制作
图层(电子)
接口(物质)
材料科学
快速成型
纳米技术
计算机科学
墨水池
各向同性
生产(经济)
3D打印
机械工程
工程制图
复合材料
光学
工程类
润湿
物理
病理
替代医学
经济
宏观经济学
医学
坐滴法
作者
Rima Janusziewicz,John R. Tumbleston,Adam L. Quintanilla,Sue J. Mecham,Joseph M. DeSimone
标识
DOI:10.1073/pnas.1605271113
摘要
Despite the increasing popularity of 3D printing, also known as additive manufacturing (AM), the technique has not developed beyond the realm of rapid prototyping. This confinement of the field can be attributed to the inherent flaws of layer-by-layer printing and, in particular, anisotropic mechanical properties that depend on print direction, visible by the staircasing surface finish effect. Continuous liquid interface production (CLIP) is an alternative approach to AM that capitalizes on the fundamental principle of oxygen-inhibited photopolymerization to generate a continual liquid interface of uncured resin between the growing part and the exposure window. This interface eliminates the necessity of an iterative layer-by-layer process, allowing for continuous production. Herein we report the advantages of continuous production, specifically the fabrication of layerless parts. These advantages enable the fabrication of large overhangs without the use of supports, reduction of the staircasing effect without compromising fabrication time, and isotropic mechanical properties. Combined, these advantages result in multiple indicators of layerless and monolithic fabrication using CLIP technology.
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