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Precipitační vytvrzování (vytvrzování stárnutím)

Precipitační vytvrzování se používá ke zvýšení pevnosti určitých slitin, jako jsou hliníkové slitiny, slitiny na bázi niklu a některé nerezové oceli. Proces se skládá ze tří kroků:

Rozpouštěcí žíhání

Kalení

Stárnutí (přirozené nebo umělé)

V materiálu se vytvářejí jemné precipitáty, které brání pohybu dislokací a zvyšují pevnost.

Teplotní rozsah:
• Rozpouštěcí žíhání: 450–550 °C
• Stárnutí: 100–200 °C

Používané typy pecí:
• Elektrická komorová pec
• Vakuová pec
• Pec s řízenou atmosférou

Použití:
Letecké díly, konstrukční komponenty, tlakové nádoby

Prosím, kontaktujte nás.
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