Evaporating boats containing titanium diboride

Details Evaporating boats containing titanium diboride Evaporating boats containing titanium diboride

1987-12-16

1989-07-11

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 37, 264 67, 252520, C04B 3558

Patent

active

048470317

ABSTRACT:
Self-resistance heated, electrically conductive, refractory evaporating boats containing titanium diboride can be reclaimed for reuse. If there is aluminum adhering to the boats, they are first leached in hot caustic solution to remove the aluminum. After rinsing and drying, the boats are ground to powder which is then screened. The screened powder is used to manufacture new boats.

REFERENCES:
patent: 3181968 (1965-05-01), Mandorf
patent: 3256103 (1966-06-01), Roche
patent: 3544486 (1970-12-01), Passmore
patent: 3582611 (1971-06-01), Matheson
patent: 3631131 (1971-12-01), Kodko
patent: 3813252 (1974-05-01), Lipp
patent: 3915900 (1975-10-01), Reinmuth
patent: 4373952 (1983-02-01), Parent

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