A method of manufacturing an ingot, in particular for use in a vacuum induction melting gas atomization system or an electrode induction melting gas atomization system

By manufacturing ingot starting materials in a vacuum induction or electrode induction melting inert gas atomization system, the melting degree of the outer shell region is higher than that of the core region, thus solving the problems of uneven particle size and material waste in metal powder production and realizing efficient and economical material recycling.

CN122161683APending Publication Date: 2026-06-05ALD VACUUM TECH GMBH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ALD VACUUM TECH GMBH
Filing Date
2024-09-11
Publication Date
2026-06-05

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Abstract

A method (200; 400) for manufacturing an ingot (100; 305), in particular for use in a vacuum induction melting gas atomization system or an electrode induction melting gas atomization system, comprises providing (210; 410-422) a granular ingot starting material. The method (200; 400) also comprises manufacturing (220; 430) an ingot body (100; 305) from the ingot starting material, wherein manufacturing (220; 430) comprises melting portions of the ingot starting material, and the ingot starting material is melted to a greater extent in a region of a shell (110; 310) of the ingot body (100; 305) to be manufactured than in a region of a core (120; 320) of the ingot body (100; 305) to be manufactured.
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