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Analisi del comportamento meccanico di parti stampate in acciaio 17-4PH

Analisi del comportamento meccanico di parti stampate in acciaio 17-4PH

Jassem Hmida / Mounir Frija

92,00 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Ingeniería: general
ISBN:
9786208881832
92,00 €
IVA incluido
Disponible

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Questo libro evidenzia l’importanza dei post-trattamenti per migliorare le proprietà meccaniche dei pezzi prodotti mediante fusione laser su letto di polvere (SLM). Attraverso simulazioni numeriche effettuate con SIMUFACT Additive e studi sperimentali, è stato dimostrato che questi trattamenti hanno un’influenza significativa sulla resistenza, sulla durezza e sulla durata dei pezzi. Sono stati eseguiti test su campioni di acciaio inossidabile 17-4PH, allo stato grezzo e dopo il trattamento termico, dimostrando che quest’ultimo aumenta significativamente la durezza e migliora le proprietà meccaniche complessive. Le osservazioni al microscopio hanno rivelato una riduzione della porosità dopo il trattamento, contribuendo a migliorare le prestazioni meccaniche. Tuttavia, le difficoltà incontrate durante le prove di fatica hanno impedito la generazione di una curva di Wöhler completa.In conclusione, si raccomandano ulteriori ricerche su altri tipi di post-trattamento e un’analisi più approfondita dei parametri di produzione, al fine di ottimizzare sia il processo SLM sia le caratteristiche dei pezzi prodotti.

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