Mixture and method for preparing casting cores and cores prepare

Details Mixture and method for preparing casting cores and cores prepare Mixture and method for preparing casting cores and cores prepare

1988-03-28

1989-06-20

Godici, Nicholas P.

Metal founding

Means to shape metallic material

United particle type shaping surface

106 383, 106 389, 164132, 164138, 164522, 164528, 164529, B22C 118, B22C 910

Patent

active

048402192

ABSTRACT:
Casting cores are fabricated from a mixture comprising a molten salt having dispersed therein a particulate material which includes a first refractory material having a mesh size of 60-120 and a second refractory material having a mesh size of at least 200. The salts are preferably halides, carbonates, sulfates, sulfites, nitrates or nitrites of Group Ia and Group IIa metals and the refractory material may be selected so as to be non-reactive with the molten salt. Some preferred refractory materials include alumina and magnesium silicate.

REFERENCES:
patent: 4331197 (1982-05-01), Cole
patent: 4480681 (1984-11-01), Alexander et al.
patent: 4629708 (1986-12-01), Alexander et al.

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