Method for manufacturing gradient material by continuous and sem

Details Method for manufacturing gradient material by continuous and sem Method for manufacturing gradient material by continuous and sem

1998-04-15

2000-07-18

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164488, B22D 11041, B22D 11103

Patent

active

060893095

ABSTRACT:
A gradient material is manufactured in which the alloy composition varies continuously with the cross-section. A first metal liquid is introduced from a first tundish into the outer portion of a water-cooled mould. A second metal liquid is introduced into the inner portion of the water-cooled mould through a refractory entry nozzle immersed in the first metal liquid to form a metal liquid pool. The metal liquid pool is solidified into an ingot where the composition of alloys varies continuously from the inside to the outside of the ingot.

REFERENCES:
patent: 3262161 (1966-07-01), Andrzejak et al.

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