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The impact of tritium on the structure and properties of Pd-membranes

V.G Klevtsov, I.E Boitsov, A.I Vedeneev, M.V Glagolev, A.V Stengach2000年Fusion Engineering and DesignIF 1.7出版社

AbstractInvestigations into the radiogenic helium effect on mechanical properties and structure of the Pd-alloy B-1 have been carried out. For accelerated accumulation of helium in the alloy up to 3190 appm (simulating a long-term permeator operation (∼6 years) when cleaning up the international thermonuclear experimental reactors (ITER) spent D–T fuel mix) the alloy was saturated with tritium at room temperature. High tritium solubility was thus achieved at relatively low pressures. Research results showed that radiogenic helium available in the specimens causes their hardening with significant decrease in plasticity. Structural changes in the specimen material have not been found.

日本語訳

Pd合金B-1の機械的性質と構造に及ぼす放射起源ヘリウムの影響に関する調査を実施した。合金中への3190 appmまでのヘリウムの加速蓄積(国際熱核融合実験炉(ITER)の使用済みD-T燃料混合物の浄化時における長期透過器運転(約6年)を模擬)のため、合金を室温でトリチウムで飽和させた。これにより、比較的低圧力で高いトリチウム溶解度が達成された。研究結果は、試験片中に存在する放射起源ヘリウムが、延性の著しい低下を伴う硬化を引き起こすことを示した。試験片材料における構造変化は見られなかった。

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iter低精度(概要文一致)

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Tritium
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