Residual Life Prediction for In-Service Pressure Vessels Containing Crack Defects

Abstract:

Residual life is tightly related to the period of examine and repair of pressure vessels. The accuracy of residual life prediction may have a great influence on the reliability and the cost of examine and repair of the in-service pressure vessels containing crack defects. Aimed at the problem of residual life prediction of pressure vessels containing crack defects, we put forward a new method on the basis of crack failure path and rate, which is based on the fracture mechanics and failure assessment diagram (FAD). Though there may be a lot of researches to do, this algorithm is higher in efficiency and easy to calculate, compared to the other methods. This method is original and creative. It provides a new research approach to study the residual life prediction.

• Periodical: Applied Mechanics and Materials (Volume 607)
• Pages: 17-20
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.607.17
• Online since: July 2014
• Authors: Si Jian Lin*, Wei Long, Da Qing Tian
• Keywords: Crack Defects, Failure Path, Pressure Vessel, Residual Life

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DOI: 10.1115/1.3656902