Cold sintering of complex-shaped ceramic materials

被引：2

作者：

Marin-Cortes, Sonia ^{[1
]}

Biesuz, Mattia ^{[2
,3
]}

Bhandari, Subhadip ^{[4
]}

Franchin, Giorgia ^{[4
]}

Enriquez, Esther ^{[5
]}

Fernandez, Jose F. ^{[1
]}

Sglavo, Vincenzo M. ^{[2
,3
]}

机构：

[1] ICV CSIC, Inst Ceram & Vidrio, 5 Campus Cantoblanco, Madrid 28049, Spain

[2] Univ Trento, Dept Ind Engn, Via Sommar 9, I-38123 Trento, Italy

[3] INSTM, Via G Giusti 9, I-50121 Florence, Italy

[4] Univ Padua, Dept Ind Engn, Via Marzolo 9, I-35131 Padua, Italy

[5] CSIC, Inst Opt Daza Valdes IO, Serrano 121, Chamartin 28006, Madrid, Spain

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2024年 / 44卷 / 16期

关键词：

Complex shape; Cold sintering process; Hydroxyapatite; Diatomaceous earth; Construction/demolition waste materials; Zinc oxide; MECHANISMS;

D O I：

10.1016/j.jeurceramsoc.2024.116813

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The present work explores for the first time the production of ceramic bodies with complex shape through the cold sintering process. Inspired by previous works on spark plasma sintering, a spacer accessory was designed to act as a removable mold. This proof-of-concept was tested with four different ceramic systems: biogenic hydroxyapatite, zinc oxide, diatomaceous earth and construction/demolition waste materials. In all cases, the density is comparable to that obtained by cold sintering of simpler disks. Moreover, the microstructure of the complex-shaped materials is substantially homogeneous in the entire component. Some distortions can be detected when comparing the spacer and sample shape, their control and modeling being a key challenge for future works.

引用

页数：7

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