Development of joining technique for steel/fluororesin based on resistance heating

Dump trucks are widely used in the construction industry. When sand is discharged from a dump truck bed, friction with bed causes to remain on bed. Therefore, it desirable develop technology adhere low-friction fluororesin steel plates of This study develops technique for directly joining dissimilar materials, namely and polytetrafluoroethylene (PTFE), using one-sided seam welding investigates effects heat input pressure conditions quality. The that affect quality examined. results show tensile shear strength tends increase increasing input. Furthermore, found amount PTFE deformation fracture morphology during testing change roller pressurization. For machine, anchor effect occurs between electrodes pressurization but does not occur without It also type (dense or dispersed) depends whether applied. suggested different caused by form occurrence effect. was assumed changed as increased test, approaching elongation limit PTFE. when rollers were cooled cooling function rollers, number anchors be lower than cooled. result thermal contraction concave area peel off. From these results, reason dispersed due influence removal