Extruded ZrSiO4 particulate-reinforced LZSA glass-ceramics matrix composite

被引：13

作者：

Bertan, F. M. ^{[2
]}

Montedo, O. R. K. ^{[2
]}

Rambo, C. R. ^{[1
]}

Hotza, D. ^{[1
]}

Nouaes de Oliveira, A. P. ^{[3
]}

机构：

[1] Univ Fed Santa Catarina, Dept Chem Engn EQA, BR-88040900 Florianopolis, SC, Brazil

[2] Ctr Technol Mat, SENAI CTCmat, BR-88802330 Criciuma, SC, Brazil

[3] Univ Fed Santa Catarina, Dept Mech Engn, BR-88040900 Florianopolis, SC, Brazil

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2009年 / 209卷 / 03期

关键词：

Extrusion; Glass-ceramics; Sintering; Crystallization; CRYSTALLIZATION; SYSTEM;

D O I：

10.1016/j.jmatprotec.2008.03.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work reports on the characterization of ZrSiO4 particulate-reinforced Li2O-ZrO2-SiCl2-Al2O3 (LZSA) glass-ceramic matrix composite added with bentonite as binder and formed by extrusion. The glass batches and composites were characterized on the point of view of their typical physical/mechanical and chemical properties. Composition with 60 wt.% ZrSiO4 was preliminary selected, since it showed the best results in terms of bending strength (190 MPa) and deep abrasion resistance (51 mm(3)). The same composition as before but added with 7 wt.% bentonite was selected for further studies since it exhibited the highest plasticity index, which resulted in good billets after extrusion. In this last case, the extruded samples, after sintering at 1150 degrees C for 10 min, showed a thermal linear shrinkage of 14% and deep abrasion resistance and bending strength of 51 mm(3) and 220 MPa, respectively (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1134 / 1142

页数：9

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