PROTECTION OF MATERIALS AND STRUCTURES FROM THE SPACE ENVIRONMENT
The goals of the ICPMSE-7 meeting, as in the past years, are to facilitate exchanges between members of the various engineering disciplines involved in development of space materials, including such aspects as environmental hazards of Low Earth Orbi
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Space Technology Proceedings VOLUME 6
PROTECTION OF MATERIALS AND STRUCTURES FROM THE SPACE ENVIRONMENT ICPMSE-7
Edited by Jacob I. Kleiman Integrity Testing Laboratory Inc. Markham, Toronto, Canada
A C.I.P. Catalogue record for this book is available from the Library of Congress.
ISBN-10 ISBN-13 ISBN-10 ISBN-13
1-4020-4281-7 (HB) 978-1-4020-4281-2 (HB) 1-4020-4319-8 (e-book) 978-1-4020-4319-2 (e-book)
Published by Springer, P.O. Box 17, 3300 AA Dordrecht, The Netherlands. www.springer.com
Printed on acid-free paper
All Rights Reserved © 2006 Springer No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Printed in the Netherlands
CONTENTS
Introduction
xi
Acknowledgements
xiii
Organization
xv
Radiation Effects of Protons and Electrons on Backfield Silicon Solar Cells Z. Hu, S. He, and D. Yang Solar Array Arcing in LEO: How Much Charge is Discharged? D. C. Ferguson, B. V. Vayner, and J. T. Galofaro
1
9
Self-Restoration as SEU Protection Mechanism for Reconfigurable On-Board Computing Platform L. Kirischian, V. Geurkov, I. Terterian, and J. Kleiman
21
Synergistic Effect of Protons and Electrons on Radiation Damage of Methyl Silicone Rubber L. Zhang, S. He, D. Yang, and Q. Wei
35
Influence of Electron Radiation on Outgassing of Spacecraft Materials R. H. Khassanchine, A. N. Timofeev, A. N. Galygin, V. I. Kostiuk, and V. M. Tsvelev Effect of Surface Charging on the Erosion Rate of Polyimide Under 5 eV Atomic Oxygen Beam Exposure M. Tagawa, S. Seikyu, K.-I. Maeda, K. Yokota, and N. Ohmae Influence of Space Environment on Spectral Optical Properties of Thermal Control Coatings V. M. Prosvirikov, A. V. Grigorevskiy, L. V. Kiseleva, A. P. Zelenkevich, and V. M. Tsvelev Mitigation of Thruster Plume-Induced Erosion of ISS Sensitive Hardware C. Pankop, J. Alred, and P. Boeder v
43
51
61
71
vi
CONTENTS
Degradation of Thermal Control Coatings Under Influence of Proton Irradiation L. S. Novikov, G. G. Solovyev, V. N. Vasil’ev, A. V. Grigorevskiy, and L. V. Kiseleva Mitigation of Damage to the International Space Station (ISS) from Water Dumps W. Schmidl, J. Visentine, and R. Mikatarian Investigation of Synergistic Effects of Proton and Electron Radiation on the Dyeing of Optical Quartz Glass H. Liu, S. He, H. Geng, D. Yang, and V. V. Abraimov The Role of “Abnormal” Electron Fluxes with Energy 115 nm) of various intensities on transmittance at 300 nm of 152 μm DC93-500 film Intensity (number of VUV suns)
Exposure level (Thousands of ESH)
Transmittance at 300 nm (%)
1.5
0.2 0.37 0.57 0.7 1.12 1.93 0
79.10 70.77 66.24 64.50 55.43 48.76 92.50
3 5.5 0
figure 5(a). It is also evident that degradation increases with increasing equivalent sun hou
