3D printing of clay for decorative architectural applications: Effect of solids volume fraction on rheology and printability

被引：98

作者：

Chan, Shareen S. L. ^{[1
]}

Pennings, Ryan M. ^{[2
]}

Edwards, Lewis ^{[2
]}

Franks, George V. ^{[1
]}

机构：

[1] Univ Melbourne, Chem Engn, Melbourne Sch Engn, Melbourne, Vic 3010, Australia

[2] Univ Melbourne, MSD Robot Lab, Architecture Bldg & Planning, Melbourne, Vic 3010, Australia

来源：

ADDITIVE MANUFACTURING | 2020年 / 35卷 / 35期

关键词：

Ceramics; Material extrusion; Additive manufacturing (AM); Direct ink writing (DIW); Clay; YIELD-STRESS; FLY-ASH; CERAMICS;

D O I：

10.1016/j.addma.2020.101335

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of varying the solids volume fraction of an aqueous clay paste suspension on its printability via an Additive Manufacturing (AM) or 3D printing technique, Direct Ink Writing (DIW) or material extrusion, has been studied. DIW is a cost-effective and straightforward fabrication technology suitable for adoption at a larger scale by the traditional ceramics industry and the creative community. The pastes were prepared with volume fraction of solids ranging from 25-57 vol%. Their rheological properties (storage modulus and apparent yield stress) were measured by dynamic oscillatory rheometry. The relationships between solids content, rheological behaviour and print parameters were evaluated. An equation based on rheological properties to delineate between printable and non-printable conditions has been proposed. Several decorative pieces have been produced for architectural purposes.

引用

页数：8

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