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← ScienceWhich outcome occurs with pulsed electromagnetic field welding?
A)Reduced heat-affected zone develops✓
B)Increased porosity within weldments
C)Enhanced tensile strength reduction
D)Elevated material cracking susceptibility
💡 Explanation
Smaller heat-affected zones develop through pulsed electromagnetic field welding because eddy current heating is precisely controlled by localized magnetic fields, therefore limiting thermal diffusion, rather than promoting widespread heat input.
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