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Fabrication of Fe–Cr–Al Oxide Dispersion Strengthened PM2000 Alloy Using Selective Laser Melting
Author(s) -
Walker John C.,
Berggreen Kaj M.,
Jones Andy R.,
Sutcliffe Chris J.
Publication year - 2009
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200800407
Subject(s) - materials science , selective laser melting , alloy , fabrication , dispersion (optics) , oxide , laser , economies of agglomeration , laser power scaling , metallurgy , composite material , microstructure , chemical engineering , optics , medicine , alternative medicine , physics , pathology , engineering
Rapid prototyping using the selective laser melting process has been successfully used in the manufacture of solid walls from melt sensitive mechanically alloyed PM2000 FeCrAl ODS powder. Despite melting of the powder, the technique allowed the retention of the nanoscale oxide dispersion due to the high cooling rates. Results showed that coarsening and agglomeration of ODS particles was more dependent on laser scan speed than the maximum laser power.