Avaliação da união de chapas metálicas variando a geometria da ferramenta no processo friction stir welding

Abstract

The high co ple ity of t e main proc sses of alumi um eld ng available at the pres nt, brings s me pp rtuniti s for ew de elo ments in we ding tech ol gy. It is alr ady k own t at the ec niq es invol ed i join ng the most us d pl tes in the in us ry m y cause distorti ns and defor ations the m crostruc ure of lum num p ates. These roblems aff ct he m in mechan cal proper ies f the material, specially wh n heat- re ted undesirable e fect in th manufa tu ing pr cesses Emerge in 90 ’s deca e r searche rela ed to welding wit non- onsum ble pin, amed riction tir Wel ing FSW). Th process rov des the mech nical m xi g of the mater al thro g a specifi rotatin tool, disposed f ody, houlder nd p n. Am ng the ult ple varia les requi ed to perf rm his proc ss, his rese rch s udies th effect f t e varia io of t ol pin ge me ry on wel ed joint n h FSW pro ess, or ela ing he tensil strength and mic ohardne s tests.