NASA NTRS · 20080004292
Reduced heat input keyhole welding through improved joint design
Abstract
An improved high energy density welding method for reducing input keyhole welding prepares the weld joint (8) between two edges (10, 14) of at least one member by separating the edges (10, 14) of the member (12, 16) with a controllable gap (22) by a projecting portion (24) selectively positioned on one edge (10, 14) of the member (12, 16). The projecting portion (24) closely abuts the other edge of the member for maintaining the controlled distance (d) of the controllable gap (22) to enhance the welding method.
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Sanders, John M., Harwig, Dennis D.. 1993-02-02. Reduced heat input keyhole welding through improved joint design. https://ntrs.nasa.gov/citations/20080004292
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