High porosity chained aggregates from the topsoil of the lunar regolith dust
Zbik, Marek, Frost, Ray, Hughes, Stephen, & Powell, Sean (2009) High porosity chained aggregates from the topsoil of the lunar regolith dust. In 9th Australasian Space Science Conference (ASSC), 28-30 September 2009, University of Sydney. (Unpublished)
The unusual behaviour of fine lunar regolith like stickiness and low heat conductivity is dominated by the structural arrangement of its finest fraction. Here, we show the previously unknown phenomenon of a globular 3D superstructure within the dust fraction of regolith. A study using the recently developed Transmission X-ray Microscopy (TXM) with tomographic reconstruction reveals a highly porous network of cellular voids in the finest dust fraction aggregates in lunar soil. Such porous chained aggregates are composed of sub-micron particles that form a network of cellular voids a few micrometers in diameter. Discovery of such a superstructure within the finest fraction of lunar topsoil enables a model of heat transfer to be constructed.
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|Item Type:||Conference Item (Poster)|
|Keywords:||moon, lunar, regolith, topsoil, thermal conductivity|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > ASTRONOMICAL AND SPACE SCIENCES (020100) > Planetary Science (excl. Extraterrestrial Geology) (020108)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Past > Schools > School of Physical & Chemical Sciences
|Copyright Owner:||Copyright 2009 Marek Zbik|
|Deposited On:||02 Dec 2009 12:50|
|Last Modified:||10 Jun 2010 00:12|
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