Stearic Acid Metal Powder Deposition

Example 7

Stearic acid was mixed with copper (5 g SA:50 g Copper) or steel (15 g SA:100 g Steel), heated and deposited onto a surface to build up objects (FIG. 16).

The employed copper (SPHERICAL, APS 10 MICRON) had an average particle size around 10 micrometer.

The employed steel was a type 316-L (Mesh 325). Thus, the particles have a size equal to or below 44 mikrometer.

In sum, mixing metal powders with stearic acid enable heated deposition and subsequent solidification of the SA/metal mixture.

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US11877900B2. Process for 3D printing (2024-01-23). Ossiform ApS [DK]. Inventors: Morten Østergaard Andersen [DK], Martin Bonde Jensen [DK], Casper Slots [DK].

Patent 2024

Copper Metal Powders Stearic acid Steel

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Variable analysis

independent variables

Mixing of stearic acid with copper (5 g SA:50 g Copper) or steel (15 g SA:100 g Steel)
Heating and deposition of the SA/metal mixture onto a surface

dependent variables

Building up of objects

control variables

Copper powder with an average particle size around 10 micrometer
Steel powder with a particle size equal to or below 44 micrometer

controls

No positive or negative controls were explicitly mentioned.

Annotations

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