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US 2016/0354836 A1Published application
Slurry for forming mold, mold and method for producing mold
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsHidetaka OGUMA, Kazutaka MORI, Ichiro NAGANO, Masato SHIDA, Ikuo OKADA, Ryota OKIMOTO, Yoshitaka UEMURA
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Abstract
A slurry for forming a mold includes a silica sol as a dispersion medium and niobia-stabilized zirconia dispersed in the silica sol.
Claims3
A slurry for forming a mold comprising:
- a silica sol as a dispersion medium;
- and
- niobia-stabilized zirconia dispersed in the silica sol.
A method for producing a mold comprising:
- a slurry production process of producing a slurry in which niobia-stabilized zirconia is dispersed in a silica sol as a dispersion medium;
- a slurry layer formation process of forming a slurry layer in which the slurry is adhered to a surface of a wax mold;
- a stucco layer formation process of forming a stucco layer in which particles of a refractory material are adhered to a surface of the slurry layer;
- and
- a heat treatment process of performing a heat treatment on the slurry layer and the stucco layer.
2 more elements
Dependencies are inferred from the claim text.