Method for welding beryllium

Details Method for welding beryllium Method for welding beryllium

1995-08-29

1997-04-01

Ramsey, Kenneth J.

Metal fusion bonding

Process

With pretreating other than heating or cooling of work part...

21912114, 2282621, 428650, B23K 1500

Patent

active

056158262

ABSTRACT:
A method is provided for joining beryllium pieces which comprises: depositing aluminum alloy on at least one beryllium surface; contacting that beryllium surface with at least one other beryllium surface; and welding the aluminum alloy coated beryllium surfaces together. The aluminum alloy may be deposited on the beryllium using gas metal arc welding. The aluminum alloy coated beryllium surfaces may be subjected to elevated temperatures and pressures to reduce porosity before welding the pieces together. The aluminum alloy coated beryllium surfaces may be machined into a desired welding joint configuration before welding. The beryllium may be an alloy of beryllium or a beryllium compound. The aluminum alloy may comprise aluminum and silicon.

REFERENCES:
patent: 3964667 (1976-06-01), Anderson
patent: 4040822 (1977-08-01), Stern
patent: 5161179 (1992-11-01), Suzuki et al.
patent: 5470014 (1995-11-01), Pritchard et al.
Survey of Processes for Joining and Cutting Materials, pp. 1-25; "Physics of Welding," pp. 34-35; Welding Handbook, 7th ed., American Welding Society, discloses basic background information in the welding art.

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