Durability of inorganic foam in solution: The role of alkali elements in the geopolymer network

被引：53

作者：

Delair, Stephanie ^{[1
]}

Prud'homme, Elodie ^{[1
]}

Peyratout, Claire ^{[1
]}

Smith, Agnes ^{[1
]}

Michaud, Philippe ^{[1
]}

Eloy, Lilian ^{[2
]}

Joussein, Emmanuel ^{[3
]}

Rossignol, Sylvie ^{[1
]}

机构：

[1] Ecole Natl Super Ceram Ind, GEMH, F-87067 Limoges, France

[2] Univ Poitiers, Catalyse Chim Organ Lab, UMR 6503, CNRS, F-86022 Poitiers, France

[3] Univ Limoges, GRESE, EA 4330, F-87060 Limoges, France

来源：

CORROSION SCIENCE | 2012年 / 59卷

关键词：

Geopolymer; Inorganic foam; Basic species; Stability in solution; Zeolite; K2Si2O5; DISSOLUTION; SODIUM; POTASSIUM;

D O I：

10.1016/j.corsci.2012.03.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The characterization of the behavior of inorganic foams in aqueous media is defined as a function of various parameters (initial pH value of the solution, alkaline element and aging of the foam). The final products and their microstructure depend on the alkaline cation in relation with the hydration shell. Durability tests revealed that the geopolymer foam network is based on three compounds: a dense geopolymer depending on the alkaline element, amorphous silica and M2Si2O5. For potassium foam, a fourth component was also evidenced: a zeolite that is partly responsible for the degradation of this foam. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：213 / 221

页数：9

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