3309 超高温耐熱セラミックス製アーク風試供試体の事前熱応力解析(S84-2 耐熱構造・材料(2),S84 耐熱構造・材料)

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  • 3309 Pre-test Thermal Stress Analysis of Arc-heated Wind Tunnel Test Specimens made of UHTC

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Arc-heated wind tunnel tests for ZrB_2 specimens are under planning. These specimens have semi cylindrical shapes simulating sharp leading edges needed for future reentry vehicles. Pre-test thermal stress analysis is conducted for them. Maximum stresses increase as the heat rate rising gets steeper. Maximum stress occurring at the side surface edge can exceed the material strength.

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