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Keywords: non-isothermal
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Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A018, August 3, 2020
Paper No: PVP2020-21424
... was found to significantly reduce the over-conservatism associated with ASME code case N-809. However, this method was based solely on isothermal data, and was shown to also retain significant over-conservatism, especially for out-of-phase non-isothermal waveforms typical of many thermally induced loading...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A021, August 3, 2020
Paper No: PVP2020-21585
... was based on results from tests performed under isothermal, simple waveform loading. A previous re-analysis of a much larger database of FCG results highlighted improvements to the N-809 model for nominally low carbon material grades. For non-isothermal and/or complex mechanical loading conditions, further...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A021, July 14–19, 2019
Paper No: PVP2019-93855
... of the proposed method within Code Case N-809. Keywords: N-809, Fatigue Crack Growth, Non-isothermal, Temperature, Waveform, Stainless Steel, PWR, environment. NOMENCLATURE a = Crack depth A = K-rate coefficient in equation derived K-rate equation B = 2nd order temperature coefficient in derived K-rate equation...