Method for making investment casting molds for casting of supera

Details Method for making investment casting molds for casting of supera Method for making investment casting molds for casting of supera

1976-06-23

1977-05-31

Roethel, John E.

Metal founding

Process

Shaping a forming surface

B22C 912

Patent

active

040263444

ABSTRACT:
A metastable mullite phase is formed in the physical structure of investment casting molds by employing alumina flour of a particle size less than 100 microns.

REFERENCES:
patent: 2701902 (1955-02-01), Strachan
patent: 3445250 (1969-05-01), Preece
patent: 3833385 (1974-09-01), Adelsberg et al.
patent: 3839054 (1974-10-01), Forker et al.
patent: 3933190 (1976-01-01), Fassler et al.

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