Welding method of an Si-based material

Details Welding method of an Si-based material Welding method of an Si-based material

2005-02-08

2005-02-08

Shaw, Clifford C. (Department: 1725)

Electric heating

Heating devices

Electric arc-type devices

Reexamination Certificate

active

06852952

ABSTRACT:
The heat of arc plasma generated in arc welding is used to provide a welding method for a Si-based material. The method of the present invention is capable of welding a Si-based material, which is difficult to weld by conventional methods due to its brittle nature and high electric resistance. In an argon gas atmosphere, a tungsten electrode is used as a cathode. A water cooling copper sheet and plate is used as an anode. An arc is generated between this pair of electrodes. The arc length is gradually extended, and a pair of Si-based materials are near an arc column. Fusion welding of a weld zone is carried out while rotating the Si-based materials around an axis.

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