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Glass forming ability and crystallization in the PbOAl2O3system

Authors
Journal
Journal of Non-Crystalline Solids
0022-3093
Publisher
Elsevier
Publication Date
Volume
44
Issue
1
Identifiers
DOI: 10.1016/0022-3093(81)90136-8

Abstract

Abstract The formation of glass by the splat-quenching of PbOAl 2O 3 melts was confirmed in the range 67–95 mol.% PbO. The crystallization of the glasses obtained in this way was examined by thermal analysis, dark field microscopy, X-ray diffraction and IR spectroscopy. This crystallization is generally a two-step process: orthorhombic PbO crystallizes first around 280–360°C depending on the composition, then the aluminate PbO · Al 2O 3 crystallizes around the rather constant temperature of 600°C.

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