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Additive Manufacturing of Functionally Graded Ceramic Materials by Stereolithography

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Published on: January 25, 2019

Combinatorial study of ceramic tape-casting slurries.

Zhifu Liu¹, Yiling Wang, Yongxiang Li

¹The Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China. liuzf@mail.sic.ac.cn

ACS Combinatorial Science

|January 31, 2012

Summary

This summary is machine-generated.

Combinatorial methods rapidly screened ceramic tape-casting slurries using ethanol and ethyl-acetate solvents. This approach efficiently developed a suitable slurry for X7R dielectric ceramic green tapes.

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Area of Science:

Materials Science
Ceramic Engineering
Process Optimization

Background:

Ceramic tape-casting slurries are complex mixtures requiring extensive development.
Conventional methods for slurry formulation are inefficient and time-consuming.

Purpose of the Study:

To apply combinatorial approaches for rapid screening of ceramic tape-casting slurries.
To develop an efficient ethanol and ethyl-acetate binary solvent-based slurry for ceramic green tape-casting.

Main Methods:

Designed combinatorial libraries varying binder (Poly vinyl-butyral), plasticizers (polyethylene-400, butyl-benzyl-phthalate), and dispersant (glyceryl triacetate) amounts.
Utilized parallel magnetic stirring for slurry library preparation.
Evaluated slurry properties via sedimentation and rheological analysis.
Refined composition through scaled-up experiments, analyzing microstructure, mechanical properties, and sintering behavior.

Main Results:

Successfully screened a library of ceramic tape-casting slurries.
Identified optimal compositions for slurry properties.
Achieved a refined slurry system suitable for X7R dielectric ceramic green tapes.

Conclusions:

Combinatorial approaches significantly enhance the efficiency of ceramic slurry development.
The developed ethanol-ethyl acetate binary solvent system is effective for X7R dielectric ceramic green tape production.