Bioinspired Hydroxyapatite/Poly(methyl methacrylate) Composite with a Nacre-Mimetic Architecture by a Bidirectional Freezing Method

被引：347

作者：

Bai, Hao ^{[1
]}

Walsh, Flynn ^{[1
]}

Gludovatz, Bernd ^{[1
]}

Delattre, Benjamin ^{[1
,2
]}

Huang, Caili ^{[1
]}

Chen, Yuan ^{[1
]}

Tomsia, Antoni P. ^{[1
]}

Ritchie, Robert O. ^{[1
,3
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA

[2] Univ Mons, Lab Phys Surfaces & Interfaces, B-7000 Mons, Belgium

[3] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 01期

关键词：

MECHANICAL-PROPERTIES; MORPHOLOGICAL PROPERTIES; HYBRID MATERIALS; TOUGH; CERAMICS; STRENGTH; DESIGN;

D O I：

10.1002/adma.201504313

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using a bidirectional freezing technique, combined with uniaxial pressing and in situ polymerization, "nacre-mimetic" hydroxyapatite/poly(methyl methacrylate) (PMMA) composites are developed by processing large-scale aligned lamellar ceramic scaffolds. Structural and mechanical characterization shows "brick-and-mortar" structures, akin to nacre, with interesting combinations of strength, stiffness, and work of fracture, which provide a pathway to making strong and tough lightweight materials.

引用

页码：50 / +

页数：8

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