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New concept of damage evaluation method for core internal materials considering radiation induced stress relaxation, 2; Simulation of material degradation behavior using integrated model

照射誘起応力緩和を考慮した炉内構造材料の損傷評価法の新しい概念,2; 統合モデルを用いた材料劣化挙動のシミュレーション

加治 芳行 ; 三輪 幸夫; 近藤 啓悦 ; 大久保 成彰  ; 塚田 隆 

Kaji, Yoshiyuki; Miwa, Yukio; Kondo, Keietsu; Okubo, Nariaki; Tsukada, Takashi

本論文では、溶接による残留応力の作用下でのき裂部における長時間の照射誘起応力腐食割れ(IASCC)挙動を照射誘起応力緩和(RISR)を考慮してシミュレーションした結果について述べる。

In this paper, we describe the simulation results of the irradiation assisted stress corrosion cracking (IASCC) behavior at the flaws considering the radiation induced stress relaxation (RISR) with residual stress introduced by the welding process for a long operation period.

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