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Hypervelocity impact tests on Space Shuttle Orbiter RCC thermal protection material (1978)

Humes, D. H.

In: Other Sources

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Publication Date: 2011-08-17

Description: It is noted that the Shuttle Orbiter will be more subject to meteoroid impact than previous spacecraft, due to its greater surface area and longer cumulative time in space. The Orbiter structural material, RCC, a reinforced carbon-carbon laminate with a diffused silicon carbide coating, is evaluated in terms of its resistance to hypervelocity impact. It was found that the specimens (disks with a mass of 34 g and a thickness of 5.0 mm) were cratered only on the front surface when the impact energy was 3 J or less. At 3 J, a trace of the black carbon interior was exposed. The specimens were completely penetrated when the energy was 34 J or greater.

Keywords: COMPOSITE MATERIALS

Type: Journal of Spacecraft and Rockets; 15; July-Aug

Format: text

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