Metal-based polymer material preparation method, composite material preparation method and prepared mold

Abstract

The invention belongs to the technical field of composite materials, and particularly relates to a metal-based polymer material preparation method. The method comprises the following steps of adding epoxy resin into a reaction kettle, heating and uniformly dispersing, adding 5-10 parts of modified epoxy resin, adding an epoxy diluent and a dispersing agent, adding an anti-settling aid, adding a polymerization aid, adding a defoaming agent, mixing Ti, iron oxide powder, electrolytic iron powder, reduced iron powder, carbon black, Cr, Mn, Mg, Zn, Wc, Al and ceramic micro powder to form metal mixed powder, and adding the metal mixed powder into a resin mixed solution, stirring, and defoaming. The preparation method of the composite material comprises the following steps of uniformly stirringthe curing agent and the high polymer material, controlling the temperature to be 20-35 DEG C for preliminary curing, and curing after the temperature is 80-160 DEG C to obtain the finished product. And the mold is made of a polymer composite material. And the prepared mold is high in strength and hardness, small in contractibility and good in sedimentation resistance.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a method for preparing a metal-based polymer material, a method for preparing a composite material and a mold thereof. Background technique [0002] Trial production of automobile products generally takes place when vehicle manufacturers need to launch new models or modify or upgrade existing models. The objects of trial production of automobile products mainly refer to prototype cars, body parts, body parts, interior and exterior trims and components. There are generally three types of prototype vehicles: concept vehicles, verification vehicles and test vehicles. Conceptual design focuses more on appearance and shape; while the design and trial production of demonstration vehicles and test vehicles emphasizes reasonable size and qualified quality; Most of the trial parts are stamping and sheet metal parts, and cold stamping technology is generally used t...

AI Technical Summary

Problems solved by technology

[0007] Gray cast iron (FC30): serious pollution in the casting process, high energy consumption, long cycle time, difficult processing, increasing overall cost, low strength and fatigue;

[0008] At present, the common problem of polymer alloy molds in the market is that the hardness of the molds is insufficient, and the number of pressed metal sheets is less than 200 pieces, which cannot reach an economical scale;

[0009] Alloy materials, high cost, rapid trial mold zinc-based alloy (ZAS) is a recyclable mold material, melted at 550 ℃ and returned to the furnace, the casting cycle is about a week faster than FC30, but the hardness is lower. About 100 stamping parts need to be repaired Molds, thin plates and shallow stretched parts will be used. Due to the low strength of low melting point alloy materials (the tensile strength is only about 60MPa), it is not very suitable for plates with a thickness of more than 1.5mm.

Images