Process for fabrication of high impact strength composites

Details Process for fabrication of high impact strength composites Process for fabrication of high impact strength composites

1976-05-12

1977-05-24

Jones, Jr., James L.

Metal fusion bonding

Process

Diffusion type

228206, 228211, B23K 1900

Patent

active

040250369

ABSTRACT:
An improved method for treating surfaces of aluminum sheets, and in particular, boron reinforced aluminum sheets, to render such sheets more amenable to diffusion bonding which consists in contacting the sheets prior to such diffusion bonding with an aqueous solution containing chloride ions to thereby cause etch pitting on the surfaces.

REFERENCES:
patent: 3937387 (1976-02-01), Fletcher et al.
N. M. Voropai et al., "Pre-welding Chemical Treatment of the Surfaces of Aluminum and its Alloys", Autom. Weld. (GB), vol. 24, No. 12, (Dec. 1971), S 2753 0015.

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