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Relationship of Mineralogical and Chemical Composition of Refractory Periclases to Modulus of Rupture At 1,500 Deg to 1,600 Deg C.

Authors
McLendon-JT; Raymon-NS; Heystek-H
Source
NTIS: PB 80-122773 :18 pages
Link
NIOSHTIC No.
10007973
Abstract
As part of its research project in developing improved refractory materials for metallurgical applications, the federal Bureau of Mines obtained hot modulus of rupture data at 1,500 deg, 1,550 deg, and 1,600 deg c on samples of 13 refractory periclase materials produced from seawater, lake brines, and natural magnesite. The periclase samples also were characterized to establish chemical and mineralogical composition and microstructure. The results indicated that a high mgo content does not necessarily assure good hot strength and that an optimum and varying cao-sio2 ratio exists for each individual periclase sample. Research at the Tuscaloosa Research Center is carried out under an agreement between the Bureau of Mines, U.S. Department of the Interior, and the University of Alabama.
Publication Date
19790101
Document Type
IH; Report of Investigation;
Fiscal Year
1979
NTIS Accession No.
PB80-122773
NTIS Price
A03
Identifying No.
RI 8386
NIOSH Division
TURC;
Source Name
NTIS: PB 80-122773
State
AL;
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