Compression Springs for Long Time Operation in Vacuum at 10000 F.

Front Cover
National Aeronautics and Space Administration, 1971 - Electric switchgear - 52 pages
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Contents

SUMMARY
i
INTRODUCTION
ii
SELECTION AND PREPARATION OF CANDIDATE MATERIALS
3
SPRING DESIGN
8
TEST SAMPLES APPARATUS AND PROCEDURES
11
TEST RESULTS AND DISCUSSION
16
CONCLUSIONS
20
REFERENCES
22

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