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Keywords: sour environment
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Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17778
... the initiation and propagation path of fatigue cracks in a specimen tested in mild sour environment at a stress range of 276 MPa Typical fracture surfaces for air and mild sour environmental tests are shown in Figures 11-a) and 11-b) respectively. Multiple initiation sites were observed. The specimens tested...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17998
... analysis has been performed on the tube material of UNS S32750 and the specimens after the SSRT in a sour environment in pH 2.8, pH 3.5 at 80 °C. Scanning electron microscope (SEM) equipped by energy-dispersive X-ray spectrometer (EDS) analysis and Electron backscatter diffraction (EBSD) measurements have...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-18029
... was evaluated by slow strain rate (SSR) testing and proof ring testing in sour environments similar to those used for the wrought Alloy 718 150K ballot for NACE MR0175/ISO 15156. The resistance to stress corrosion cracking (SCC) and galvanically induced hydrogen stress cracking (GHSC) were investigated...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17966
... UNS N06985 has been extensively used for OCTG (Oil Country Tubular Goods). The SCC initiation has been studied in Cl-H 2 S-CO 2 containing sour environments; and the SCC resistance was often evaluated using slow strain rate testing (SSRT) for screening by short-term testing and using tensile or C...

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