This article describes how shielding gas composition, either argon or nitrogen, affects the hardness, tensile strength, and toughness of high-power, high-brightness laser welds made on various base materials, including A508 forging steel, 316L stainless steel, Inconel 690, and solution-annealed IN718.

laser welds, shielding gas composition, weld centerline toughness, weld hardness, weld strength
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Copyright © ASM International® 2012
2012
ASM International
Topics
Manganese steel Fracture toughness testing Laser beam welding Weld strength Microindentation hardness Porosity
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