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The residual stress produced in plasma transferred arc welding (PTAW) has strong effects on the service performance of remanufacturing components. In this study, a novel non-destructive testing method based on spontaneous magnetic signals is used to characterize the residual stress in PTAW. Experimental results show that both magnetic signal tangential components Hp(x) and normal components Hp(y)...
Laser cladding exhibits highly complex heat transfer and thermo-elastic-plastic-flow changes. The multi-physics field coupling changes affect heat transfer, mass transfer, solidification, and phase transformation behavior. The quick cooling and rapid heating of the laser cladding process cause complex residual stress and deformation, which ultimately affect the quality of the cladding layer. It is...
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