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The process optimization of electron beam active brazing of cubic boron nitride to tungsten carbide cutting tools

Felba J., Friedel K., Habeck M., Krull P., Nitschke-Pagel T., Pobol I., Wohlfahrt H.

Prace Naukowe Politechniki Warszawskiej. Elektronika

1999

z. 123

207-210

Obtaining of the reliable cubic boron nitride (CBN) - tungsten carbide joints is the essential problem in the production of the cutting tool with this superhard material. It can be done by active brazing process in vacuum with an electron beam as a heat source. Using the experimental design method based on Taguchi techniques for quality engineering, it was stated that the heating time, the electron beam current and the roughness of the CBN surface influence mostly the join shear strength.