A preliminary investigation of the effects of environmentally assisted cracking on natural gas transmission pipelines
| Title: | A preliminary investigation of the effects of environmentally assisted cracking on natural gas transmission pipelines |
| Author: | Curbo, Jason Wayne |
| Abstract: | Concepts for the development of a model to predict natural gas transmission pipeline lifetime in a corrosive environment are constructed. Primarily, the effects of environmentally assisted cracking (EAC) are explored. Tensile test specimens from a sample of API 5L X-52 pipeline were tested in a simulated groundwater solution and subsequently analyzed. The results suggested that the simulated environment ultimately reduced the ductility of the test specimens; however, no evidence of ??classical?? stress corrosion crack morphology was discovered. However, corrosion pits up to 0.75 mm (0.03 in) were revealed during metallographic analysis. A Marin factor analogy and an energy method concept are suggested and explored. Ultimately, the test data set was too small for the results to be of any directly applicable significance. |
| Publisher: | Texas A&M University |
| Subject: |
Mechanical Engineering
Corrosion |
| URI: | http://hdl.handle.net/1969.1/2357 |
| Date: | 2005-05 |
Citation
(2005).
A preliminary investigation of the effects of environmentally assisted cracking on natural gas transmission pipelines.
Master's thesis,
Texas A&M University.
Texas A&M University. Available electronically from
http : / /hdl .handle .net /1969 .1 /2357.
Files in this item
| Files | Size | Format | View |
|---|---|---|---|
| etd-tamu-2005A-MEEN-Curbo.pdf | 10.04Mb |
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Electronic Theses, Dissertations, and Records of Study (2002-present) [10425]
Electronic Theses, Dissertations, and Records of Study Collection
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