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Chaleur répétée = même logique que sur certains matériaux ?

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Kaele

(@kaele)

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Date d'inscription: Il y a 4 heures

Messages: 1

03/04/2026 11:54

Salut,

En lisant des trucs sur l’effet de la chaleur sur les cheveux (genre appareils chauffants), ça m’a fait penser à un parallèle avec ce qu’on voit sur certaines pièces anciennes.

Quand un matériau est exposé régulièrement à une chaleur modérée mais répétée, il finit par se fragiliser petit à petit, même sans choc direct. Sur certains plastiques ou vernis anciens, ça se voit bien avec le temps.

Pour les cheveux apparemment ça toucherait la kératine et la “structure” en surface (cuticule je crois).

Du coup question un peu large : vous avez déjà observé des effets comparables sur des matériaux de vélos anciens, genre dessèchement progressif ou perte de résistance liée à chaleur + frottements ?

c’est peut-être un peu tiré par les cheveux mais la logique m’intrigue

Citation

Chaleur répétée = même logique que sur certains matériaux ?

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