Analogies and differences between quasi-static indentation and hypervelocity impact morphologies on thin solar cells

Morphologies produced by quasi-static indentation on thin Hubble Space Telescope (HST) solar cells show remarkable similarities to much of the hypervelocity damage sustained by the HST solar array whilst in orbit. Quasi-static indentation tests carried out with blunt and sharp indentors reveal analo...

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Bibliographic Details
Published in:International journal of impact engineering 2001-12, Vol.26 (1), p.321-331
Main Authors: Herbert, Mark K., Mandeville, Jean-Claude, Taylor, Emma A., Mcdonnell, J.Anthony M.
Format: Article
Language:English
Subjects:
Ballistics (projectiles
rockets)
Debris
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Hypervelocity
Impact
Indentation
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Meteoroid
Physics
Solar Cell
Solid dynamics (ballistics, collision, multibody system, stabilization...)
Solid mechanics
Spaceborne and space research instruments, apparatus and components (satellites, space vehicles, etc.)
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Summary:Morphologies produced by quasi-static indentation on thin Hubble Space Telescope (HST) solar cells show remarkable similarities to much of the hypervelocity damage sustained by the HST solar array whilst in orbit. Quasi-static indentation tests carried out with blunt and sharp indentors reveal analogies between static and dynamic (hypervelocity) indentation indicating similar fracture mechanics processes over the energy range evaluated. Understanding the static case assists to characterise better the dynamic process and bridge the intervening gap.
ISSN:0734-743X
1879-3509
DOI:10.1016/S0734-743X(01)00101-4