METHOD OF PRODUCING MONOCRYSTALLINE ARTICLES FROM REFRACTORY NICKEL ALLOYS WITH PRESET CRYSTAL-LATTICE ORIENTATION Russian patent published in 2013 - IPC B22D27/04 

Abstract RU 2492025 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy. Proposed method comprises casting the monocrystal billet of arbitrary crystal-lattice orientation, its seeding to macrostructure, defining the billet orientation as the angle between its geometrical axis and the plane of selected crystal-lattice orientation, cutting the billet to seeds at obtained angle with cutting plate located parallel with selected crystal-lattice orientation plane. Seed end is seeded to macrostructure and marks are applied thereon that correspond to crystal-lattice orientations in the cutting plane. Said seed is placed in the mould seed seat so that seed end is located along article geometrical axis. Article crystal-lattice orientation is set by aligning the mark of definite orientation with the article geometrical axis.

EFFECT: stable process of making monocrystal articles with adequate structure.

1 ex, 1 dwg

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RU 2 492 025 C1

Authors

Tolorajja Vladimir Nikolaevich

Ostroukhova Galina Alekseevna

Aleshin Igor' Nikolaevich

Dates

2013-09-10Published

2012-03-27Filed