陶瓷喷墨打印增材制造技术

Brian Derby

工程(英文) ›› 2015, Vol. 1 ›› Issue (1) : 113 -123.

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工程(英文) ›› 2015, Vol. 1 ›› Issue (1) : 113 -123. DOI: 10.15302/J-ENG-2015014
研究论文

陶瓷喷墨打印增材制造技术

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Additive Manufacture of Ceramics Components by Inkjet Printing

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摘要

陶瓷喷墨打印是一种基于微滴累加的成形技术,典型的微滴体积为10~100 pL。实现微滴累加成形的关键是开发稳定的陶瓷墨水,合适的墨水需要满足由雷诺数和韦伯数定义的流变特性参数空间。在微滴累加成形过程中,微滴首先与成形面碰撞变形并消耗动能,然后在毛细管力作用下铺展并达到平衡状态。已经可以确定的是打印过程中微滴相互作用并形成一维线性特征的机理,但是对二维和三维结构成形机理的认识还处于较低水平,成形二维面的稳定性低于成形一维线性结构。多数情况下,墨水通过蒸发固化,微滴碰撞基体所产生的'咖啡环'缺陷需要通过固化工艺加以控制。已经有大量文献报道了使用喷墨打印技术成形各种类型小型陶瓷零件的成功案例。作为一种未来的制造技术,陶瓷喷墨打印技术有广阔的应用前景。本综述的目的是探索陶瓷喷墨打印技术未来潜在的研究领域,加强对这种制造方法的理解。

Abstract

In order to build a ceramic component by inkjet printing, the object must be fabricated through the interaction and solidification of drops, typically in the range of 10−100 pL. In order to achieve this goal, stable ceramic inks must be developed. These inks should satisfy specific rheological conditions that can be illustrated within a parameter space defined by the Reynolds and Weber numbers. Printed drops initially deform on impact with a surface by dynamic dissipative processes, but then spread to an equilibrium shape defined by capillarity. We can identify the processes by which these drops interact to form linear features during printing, but there is a poorer level of understanding as to how 2D and 3D structures form. The stability of 2D sheets of ink appears to be possible over a more limited range of process conditions that is seen with the formation of lines. In most cases, the ink solidifies through evaporation and there is a need to control the drying process to eliminate the: "coffee ring" defect. Despite these uncertainties, there have been a large number of reports on the successful use of inkjet printing for the manufacture of small ceramic components from a number of different ceramics. This technique offers good prospects as a future manufacturing technique. This review identifies potential areas for future research to improve our understanding of this manufacturing method.

关键词

增材制造 / 3D打印 / 喷墨打印 / 陶瓷零件

Key words

additive manufacture / 3D printing / inkjet printing / ceramic components

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Brian Derby 陶瓷喷墨打印增材制造技术[J]. 工程(英文), 2015, 1(1): 113-123 DOI:10.15302/J-ENG-2015014

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