Electron Beam Cold Hearth Refining of Investment Casting Superalloys in a Large Production EB Furnace

@inproceedings{Borofka1992ElectronBC,
  title={Electron Beam Cold Hearth Refining of Investment Casting Superalloys in a Large Production EB Furnace},
  author={Janine C. Borofka and Eva Samuelsson and Gernant E. Maurer and M. Bruce Corp},
  year={1992}
}
Electron beam cold hearth remelting (EBCHR) is increasingly applied to the production of remelt stock for investment casting. In smaller EBCHR furnaces, remelt bars are cast one at a time. Because this method does not lend itself well to production in large EBCHR furnaces, this investigation evaluates a newly developed EB drum casting process and the characteristics of half-round remelt bars produced. Processing parameters investigated were casting rate, mold size and configuration, and hot… CONTINUE READING

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