S0420202 Degradation and deformation of carbon phenolic ablator under elevated temperature : About the Use of the JSME Specification Template File

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  • S0420202 炭素繊維強化フェノール樹脂の昇温過程における劣化と変形([S042-02]セラミックスおよびセラミックス系複合材料(2),機械材料・材料加工部門)

Abstract

The degradation and deformation of an ablator made of carbon fiber reinforced phenolic resin was observed after arc-plasma wind tunnel tests. The observation revealed the delamination was generated inside material and it caused the expansion in an out-of-plane direction. Under such a rapid heating condition, the thermal stress is induced inside material. In order to simulate the thermal stress inside material heated by the arc wind tunnel tests, temperature distributions and thermal stresses were calculated using simulation software: ABAQUAS. The thermal stress compressed in the in-plane direction by 10〜11 MPa which is close to the compressive strength of it. Consequently, the delamination observed after heating resulted from the rapid one-dimensional heating generating the thermal stress.

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