Abstract
To make clear the wear property of Fe-Al intermetallic compounds, the five specimens of Fe_3Al, FeAl, FeAl_2, Fe_2Al_5 and FeAl_3 were subjected to abrasion tests using abrasive paper with some grain size. In FeAl_2, Fe_2Al_5 and FeAl_3 specimens with relatively high Al composition, the wear surface translated from ductile wear surface into brittle wear surface with chipping at the specific size of abrasive grain. The effect of applied force per abrasive grain on this ductile-brittle transition was discussed from the relationship between micro cracking condition in indentation test and grain size on abrasive paper.
