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Thermal fatigue testing of an ITER primary wall small scale mock up

P Lorenzetto, G Le Marois, F Saint-Antonin, M Roedig, A Lodato1998年Fusion Engineering and DesignIF 1.7出版社

AbstractA first primary wall small scale mock up with beryllium as the armor material was manufactured by hot isostatic pressing (HIPing) by CEA and tested at the electron beam test facility JUDITH. The mock up consisted of a 9.4 mm thick beryllium armor joint onto a 20 mm thick dispersion strengthened copper (DS-Cu) alloy plate. Type 316L Stainless Steel tubes, 10/12 mm in diameter were embedded in the DS-Cu, which was subsequently joined onto a 30 mm thick 316LN stainless steel plate. The mock up was tested under a surface heat flux of 2.5 MW m−2 for 100 preparatory cycles and 900 cycles of 30 s heating and 30 s cooling time. At the end of the 1000 cycles, the surface and the Be/DS-Cu joint of the mock up did not show any damage due to the fatigue test.

日本語訳

ベリリウムを装甲材とする小型一次壁モックアップは、CEAによって熱間静水圧プレス(HIP)により製造され、電子ビーム試験施設JUDITHにおいて試験が実施された。本モックアップは、厚さ9.4 mmのベリリウム装甲を、厚さ20 mmの分散強化銅(DS-Cu)合金板に接合した構造であり、直径10/12 mmのType 316Lステンレス鋼管がDS-Cu内に埋め込まれ、その後、厚さ30 mmの316LNステンレス鋼板に接合された。本モックアップは、2.5 MW m⁻²の表面熱流束条件下で、準備段階として100サイクル、その後、加熱30秒・冷却30秒の条件で900サイクルの試験が実施された。1000サイクル終了時において、モックアップの表面およびBe/DS-Cu接合部には、疲労試験による損傷は認められなかった。

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