Document Type and Number:
Japanese Patent JPH049629
Kind Code:
B2
Abstract:
A method of forming a fine grained equiaxed ingot by melting metal and placing it in a mold (12) having a restriction (22) at the entrance disposed to solidify the metal in the entrance to the mold prior to complete solidification of the metal in the mold such that a shrinkage void (18) is formed below the entrance to the mold. The ingot is then hot isostatically pressed (HIPped) to fully densify the ingot and eliminate the shrinkage void.
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Application Number:
JP2799087A
Publication Date:
February 20, 1992
Filing Date:
February 09, 1987
Export Citation:
International Classes:
B22D7/00; B22D27/04; B22D27/08; B22D27/09; B22D29/00
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