TEM STUDY OF DISPERSED INTERMETALLIC PHASES IN RAPIDLY SOLIDIFIED Al-8.32Fe-3.4Ce ALLOY
快速凝固Al－8．32Fe－3．4Ce合金中弥散合金相的TEM测定

The five dispersed intermetallic phases in as-extruded rapidly solidified (RS)Al-8-32Fe-3.4Ce alloy during the heat-exposure produre have been characterized by conventional TEM and X-ray energy dispersive spertrum analysis.A new phase which belongs to a rhombohedral structure with parameters of a=1.4 nm and c=0.7 nm,and with a chemical composition of Al_8Ce was observed.