Preliminary validation of the MPC fitness-for-service guidelines
Conference
·
OSTI ID:176083
- Texas A and M Univ., College Station, TX (United States)
An industry-sponsored program, conducted under the auspices of the Materials Properties Council (MPC), has been concerned with fitness-for-service evaluation of pressure vessels, piping and storage tanks in refinery and chemical service. This program, which began in 1991 and is ongoing, has led to the development of a fitness-for-service document and accompanying computer software. The MPC guidelines addresses both thinned areas and crack-like flaws. The latter type of analysis utilizes the principles of fracture mechanics, which relate critical combinations of stress, flaw size, and fracture toughness. This article presents the preliminary results of a validation study on the MPC methodology. Only crack-like flaws are considered here, but a future study will include validation of the local thinning analysis. The MPC procedure for addressing crack-like flaws is summarized. In subsequent sections, this methodology is applied to wide plate tests, pressure vessel burst tests, and a brittle fracture of a heat exchanger.
- OSTI ID:
- 176083
- Report Number(s):
- CONF-950740--; ISBN 0-7918-1346-0
- Country of Publication:
- United States
- Language:
- English
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