最終更新日:2025/12/04

The lab concluded that the turbine blade failures were caused by overaging of the aluminum alloy during heat treatment.

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The lab concluded that the turbine blade failures were caused by overaging of the aluminum alloy during heat treatment.

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研究所は、タービンブレードの破損は熱処理中にアルミ合金が過剰な時効処理を受けたことが原因だと結論付けた。

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