Manufacture of shaped articles from refractory powder
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United States of America Patent
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Feb 6, 1990
Grant Date -
N/A
app pub date -
Dec 30, 1987
filing date -
Jan 23, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of making a shaped article comprises mixing a refractory powder with an aqueous acidic phosphate solution, subjecting the mixture thus formed to high shear to form a plastic mass, shaping the mass, and hardening the shaped mass at a temperature below the sintering temperature of the refractory powder. By this method articles of useful hot-strength can be obtained without having to employ the high temperatures required for sintering.
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