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Polymers for 3-D-Printed Tools at the Point of Need.
| 题名： | Polymers for 3-D-Printed Tools at the Point of Need. |
| 作者： | Stilling, A.; Grendahl, E.; Pepi, M. |
| 关键词： | Additive manufacturing, Acrylonitrile polymers, Military capabilities, Operational readiness, Mechanical properties, Microscopy, Failure (mechanics), Fracture (mechanics), Tensile testing, Styrene plastics, Butadienes, Dacron, 3-d-printing, Polymer processing, Point-of-need manufacturing, Mechanical testing, Post-fracture optical microscopy, Uv-light exposure testing, Water immersion testing, Charpy impact testing, Three-point bend testing, Abs (acrylonitrile butadiene styrene), Pla (polylactic acid), Pet-g (glycol modified polyethylene terephthalate), Recycled pet, Recycled abs, Pc (polycarbonate) |
| 摘要： | The use of 3-D-printed tools with locally available polymers has the potential to increase efficiency and operational readiness on the battlefield. Currently, the US military has plastic 3-D-printing capabilities at the point of need, but only a limited choice of polymers. This effort summarizes the work of two Weapons and Materials Research Directorate-sponsored student projects and compares many different types of common 3-D-printable polymers to determine which one may be best suitable for the harsh conditions and austere environments associated with forward-operating bases. These polymers were subjected to mechanical and environmental testing for the purpose of characterizing and ranking. Post-fracture optical microscopy was undertaken to better understand the failure modes associated with each of the different polymers. |
| 报告类型： | 科技报告 |
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