Lunar Cement Formulation

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Title: Lunar Cement Formulation

Author(s): A. Mishulovich, Tung D. Lin, S. W. Tresouthick, and P. B. West

Publication: Special Publication

Volume: 125

Issue:

Appears on pages(s): 255-264

Keywords: alkalies; anorthite; basalt; cements; glass; lunar bases; lunar rock; manufacturing; phase diagrams; simulation; Materials Research

Date: 5/1/1991

Abstract:
Based on the available data on abundance and composition of lunar materials, lunar basalts were selected as a prospective base source for cement production. Methods of increasing calcium content of natural raw materials were developed. The experimental study was conducted in two directions: sintering mixes of natural materials with CaO and activating mineral glasses obtained by beneficiation of the natural rocks. In both cases, the terrestrial materials were selected to simulate the lunar rocks. The sintered cement exhibited properties analogous to those of known portland cements. The vitreous material simulating the composition of beneficiated lunar rocks developed cementitious properties when it was activated by the chemical agent and cured under the conditions of high humidity and elevated temperatures.