Phosphorus-bearing master composition for addition to hyper-eute

Details Phosphorus-bearing master composition for addition to hyper-eute Phosphorus-bearing master composition for addition to hyper-eute

1975-02-10

1976-04-27

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 68R, 75122, 75124, 75134F, 75138, C22C 2100

Patent

active

039532020

ABSTRACT:
A master composition for refining the primary silicon grains of hyper-eutectic silicon-aluminum casting alloys comprises an intimate admixture, in compact form, of pulverized ferrophosphorus and aluminum metal powder.

REFERENCES:
patent: 1940922 (1933-12-01), Sterner-Rainer

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