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Abrasion of Candidate Spacesuit Fabrics by Simulated Lunar DustA protocol has been developed that produced the type of lunar soil abrasion damage observed on Apollo spacesuits. This protocol was then applied to four materials (Kevlar (DuPont), Vectran (Kuraray Co., Ltd.), Orthofabric, and Tyvek (DuPont)) that are candidates for advanced spacesuits. Three of the four new candidate fabrics (all but Vectran) were effective at keeping the dust from penetrating to layers beneath. In the cases of Kevlar and Orthofabric this was accomplished by the addition of a silicone layer. In the case of Tyvek, the paper structure was dense enough to block dust transport. The least abrasive damage was suffered by the Tyvek. This was thought to be due in large part to its non-woven paper structure. The woven structures were all abraded where the top of the weave was struck by the abrasive. Of these, the Orthofabric suffered the least wear, with both Vectran and Kevlar suffering considerably more extensive filament breakage.
Document ID
20090040698
Document Type
Technical Memorandum (TM)
Authors
Gaier, James R. (NASA Glenn Research Center Cleveland, OH, United States)
Meador, Mary Ann (NASA Glenn Research Center Cleveland, OH, United States)
Rogers, Kerry J. (Manchester Coll. North Manchester, IN, United States)
Sheehy, Brennan H. (Oregon Inst. of Tech. Klamath Falls, OR, United States)
Date Acquired
September 8, 2013
Publication Date
October 1, 2009
Subject Category
Lunar and Planetary Science and Exploration
Report/Patent Number
E-16958-1
2009-01-2473
NASA/TM-2009-215800
Meeting Information
39th International Conference on Environmental Systems (ICES)(Savannah, GA)
Funding Number(s)
WBS: WBS 936374.04.08.03
Distribution Limits
Public
Copyright
Public Use Permitted.

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