580 mm末级叶片高频钎焊司太立合金防水蚀工艺研究

Study on Water Erosion Prevention of 580 mm Last Stage Blade by High Frequency Brazing Stellite Alloy

文章以透平580 mm汽轮机末级叶片为研究对象,研究了该末级叶片采用钎焊司太立合金片进行防水蚀的工艺参数试验过程。通过制作专用工装,调整电压和加热参数等手段,确定了该叶片可满足设计要求的钎焊工艺参数。

In this paper,taking 580 mm last stage blade of turbine as the object of study,the experiment process of the stellite alloy brazing parameters used for water erosion prevention is explored.By making special tooling,adjusting voltage heating parameters,the brazing parameters can finally meet the design requirements.