White cast irons are widely used in applications that require high resistance to abrasion, erosion and corrosion. In particular, high chromium cast irons show the best behavior under strongly aggressive environments. The microstructure obtained after heat treatments can affect the operative properties. This work studies the increase of the performance of castings made of high chromium cast iron (HBW555XCr27), performing unconventional heat treatments at temperatures above 1150°C. The optimization of heat treatment parameters was based on the results of microstructural analyses along with mechanical and corrosion characterization. The results demonstrated the efficiency of the heat treatment mainly in increasing the corrosion resistance of the high chromium cast irons.

Performance optimization of high resistant white cast iron for severe working applications

GIRELLI, LUCA;POLA, Annalisa;GELFI, Marcello;LA VECCHIA, Giovina Marina
2017-01-01

Abstract

White cast irons are widely used in applications that require high resistance to abrasion, erosion and corrosion. In particular, high chromium cast irons show the best behavior under strongly aggressive environments. The microstructure obtained after heat treatments can affect the operative properties. This work studies the increase of the performance of castings made of high chromium cast iron (HBW555XCr27), performing unconventional heat treatments at temperatures above 1150°C. The optimization of heat treatment parameters was based on the results of microstructural analyses along with mechanical and corrosion characterization. The results demonstrated the efficiency of the heat treatment mainly in increasing the corrosion resistance of the high chromium cast irons.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11379/496935
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 9
  • ???jsp.display-item.citation.isi??? 7
social impact