mictostructure and failure behavior of resistance spot welded of dissimilar steel sheets HSLA and st12
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IIWC01_035
تاریخ نمایه سازی: 6 مهر 1391
Abstract:
high -strength low alloy HSLA E275 developed specifically for automotive application due to its excellent formability and low weight on the other hand the resistance spot weld of dissimilar materials is generally more challenging than of similar materials due to difference in the physical chemical and mechanical properties of the base metals the influence of the primary welding parameters affecting the heat input such as current and time on the morphology fracture mode microhardness and tensile shear bearing capacity of dissimilar welds between HSLA E275 steel and ST12 steel in two different thicknesses 1.2mm has been investigated in this study.
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Authors
s farhandoust
sharif university
m khorami
materials and energy research center MERC tehran