The correlation of IGSCC propagation with the power plant transient history

Pertti Aaltonen; Kari Saarinen; Kaisa Simola

doi:10.1016/0308-0161(93)90053-V

The correlation of IGSCC propagation with the power plant transient history

Pertti Aaltonen, Kari Saarinen, Kaisa Simola

VTT Technical Research Centre of Finland

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

The purpose of this study was to find out the possible correlation between the crack propagation and the shut-downs and start-ups of the nuclear power plant. These transients can promote intergranular stress corrosion cracking (IGSCC) through stress variations and changes in water chemistry. This work was conducted by studying cracks found from the AISI 304 shut-down cooling and clean-up pipeline. The appearance of observed cracking paths were compared to the transient history of the plant and the crack growth rates were evaluated based on these results. Principles of probabilistic modeling of the IGSCC growth in operational conditions will also be presented and simple examples of possible applications of the model related to existing data are given.

Original language	English
Pages (from-to)	149-162
Journal	International Journal of Pressure Vessels and Piping
Volume	55
Issue number	1
DOIs	https://doi.org/10.1016/0308-0161(93)90053-V
Publication status	Published - 1993
MoE publication type	A1 Journal article-refereed

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10.1016/0308-0161(93)90053-V

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abstract = "The purpose of this study was to find out the possible correlation between the crack propagation and the shut-downs and start-ups of the nuclear power plant. These transients can promote intergranular stress corrosion cracking (IGSCC) through stress variations and changes in water chemistry. This work was conducted by studying cracks found from the AISI 304 shut-down cooling and clean-up pipeline. The appearance of observed cracking paths were compared to the transient history of the plant and the crack growth rates were evaluated based on these results. Principles of probabilistic modeling of the IGSCC growth in operational conditions will also be presented and simple examples of possible applications of the model related to existing data are given.",

author = "Pertti Aaltonen and Kari Saarinen and Kaisa Simola",

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AU - Saarinen, Kari

AU - Simola, Kaisa

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Y1 - 1993

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AB - The purpose of this study was to find out the possible correlation between the crack propagation and the shut-downs and start-ups of the nuclear power plant. These transients can promote intergranular stress corrosion cracking (IGSCC) through stress variations and changes in water chemistry. This work was conducted by studying cracks found from the AISI 304 shut-down cooling and clean-up pipeline. The appearance of observed cracking paths were compared to the transient history of the plant and the crack growth rates were evaluated based on these results. Principles of probabilistic modeling of the IGSCC growth in operational conditions will also be presented and simple examples of possible applications of the model related to existing data are given.

U2 - 10.1016/0308-0161(93)90053-V

DO - 10.1016/0308-0161(93)90053-V

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JO - International Journal of Pressure Vessels and Piping

JF - International Journal of Pressure Vessels and Piping

IS - 1

ER -

The correlation of IGSCC propagation with the power plant transient history

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