File:Defaillance joint Challenger vs temperature.svg

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English: Space shuttle Challenger: number of failure of the Morton-Thiokol gaskets vs. the external temperature at the launching. Initially, only the incidents were reported (black dots), which shows no clear trend. If the launching without incident are reported (white dots), it becomes then clear that there were always problems below 65°F (18°C).
Français : Navette spatiale Challenger : nombre de défailances de joints Morton-Thiokol en fonction de la température extérieure lors du lancement. Initialement, seuls les problèmes étaient rapportés (points noirs), ce qui ne permet pas de dégager une tendance. Si par contre on reporte les lancements sans incident (points blancs), il devient clair qu'il y a toujours eu des problèmes en dessous de 65°F (18°C).
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p. 114
Les décisions absurdes
Author
Christian Morel
Title
Les décisions absurdes
Subtitle Sociologie des erreurs radicales et persistantes
Series title Folio essais
Publisher
Gallimard
Publication date 2002
Place of publication Paris
Authority file  ISBN: 978-2-07-031542-0
Author Cdang


 
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