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General Atomics’ silicon carbide composite cladding is put to the test

July 11, 2024, 7:00AMNuclear News
SiGA woven silicon carbide nuclear fuel cladding. (Photo: DOE)

Because of its hardness and its hardiness in the face of high temperatures, silicon carbide has been used for industrial purposes for decades. It has proven its worth as a key component of tiny TRISO fuel particles. But SiC has a weakness—in its pure form it is too brittle for use in structural components, such as 12-foot-long light water reactor fuel cladding tubes.

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