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Sintering of Lunar Glass and BasaltExperiments were conducted to study the sintering behavior of glass and basalt lunar soil simulants. The degree of sintering was assessed by compressive strength testing and microanalysis. Both crushed glass and basalt sinter significantly at 1000 C, with the basalt attaining its maximum strength at 1100 C. Initial sintering occurs in less than 15 min, and the degree of sintering does not increase significantly with time after about 30 min. Glass sinters more readily than crystalline material. Sintering and devitrification both occur on a time scale of minutes in the heated glass, but sintering is apparently more rapid. The processes of sintering and oxygen release by hydrogen reduction of lunar soil are synergistic, and could be combined to produce two extremely useful products at a lunar base.
Document ID
19930058083
Acquisition Source
Johnson Space Center
Document Type
Conference Paper
Authors
Carlton C. Allen
(Lockheed Martin (United States) Bethesda, Maryland, United States)
Joy A. Hines
(University of California, San Diego San Diego, California, United States)
David S. McKay
(Johnson Space Center Houston, Texas, United States)
Richard V Morris
(Johnson Space Center Houston, Texas, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1992
Publication Information
Publication: Engineering, Construction, and Operations in Space III: Space '92; Proceedings of the 3rd International Conference (A93-41976 17-12)
Publisher: American Society of Civil Engineers
Volume: 2
ISBN: 9780872628687
Subject Category
Ground Support Systems And Facilities (Space)
Meeting Information
Meeting: 3rd International Conference (Space '92)
Location: Denver, CO
Country: US
Start Date: May 31, 1992
End Date: June 4, 1992
Sponsors: American Society of Civil Engineers
Accession Number
93A42080
Distribution Limits
Public
Copyright
Content with NO Permission
Keywords
Compressive strength
Space construction
Space colonies
Materials processing
Moon
Glass
Volcanic deposits

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