Experimental investigation into metal micro-patterning by laser on polymer-metal hybrid joining
作者： E. Rodríguez-Vidal , C. Sanz , J. Lambarri , I. Quintana
DOI: 10.1016/J.OPTLASTEC.2018.02.003
关键词:
摘要: Abstract Surface modification pretreatment on laser direct joining of glass fibre reinforced polyamide to steel was studied assess its effect the joint's mechanical performance. The part structured by radiation accomplish a proper interlock when with polymer. In second step, opposite side micro-structured metal irradiated continuous wave (cw) system until reaching melting temperature polymer in both materials interface. micro-structuring produced two different sources (nanosecond pulses (ns) and cw) order study groove geometries failure force under tensile-shear tests. impact structure density clamping pressure also assessed. A tight dependence aspect ratio recast material height patterns joint’s found for micro-patterns that were nanosecond pulses. greatest strength achieved case ns-pulses. trend concerning validated ns-pulses cw-radiation. changes did not evidence significant influence joint quality. morphological features detached surfaces showed micro-geometric has meaningful mode structures generated
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