Process for producing a weld-built member

Details Process for producing a weld-built member Process for producing a weld-built member

1987-04-06

1989-01-17

Shaw, Clifford C.

Electric heating

Metal heating

For deposition welding

219 7614, 228184, B23K 904

Patent

active

047989300

ABSTRACT:
Built-up or facing material is melted in an electric arc between a parent member and at least one electrode movable relative to the parent member. As the electrode moves, at least one welding parameter is varied in a predetermined zone of movement in order to form an open channel. After passing this zone, the original welding parameters are restored and a former is placed over the channel to complete the cross-section of the channel. Welding continues until the required wall member has been reached. The former can be subsequently removed by dissolving or decomposition. The open channels may receive neutron-absorbent material where the member is used as a cylindrical storage receptacle for nuclear fuel elements.

REFERENCES:
patent: 3610876 (1971-10-01), Bhat
patent: 3611541 (1971-10-01), Garrett

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