Journal de la métallurgie des poudres et des mines

Abstrait

An Original Added Substance Producing Pressure Overmolding Process for Crossover Metal Polymer Composite Designs

Danish Kumar

Essence polymer mixes combining low viscosity, high strength mixes with largely ductile and tough essence have gained traction over the last many decades as featherlight and high- performance accoutrements for artificial operations. Still, the mechanical parcels are limited by the interfacial cling strength between essence and polymers achieved through bonds, welding, and face treatment processes. In this paper, a new manufacturing process combining cumulative manufacturing and contraction molding to gain cold-blooded essence polymer mixes with enhanced mechanical parcels is presented. Cumulative manufacturing enabled deposit of polymeric material with filaments in a destined pattern to form acclimatized charge or preform for contraction molding [1]. A grade 300 maraging sword triangular chassis is first fabricated using AddUp FormUp350 ray greasepaint bed system and contraction overmolded with additively manufactured long carbon fiber- corroborated polyamide-,6 (40 wt. CF/ PA66) preform. The fabricated mongrel essence polymer mixes showed high stiffness and tensile strength. The stiffness and failure characteristics determined from the uniaxial tensile tests were identified to a finite element model within 20 divagation. Fractographic analyses was performed using microscopy to probe failure mechanisms of the coldblooded structures.