Three-dimensional printing of SiSiC lattice truss structures

被引：79

作者：

Fu, Z. ^{[1
]}

Schlier, L. ^{[1
]}

Travitzky, N. ^{[1
,2
]}

Greil, P. ^{[1
,2
]}

机构：

[1] Univ Erlangen Nurnberg, Dept Mat Sci Glass & Ceram, D-91058 Erlangen, Germany

[2] Univ Erlangen Nurnberg, Ctr Adv Mat & Proc, D-90762 Furth, Germany

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 560卷

关键词：

Mechanical properties; SiSiC composites; Three-dimensional printing; Polymer-derived ceramics; Macrocellular lattice structure; Melt infiltration; BONDED SILICON-CARBIDE; COMPOSITES; CERAMICS; MICROSTRUCTURE; FABRICATION; TOUGHNESS;

D O I：

10.1016/j.msea.2012.09.107

中图分类号：

TB3 [工程材料学];

学科分类号：

082905 [生物质能源与材料];

摘要：

Silicon/silicon carbide ceramic composites were fabricated by the three-dimensional printing (3DP (TM)) from Si/SiC/dextrin powder blends. After printing the C/Si/SiC preforms were infiltrated with a liquid silicone resin for transient shape stabilization. The green bodies were pyrolyzed at 1000 degrees C in nitrogen atmosphere resulting in a residue with a porosity of similar to 41%. The porous preforms exhibit excellent infiltration behavior for liquid Si at 1500 degrees C in vacuum. Bending strength, fracture toughness and Young's modulus were analyzed with respect to Si volume fraction. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：851 / 856

页数：6

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