Weld spatter protective coating

Details Weld spatter protective coating Weld spatter protective coating

1984-04-16

1985-07-30

Albritton, C. L.

Electric heating

Metal heating

By arc

219121EC, B23K 1500

Patent

active

045324034

ABSTRACT:
By coating a workpiece with a uniform layer of polyimide containing surfactant upon the nonweld areas, spatter produced in electron beam welding of the workpiece is prevented from adhering to the workpiece surface in the nonweld areas. The polyimide coating is so constituted as to be adherent, heat stable, acid resistant, and chemically removeable. Silicone surfactant is preferred.

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patent: 4022925 (1977-05-01), Reuter et al.
patent: 4052524 (1977-10-01), Harakas et al.
patent: 4150181 (1979-04-01), Smith
patent: 4156807 (1979-05-01), Howard et al.
patent: 4218498 (1980-08-01), Cohen
patent: 4239954 (1980-12-01), Howard et al.

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