METHOD FOR IMPROVED MATERIAL PROPERTIES IN ADDITIVE MANUFACTURING

摘要

A method for forming at a three-dimensional article through successively depositing individual layers of powder material that are fused together with at least one energy beam so as to form the article, the method comprising the steps of: generating a model of the three-dimensional article; applying a first powder layer on a work table; directing the at least one energy beam from at least one energy beam source over the work table causing the first powder layer to fuse in first selected locations according to the model to form a first cross section of the three-dimensional article; introducing a predetermined surface topography on the first cross section for reducing thickness variations and or increasing the powder packing density in a powder layer provided on top of the first cross section.

主权项

1. A method for forming at a three-dimensional article through successively depositing individual layers of powder material that are fused together with at least one energy beam so as to form the article, said method comprising the steps of:
generating a model of said three-dimensional article; applying a first powder layer on a work table; directing said at least one energy beam from at least one energy beam source over said work table causing said first powder layer to fuse in first selected locations according to said model to form a first cross section of said three-dimensional article; and generating a predetermined surface topography on said first cross section for at least one of reducing thickness variations or increasing packing density in a powder layer provided on top of said first cross section.