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Heat treatment (annealing, quenching, tempering) modifies crystal structure and properties through controlled heating/cooling.
Steg-för-steg-guide
- 1Input initial material state and desired properties
- 2Specify heat treatment: temp, time, cooling rate
- 3Predict resulting microstructure and properties
Lösta exempel
Ingång
Steel: quench from 850°C (high hardness) vs. anneal (low hardness, high ductility)
Resultat
Tempering balances hardness and ductility
Vanliga misstag att undvika
- ✕Wrong temperature for material type
- ✕Not controlling cooling rate sufficiently
Vanliga frågor
Why cool fast (quench)?
Rapid cooling prevents atomic rearrangement to equilibrium, creating harder metastable phases.
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