Scientists at Oak Ridge National Laboratory have developed a vacuum-assisted extrusion method that reduces internal porosity—by up to 75%—in large-scale 3D-printed polymer parts. The paper is ...

Fused deposition modeling (FDM) technology is widely used in the areas of rapid prototyping, education, automobile and health care. However, the disadvantages of high porosity, low surface quality, ...

The surface porosity of graphene-based aerogels strongly influences their performance in applications involving mass transfer. However, the factors determining the surface porosities are not ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.210058 discusses formation, evaluation, and influence of porosity in metals additively manufactured by laser powder bed fusion.

Aluminum die-cast components are widely used in automotive and precision machinery applications due to their combination of low weight and structural strength. However, internal defects known as ...

Scientists at Oak Ridge National Laboratory have developed a vacuum-assisted extrusion method that reduces internal porosity — by up to 75% — in large-scale 3D-printed polymer parts. Large-format ...

Scientists of the Far Eastern Federal University (FEFU) have used a unique mathematical model to calculate the data of 3D images of defects in the volume of transparent functional materials. The ...

Scientists have developed a vacuum-assisted extrusion method that reduces internal porosity -- by up to 75% -- in large-scale 3D-printed polymer parts. Large-scale additive manufacturing has been ...