REDUCTION IN ALUMINUM-ALLOY ATTACK ON ALUMINOSILICATE REFRACTORIES BY ADDITION OF RARE-EARTH-OXIDES

被引：10

作者：

OBRIEN, MH ^{[1
]}

AKINC, M ^{[1
]}

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,ENGN RES INST,DEPT MAT SCI & ENGN,AMES,IA 50011

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 03期

关键词：

aluminosilicates; corrosion; rare earths; reduction; refractories;

D O I：

10.1111/j.1151-2916.1990.tb06543.x

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：

Several aluminosilicate compositions were tested for molten 7075 aluminum alloy attack with and without the addition of 10% Na2CO3. The extent of corrosion was proportional to the silica content of the refractory and especially of the matrix phase. The addition of rare earths up to 15% by weight to the aluminosilicates virtually eiiminated corrosion. Bastnasite, a rare‐earth concentrate, was found to be a more effective additive at low concentrations than either CeO2 or La2O3 alone in rendering the aluminosilicates corrosion resistant. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：491 / 495

页数：5

共 50 条

[1] Reduction in aluminum alloy attack on aluminosilicate refractories by addition of rare-earth oxides
[J]. O'Brien, Michael H., 1600, (73):
[2] ROLE OF CERIA IN ENHANCING THE RESISTANCE OF ALUMINOSILICATE REFRACTORIES TO ATTACK BY MOLTEN ALUMINUM-ALLOY
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[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1989, 72 (06) : 896 - 904
[3] FORMATION OF ALUMINOSILICATE GLASSES CONTAINING RARE-EARTH-OXIDES
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[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1982, 65 (12) : C210 - C210
[4] THE REDUCTION OF RARE-EARTH-OXIDES TO METAL AND THEIR SUBSEQUENT ROLLING
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[J]. SOLID STATE IONICS, 1995, 77 : 147 - 151
[6] NO ADSORPTION, DECOMPOSITION, AND REDUCTION BY METHANE OVER RARE-EARTH-OXIDES
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[8] SPECIFIC-HEATS AND GRUNEISEN CONSTANT OF ALUMINOSILICATE GLASSES CONTAINING RARE-EARTH-OXIDES
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[9] Role of Ceria in enhancing the resistance of aluminosilicate refractories to attack by Molter: Aluminum alloy
[J]. O'Brien, M.H., 1600, Pharmacotherapy Publications Inc. (72):
[10] Role of ceria in enhancing the resistance of aluminosilicate refractories to attack by molten aluminum alloy
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