Method of producing Fe-Ni series alloys having improved effect f

Details Method of producing Fe-Ni series alloys having improved effect f Method of producing Fe-Ni series alloys having improved effect f

1991-04-17

1994-07-05

Bradley, Paula A.

Metal founding

Process

Shaping liquid metal against a forming surface

164473, 148541, B22D 1100, B22D 2506

Patent

active

053259114

ABSTRACT:
A continuously cast slab of Fe-Ni series alloy comprising 30-50 wt % of Ni or further 0.001-0.03 wt % of B and the balance of Fe is controlled to an eqiaxial crystal ratio of 20% or 30% in accordance with the existence or nonexistence of B content in the continuous casting and, if necessary, subjected to an electromagnetic stirring treatment or the like for controlling the eqiaxial crystal ratio and then heated at a temperature of not lower than 950.degree. C., 1000.degree. C. and 1100.degree. C. to economically produce Fe-Ni series alloys having improved effect for restraining streaks during etching.

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Japanese Patent Appln. No. 58-235011, Laid open Publication No. 60-128253 Jul. 1985.
Japanese Patent Appln. No. 60-62045, Laid open Publication No. 61-223188 Oct. 1986.

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