Method of making electrical conductors of aluminum-iron alloys
First Claim
1. A process for forming electrical conductors of aluminum-iron alloy consisting of by weight from 0.5 to 5% of iron, from 0.02 to 0.2% of silicon, the remainder being aluminum and impurities, comprising granulating the Al-Fe alloy into particles of an acicular shape having a diameter of between about 50 and 1000 μ
- m and a length of between about 1 and 10 mm, introducing said shaped divided alloy into a container of an extrusion press, preheating said container at a temperature between about 300° and
600°
C., and extruding said alloy at a press extrusion ratio at least equal to about 5 to about 10 to provide conductors having a very highly fibered structure in the longitudinal direction and in which are present monoclinic Al3 Fe particles.
0 Assignments
0 Petitions
Accused Products
Abstract
The invention concerns electrical conductors of Al-Fe alloys containing from 0.5 to 5% of Fe. Conductors having a highly fibered structure which are stable up to 350° C and have a range of mechanical and electrical characteristics which are remarkable and an excellent surface state are obtained by press drawing of granules of Al-Fe alloys obtained by centrifugal spraying of the liquid metal. Application to electrical conductors in the form of wires, cables and various shaped sections such as flat sections and strips which may be flexible or rigid.
-
Citations
6 Claims
-
1. A process for forming electrical conductors of aluminum-iron alloy consisting of by weight from 0.5 to 5% of iron, from 0.02 to 0.2% of silicon, the remainder being aluminum and impurities, comprising granulating the Al-Fe alloy into particles of an acicular shape having a diameter of between about 50 and 1000 μ
- m and a length of between about 1 and 10 mm, introducing said shaped divided alloy into a container of an extrusion press, preheating said container at a temperature between about 300° and
600°
C., and extruding said alloy at a press extrusion ratio at least equal to about 5 to about 10 to provide conductors having a very highly fibered structure in the longitudinal direction and in which are present monoclinic Al3 Fe particles. - View Dependent Claims (2, 3, 6)
- m and a length of between about 1 and 10 mm, introducing said shaped divided alloy into a container of an extrusion press, preheating said container at a temperature between about 300° and
-
4. A process for forming electrical conductors of aluminum-iron alloy consisting of by weight from 0.5 to 5% of iron, from 0.02 to 0.2% of silicon, the remainder being aluminum and impurities, comprising granulating the Al-Fe alloy into particles of an acicular shape having a diameter of between about 50 and 1000 μ
- m and a length of between about 1 and 10 mm, comprising compacting said granular alloy in the form of billets by cold compression, introducing said billets into a container of an extrusion press at a temperature below 350°
C., and extruding said alloy at a press extrusion ratio at least equal to about 5 to about 10 provide conductors having a very highly fibered structure in the longitudinal direction and in which are present monoclinic Al3 Fe particles. - View Dependent Claims (5)
- m and a length of between about 1 and 10 mm, comprising compacting said granular alloy in the form of billets by cold compression, introducing said billets into a container of an extrusion press at a temperature below 350°
Specification