Abstract
Application of the P-NID procedure for modelling and extrapolation is demonstrated for a sparse set of rupture test results for Inconel 740H. Models based on data restricted to 8000 h are extrapolated and compared to longer-term data at up to 70,000 h. Further extrapolations are presented for lifetimes in the range 100,000 h to 200,000 h, and the reliability of these extrapolations is discussed. Comparisons are made to published extrapolations based on conventional models.
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More From: International Journal of Pressure Vessels and Piping
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