An in-situ probe technique with an outward attached type of electrochemical sensor for inspec- tion and evaluation of the susceptibility to sulfide stress corrosion cracking (SSCC) and hydrogen embrittlement (HE) of p...An in-situ probe technique with an outward attached type of electrochemical sensor for inspec- tion and evaluation of the susceptibility to sulfide stress corrosion cracking (SSCC) and hydrogen embrittlement (HE) of pipeline/vessel was developed. The relationship between SSCC/HE sus- ceptibility of steel UNS G10180 and UNS G11190 and Ih was determined by the measurement of the stable hydrogen permeation rate (IH) and the study of SSCC/HE susceptibility of the above two steels in TM-01-77 solution. Environmental sensitive cracking (ESC) of UNS G10180 and UNS G11190 steels can be inspected, evaluated, judged by the combination with the mi- crocomputer system (MCS)/periphery attachment and the designed software. The results give an important insurance for safety control of the pressurized pipeline/vessel operated in the en- vironment with H2S.展开更多
基金The financial support from“973”Project(Grant No.G1999065004)is gratefully acknowledged.
文摘An in-situ probe technique with an outward attached type of electrochemical sensor for inspec- tion and evaluation of the susceptibility to sulfide stress corrosion cracking (SSCC) and hydrogen embrittlement (HE) of pipeline/vessel was developed. The relationship between SSCC/HE sus- ceptibility of steel UNS G10180 and UNS G11190 and Ih was determined by the measurement of the stable hydrogen permeation rate (IH) and the study of SSCC/HE susceptibility of the above two steels in TM-01-77 solution. Environmental sensitive cracking (ESC) of UNS G10180 and UNS G11190 steels can be inspected, evaluated, judged by the combination with the mi- crocomputer system (MCS)/periphery attachment and the designed software. The results give an important insurance for safety control of the pressurized pipeline/vessel operated in the en- vironment with H2S.