Masters Theses

Abstract

"High-alumina refractories (99+ % Al₂O₃) were produced by pressing a mixture of 70% tabular alumina and 30% reactive alumina and autoclaving in saturated steam at 1.4 MPa (200 psia)/194 °C to 3.4 MPa (500 psia)/242 °C for 12 to 96 h. Autoclaving converted the reactive alumina to boehmite which acted as the bond phase. At room temperature the MOR ranged up to 37 MPa depending upon boehmite content. The hot-MOR decreased steadily with increasing temperature, but was still 8 MPa at 1400 °C which exceeds that of comparable cement-bonded or conventionally fired high-alumina refractories. The estimated autoclaving costs are lower than conventional firing costs, but the overall economics of boehmite-bonded refractories are highly dependent upon the cost of the alumina used to form boehmite"--Abstract, page 1.

Advisor(s)

Day, D. E.

Committee Member(s)

Lewis, Gordon

Department(s)

Materials Science and Engineering

Degree Name

M.S. in Ceramic Engineering

Sponsor(s)

Materials Research Center

Publisher

University of Missouri--Rolla

Publication Date

1979

Pagination

viii, 53 pages

Note about bibliography

Includes bibliographical references (pages 39-41).

Rights

© 1979 Gerhard H. Schiroky, All rights reserved.

Document Type

Thesis - Open Access

File Type

text

Language

English

Thesis Number

T 4557

Print OCLC #

6027062

Electronic OCLC #

1044758145

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