Lubrication in DC casting of copper base alloys

Details Lubrication in DC casting of copper base alloys Lubrication in DC casting of copper base alloys

1977-12-20

1979-07-10

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

106 3828, 164418, 252 30, 427135, B22D 1100

Patent

active

041604741

ABSTRACT:
Improvements in the direct chill casting of copper base alloys such as the tin brasses, tin bronzes and those alloys which exhibit a liquidus-solidus temperature separation of at least 50.degree. C. is brought about by utilizing boron nitride particles in the dressing material for the mold walls. These boron nitride particles may also be added to normally used molten metal covering material and utilized as a cover for said alloys in the casting process. The most effective results in casting are obtained when using the boron nitride particles in mold dressing form in conjunction with molten cover form.

REFERENCES:
patent: 4039337 (1977-08-01), Brown et al.

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