Microstructure and dry sliding wear properties of 3Si-2Ni and 3Si-2Mn powder metallurgy steels with different graphite content

Küçük Resim Yok

Tarih

2011

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Sage Publications Ltd

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In this study, plain iron powder (ASC.100.29) was mixed with 0.35-1.1 % graphite + 3 % Si + 2 % Ni and 0.35-1.1 % graphite + 3 % Si + 2 % Mn powders. While coarse pearlitic structure with homogeneous distribution of Mn was obtained in Mn-added specimens, Ni-rich austenitic areas with divorced pearlite structure were observed in Ni-added specimens. Wear tests were carried out at a load of 50 N. The experimental results showed that the highest wear resistance was obtained in the Ni-added specimen. While subsurface brittle cracking caused more wear in the Mn-added specimens, the wear occured by plastic deformation of surface Ni-added specimens.

Açıklama

Anahtar Kelimeler

iron powder, alloying elements, sintering, microstructure, dry sliding wear

Kaynak

Proceedings of the Institution of Mechanical Engineers Part J-Journal of Engineering Tribology

WoS Q Değeri

Q3

Scopus Q Değeri

Q2

Cilt

225

Sayı

J8

Künye