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Production of stainless steel filters by liquid phase activated Gravity sintering
Author(s) -
Danninger H.,
Jangg G.,
Giahi M.
Publication year - 1988
Publication title -
materialwissenschaft und werkstofftechnik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.285
H-Index - 38
eISSN - 1521-4052
pISSN - 0933-5137
DOI - 10.1002/mawe.19880190607
Subject(s) - sintering , materials science , boron , liquid phase , metallurgy , corrosion , oxide , ductility (earth science) , boron oxide , phase (matter) , composite material , chemistry , creep , physics , organic chemistry , thermodynamics
Production of stainless steel filters by sintering the loose powders offers difficulties due to the stable oxide layers covering the particles and preventing formation of sintering necks. Boron compounds, i.e. NiB and BN, were found to activate sintering by both reducing the oxide layers and forming a liquid phase. The resulting samples offer excellent mechanical properties, in particular high ductility, as well as satisfactory permeability, while the corrosion resistance is not lower than with boron‐free stainless steels.