Effect of heating mode on sinterability of Fe-Ni steels.
J Microw Power Electromagn Energy
; 45(4): 162-77, 2011.
Article
em En
| MEDLINE
| ID: mdl-24428106
ABSTRACT
The present study examines the effect of heating mode on the densification, microstructure, and mechanical properties of iron-nickel steel with graphite and phosphorus addition. The compacts were sintered in conventional (radiatively-heated) and microwave (2.45 GHz, multimode) furnaces at 1120 degrees C for 1 hour in forming gas (dissociated ammonia atmosphere, 95% N2-5% H2). The experimental results show that microwave sintered alloy has better properties compared with the conventionally sintered counterparts. Detailed analyses by using optical microscopy and scanning electron microscopy (SEM) reveal that microwave sintered sample has finer microstructure. SEM examination of the fractured surfaces indicate that a mixed mode fracture containing both, ductile and brittle types, is present in microwave sintered alloy, in contrast with the brittle fracture only in conventional sintered counterpart.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Aço
/
Calefação
/
Ferro
/
Micro-Ondas
/
Níquel
Idioma:
En
Revista:
J Microw Power Electromagn Energy
Assunto da revista:
BIOFISICA
Ano de publicação:
2011
Tipo de documento:
Article
País de afiliação:
Índia