This standard specifies an assessment method of the copper porosity on copper clad aluminium strands with
or without external coating or on Nickel or silver copper clad aluminium conductors.
AECMA PREN 3867-1994 history
1994AECMA PREN 3867-1994 Aerospace Series Pipe Couplings, Loose Flanges and Seals Flanges in Titanium Alloy TI-P64001 Edition P 1
1993AECMA PREN 3867-1993 Aerospace Series Flanges for Couplings, in Titanium Alloy TI-P63 Issue P1