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321ステンレスの通常の溶接では、固溶処理後に亀裂が発生する

2018-06-29View Original

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321ステンレスの通常の溶接では放射線検査に合格するが、固溶処理後に亀裂が発生する。工程を変更して溶接し、まず安定化処理を行い、900℃で正常化処理を施した後、室温まで空冷してから固溶処理を行ったところ、亀裂は検出されなかった。どなたか専門家の方、ご説明いただけますでしょうか。よろしくお願いします

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