beam was used to cut 2 mm² squares from the specimens for observation. In addition, a JED-2300 ^† energy dispersive x-ray spectrometer...

... of the enhanced H₂ evolution that accompanies anodic dissolution of Mg and its alloys. 12 9 2016 15 2 2017 15 2 2017 © 2017, NACE International 2017 corrosion filaments magnesium alloy transmission electron microscopy The widespread use of lightweight wrought...

... the stable and metastable phase equilibria in certain conditions. The software also predicts the chemical composition changes of a certain phase over a range of temperatures. aluminum alloy heat treatment Kelvin probe microstructure transmission electron microscopy In the modern...

... of misorientation were examined by optical profilometry and transmission electron microscopy, and samples of the grain boundary precipitates were analyzed with energy dispersive x-ray spectroscopy. Low-Σ coincident site lattice boundaries were found to have both fewer carbide precipitates and smaller degrees...

...-containing 6xxx series (Al-Mg-Si) alloys, and Q-phase has not previously been uniquely studied in regard to its influence on localized corrosion in detail. Herein, quasi in situ scanning transmission electron microscopy was utilized in understanding the localized corrosion response associated with nanoscale...

... grain segregation microstructure sensitization transmission electron microscopy As the “baby boom” generation ages and as patients continue to live longer and have more active lives, the demand for hip replacements has risen. Injury and osteoarthritis often result in a patient’s need...

... the relationship between hydrogen entry and the microscopic structure of corrosion products, corrosion products were characterized by focused ion beam scanning electron microscopy and scanning transmission electron microscopy combined with energy dispersive x-ray spectroscopy. The results indicate that hydrogen...

... photoelectron spectroscopy, transmission electron microscopy coupled with energy dispersive spectroscopy, and focused ion beam microscopy. A Cr-rich outer layer formed during the TT process was detected at the surface of the as-received Alloy 690TT specimens. As a result of the greater formation of the Cr-based...

... electrochemical potentiokinetic reactivation duplex stainless steel sensitization spinodal decomposition transmission electron microscopy An advantageous combination of corrosion resistance and mechanical properties is offered by duplex stainless steels (DSS) between −50°C and 250°C. However, between...

... of a family of 6xxx alloys based on a similar Si:Mg ratio. Additionally, the evolution of microstructure in all samples studied was also determined using transmission electron microscopy. The refinement in thickness of precipitates with the addition of Cu was shown to decrease the propensity for metastable...

... mg/m²/day or higher. Rigorous characterization of akaganeite was performed by x-ray diffraction, scanning electron microscopy/energy dispersive spectroscopy, and transmission electron microscopy/selected area electron diffraction. ‡Corresponding author. E-mail: [email protected]...

... resolved with transmission electron microscopy (TEM) in the corroded regions of anodically polarized CP Mg. The AZ31B alloy, nominally containing 3 wt% Al, 1 wt% Zn, and 0.3 wt% Mn, is a commonly used wrought-Mg alloy because of its relatively good strength, ductility, and corrosion resistance. 15...

...Y. Soma; C. Kato; M. Yamamoto Surface oxide layers were formed within crevices of Type 316L (UNS S31603) stainless steels in pure water at 288°C and 8 MPa. Cross-sectional structures of the surface oxides were analyzed using transmission electron microscopy. In the condition of dissolved oxygen...

...) and potentiodynamic polarization (PP) were used. Surface analysis techniques (scanning electron microscopy [SEM], x-ray diffraction [XRD], and transmission electron microscopy [TEM]) were used to confirm the composition and structure of the protective layer. Experimental results confirmed a pseudo-passive behavior...

... October 2009 2 2010 NACE International 2010 corrosion cobalt electrochemical impedance spectroscopy nanocrystalline phosphorous transmission electron microscopy x-ray photoelectron spectroscopy Nanocrystalline materials are polycrystals with an average grain size of less...

... by hydrostatic extrusion (HE) was investigated. Transmission electron microscopy (TEM) was used to examine the structural changes introduced by the HE process. The effects of the surface oxide film on the corrosion resistance of Type 316 stainless steel in a borate buffer + 0.1 M sodium chloride (NaCl) solution...

... partially oxidized to maghemite through a topotactic transformation. Pure magnetite cannot be obtained by this method of synthesis. maghemite magnetite Mössbauer spectroscopy particles scanning electron microscopy synthesis transmission electron microscopy x-ray diffraction Thermodynamic...