Influence of gelatin coatings on compressive strength of porous hydroxyapatite ceramics

被引：40

作者：

Dressler, M. ^{[1
]}

Dombrowski, E. ^{[1
]}

Simon, U. ^{[1
]}

Boernstein, J. ^{[1
]}

Hodoroaba, V. D. ^{[1
]}

Feigl, M. ^{[1
]}

Grunow, S. ^{[1
]}

Gildenhaar, R. ^{[1
]}

Neumann, M. ^{[1
]}

机构：

[1] BAM Fed Inst Mat Res & Testing, Berlin, Germany

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2011年 / 31卷 / 04期

关键词：

Films; Composites; Strength; Apatite; Biomedical application; MECHANICAL-PROPERTIES; FISH GELATIN; FILMS; BEHAVIOR; COMPOSITES; SCAFFOLDS;

D O I：

10.1016/j.jeurceramsoc.2010.11.004

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：

Porous ceramics prepared by the foam replication technique have a high porosity and low mechanical stability. It has been reported that coating such porous ceramics with gelatin allows for an improved compressive strength. Little details regarding the influence of important gelatin parameters such as concentration, temperature and drying conditions as well as bloom number which is a measure of the gel rigidity, on this toughening effect are available. This paper investigates the influence of these parameters on compressive strength of gelatin coated porous hydroxyapatite ceramics. It was found that concentration in the gelatin sols has a marked impact whereas sol temperature, bloom number and differing conditions during subsequent drying have only little influence on the compressive strength of the coated ceramics. (C) 2010 Elsevier Ltd. All rights reserved.

引用

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页码：523 / 529

页数：7

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