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This paper presents techniques for testing foil-gage honeycomb sandwich structures at elevated temperatures. Also included are the results of tests that were used to determine edge compressive strength, core shear strength, and core crushing strengths of a particular sandwich construction. These results are compared with empirical design values to show that refractory foil sandwich structures are practical and that further development work would be desirable.
Hunter, A. R.
Research engineer, Lockheed Missiles and Space Co., Palo Alto, Calif.