METHOD OF MAKING 3D ARTICLES FROM COMPOSITE MATERIALS Russian patent published in 2014 - IPC B22F3/105 

Abstract RU 2518046 C2

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of nano-structured materials. It can be used for production of complex shape parts from fine powders in various machine building branches. Powder composition components are laid layer-by-layer in reaction chamber to required topology. Preheating is made to prophase temperatures of composition or less refractory component of said composition by source that ensures heating of the entire volume of said powder composition. Thereafter, laser processing is performed for 3D sandwiched article under conditions that allow phase conversions. Now, produced model is withdrawn from the chamber with removal of powder composition not involved in forming of said 3D articles.

EFFECT: lower temperature gradient in processing area.

6 cl

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RU 2 518 046 C2

Authors

Varavka Valerij Nikolaevich

Ignatenko Ivan Vasil'Evich

Kogtev Fedor Fedorovich

Dates

2014-06-10Published

2012-07-19Filed