研究目的
Investigating the variation of surface topography in laser powder bed fusion additive manufacturing of nickel super alloy 625.
研究成果
The dataset is for the exploration and development of correlations between build position and orientation, and surface topography. Users are encouraged to explore advanced filtering, segmentation, and other techniques to help identify correlations.
研究不足
The dataset provided attempts to address issues of inadequate description of process parameters and the need for large quantities of data for the development of correlations. However, the technical and application constraints of the experiments, as well as potential areas for optimization, are not explicitly discussed.
1：Experimental Design and Method Selection
The experiment methodically varies part position and surface orientation relative to the build plate and relative to the recoater blade. An EOS M290 laser powder bed fusion system was used to fabricate the experiment samples.
2：Sample Selection and Data Sources
A single additive manufacturing build with nine artifacts was carried out using an EOS M290 laser powder bed fusion system. The artifacts were built in a nickel super alloy 625 using EOS NickelAlloy IN625 powder.
3：List of Experimental Equipment and Materials
[object Object],[object Object]
4：Experimental Procedures and Operational Workflow
Parts were removed from the build plate using wire electrical discharge machining (EDM). All parts were cleaned in an ultrasonic bath of acetone for 5 minutes, rinsed with ethanol, and allowed to air dry. Measurements were performed using an Alicona InfiniteFocus G5 focus variation microscope with Real3DRotation unit.
5：Data Analysis Methods
Surface height maps were created by the microscope software by stitching an 8 x 8 field-of-view (FoV) set of measurements together. All data has been cropped to remove edges of the parts from the uploaded dataset.
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