Welcome to Prof. Leijun Li's research group. We conduct sponsored research in physical metallurgy, welding metallurgy, and additive manufacturing by characterizing microstructure, measuring mechanical properties, and modeling the heat and mass transfer during non-equilibrium phase transformations.

Newest publication: We recently comprehensively studied the evolution of texture in a welded pipeline steel (first page on the right). We found the as-received base metal showed major texture components of (113)[110], (112)[110], and (332)[113]. The as-welded weld interface showed rotated Cube (001)[110] and Goss (110)[001] texture components. The post-weld heat-treatment reduced the texture intensities, but rotated Cube and Goss components were still dominating. These low-index, easy cleavage, slip systems likely have contributed to the low toughness of pipeline ERW welds.

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