Metal founding – With signal – indicator or inspection means
Patent
1986-10-17
1987-09-29
Batten, Jr., J. Reed
Metal founding
With signal, indicator or inspection means
164154, 324 65P, B22D 200, B22D 2702, B22D 4600
Patent
active
046963375
ABSTRACT:
The apparatus has a supply system 1 and measuring system 2, connected via suitable electrodes to the mould 3. This mould 3 has a cylindrical shape and a cylindrical pouring cup. The cavity of the mould 3 has been divided by vertical walls 4 and 5 into three parts in such a way that the wall 4 divides the mould 3 into two halves and the wall 5, in turn, divides one of the halves also into two equal parts. The electrodes of the supply system 1 and measuring system 2 have been mounted in the bottom of the mould 3 in the portions delimited by the wall 5. The shape of the mould ensures a directional solidification of the specimens contained therein. Owing to this a compact specimen is obtained without shrinkage porosities and contraction cavities over the measuring length. The structure of the alloy is anticipated from the curve of variations of voltage signal during the period from the moment of pouring of liquid metal into the mould 3 to the moment of solidification of the specimen.
REFERENCES:
patent: 4173299 (1979-11-01), Kollberg
patent: 4333512 (1982-06-01), Sugiura
Grochal Tadeusz
Ryglicki Roman
Wierzchowski Wojciech
Batten, Jr. J. Reed
Instytut Odlewnictwa
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