Deterioration of fatigue life of 316L stainless steel due to TEXTOR exposure

Deterioration of fatigue life of 316L stainless steel due to TEXTOR exposure

Fatigue tests in vacuum and air were carried out on solution-annealed 316L stainless steel specimens (NET reference material) in push-pull type, load-controlled experiments at 20, 150 and 425°C. Reference specimens were compared to specimens which had been exposed to the plasma of the TEXTOR tokamak...

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Veröffentlicht in:Journal of nuclear materials 1990-12, Vol.175 (1), p.20-28
Hauptverfasser: Ullmaier, H., Shakib, J.I., Schmitz, W., Faulkner, R.G., Little, E.A., Wienhold, P.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Installations for energy generation and conversion: thermal and electrical energy
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Zusammenfassung:Fatigue tests in vacuum and air were carried out on solution-annealed 316L stainless steel specimens (NET reference material) in push-pull type, load-controlled experiments at 20, 150 and 425°C. Reference specimens were compared to specimens which had been exposed to the plasma of the TEXTOR tokamak prior to testing. It is found that the surface modifications caused by the TEXTOR exposure lead to fatigue life deterioration by factors between 2 (at 20°C) and 6 (at 425 °C). Possible reasons for this degradation are discussed.
ISSN:0022-3115
1873-4820
DOI:10.1016/0022-3115(90)90265-O