Shock wave characterization of precipitate strengthening of PH 13–8 Mo stainless steel
Source abstract
Abstract
Abstract The shear stresses required for dislocations passage of highly coherent NiAl-based precipitates, formed in commercial PH 13–8 Mo steel after homogenization, quenching and aging for different duration of time at 510 °C, were determined in a series of planar impact experiments using samples with different thickness. The experiments revealed two regimes of decay of the elastic precursor waves: a fast one, at the shear stress τ greater than some threshold τ*, associated with the interaction of moving dislocations with lattice phonons, and a slow one, at τ
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Research context
OpenAlex topics: High-Velocity Impact and Material Behavior · Energetic Materials and Combustion · Surface Treatment and Residual Stress
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