Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Patent
1978-01-19
1979-12-04
Dean, R.
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
148 131, 148 14, 148 16, 148 18, 148 203, 148 206, 148 27, 148 28, 148122, 427127, C21D 178
Patent
active
041770927
ABSTRACT:
Aluminium or silicon is diffused into iron (including silicon-iron) by applying to the iron an aqueous paste containing powdered aluminium/silicon, sodium silicate, and optionally magnesium oxide and colloidal silica, and firing it.
REFERENCES:
patent: 3583887 (1971-06-01), Steger et al.
patent: 4073668 (1978-02-01), Wieland et al.
Dean R.
National Research Development Corporation
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