1GUREVICH S M,ZAMAKOV V N.Some characteristic features of the welding of titanium with a non-consumable electrode using fluxes[J].Avt Svarka, 1966(12): 13-16.
8Kazuhiko kamo. Application of GTA Welding with Activating Flux ⅡW Doc.
9W Lucas and D Howse. Activeating flux increasing the performance and plasma processes. Welding and Metal Fabrication, 1996,4.
10M. M. Savitskii and G. L. Leskov. The mechenism of the effects of electyically negative elements on the penetrating power of an arc with a tungsten cathode. Ave.Svarka, 1980