STP733

    Fractography of Laser Welds

    Published: Jan 1981


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    Abstract

    A series of high-strength alloys has been laser-beam welded in thicknesses of up to 1.27 cm (0.5 in.). These welds in steels, a titanium alloy, and an aluminum alloy have been tested for their mechanical properties, fracture toughnesses, and hardness. The microstructures of these weldments have been determined in the base plate, heat-affected zone, and fusion area. The fractographic features for each alloy have been determined and correlated with the weldment's properties and structures.

    Keywords:

    fractography, microstructure, high-strength steels, aluminum alloy, titanium alloy, laser-beam welds, fracture toughness, mechanical properties, materials, materials science


    Author Information:

    Metzbower, EA
    Supervisory metallurgist and metallurgist, Naval Research Laboratory, Washington, D.C.,

    Moon, DW
    Supervisory metallurgist and metallurgist, Naval Research Laboratory, Washington, D.C.,


    Paper ID: STP33428S

    Committee/Subcommittee: E08.08

    DOI: 10.1520/STP33428S


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