Blowhole.multidot.pit preventing agent and arc-welding method us

Details Blowhole.multidot.pit preventing agent and arc-welding method us Blowhole.multidot.pit preventing agent and arc-welding method us

1987-10-21

1990-02-27

Picard, Leo P.

Electric heating

Metal heating

By arc

219 92, B23K 900

Patent

active

049048422

ABSTRACT:
In lap joint welding of galvanized sheets, the occurence of blowhole and pit is prevented by applying a blowhole.multidot.pit preventing agent comprising a phosphorus compound as an effective ingredient prior to the arc-welding.

REFERENCES:
patent: 3102190 (1964-04-01), Chapleur
patent: 4110117 (1978-08-01), McLeod
patent: 4444353 (1984-04-01), McMurray
patent: 4701302 (1987-10-01), Dommer et al.

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