Development of a binder formulation for fused deposition of ceramics

被引：0
|
作者：
McNulty, TF [1 ]
Cornejo, I [1 ]
Mohammadi, F [1 ]
Danforth, SC [1 ]
Safari, A [1 ]
机构：
[1] Rutgers State Univ, Dept Ceram & Mat Engn, Piscataway, NJ 08854 USA
来源：
SOLID FREEFORM FABRICATION PROCEEDINGS, AUGUST, 1998 | 1998年
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new binder formulation has been developed for Fused Deposition of Ceramics (FDC) which consists of commercially-available polymer constituents. This formulation was used in conjunction with lead zirconate titanate (PZT) and hydroxyapatite (HAp) powders. Adsorption studies were performed to test the effectiveness of several carboxylic acids and alcohols on the dispersion of these powders in the binder system. In both cases, it was found that stearic acid was most effective as a dispersant for the ceramic powder / thermoplastic system. After a suitable dispersant was chosen, ceramic powders were compounded with the binder formulation to yield 55 vol.% ceramic-loaded materials. The resultant compound was used to make filament suitable for use in a modified Stratasys(TM) 3D-Modeler. The filament was well suited for FDC usage, and the parts made using FDC contained no detectable filament-related defects.
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收藏
页码：613 / 620
页数：8
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