The early losing effectiveness causes of the superheater pipe welding joint were investigated and analysed. 針對某電廠異種鋼焊接接頭高溫早期失效的過熱器管件進行了調查研究和失效分析。
The equipment of ultrasonic peening for increasing fatigue strength of a welded joint is imposed and a corresponding ultrasonic peening prototype is manufactured. 對超聲波衝擊以提高焊接接頭疲勞強度的裝置進行了研究，研製出一台可用於實際衝擊處理的樣機。
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