A room temperature self-curing metal injection molding filler and its application method

Abstract

The invention discloses a room-temperature self-curing metal injection molding filler and a method for using the metal injection molding filler. The metal injection molding filler is a metal mixture, which is viscous at room temperature; Metal, metal powder with a melting point above 500 degrees Celsius, the low melting point metal with a melting point above 30 degrees Celsius and the alloy reactant of the metal powder; wherein, the mass of the metal element in the metal powder in the metal mixture Score 20%‑36%. The metal injection molding filler in the present invention can be in a liquid state or a paste state at room temperature to realize injection molding. And without heating, sintering and other processes, it can achieve self-curing through alloy reaction at room temperature. The entire injection molding process does not require heating, which is convenient and safe. Moreover, the materials are all composed of metals, have good electrical and thermal conductivity, and can be used to manufacture devices with complex shapes that require electrical and thermal conductivity.

Description

technical field [0001] The invention belongs to the technical field of fillers, and in particular relates to a room-temperature self-curing metal injection molding filler and a use method thereof. Background technique [0002] Injection molding refers to a plastic processing method in which plastics are plasticized in the heating barrel of an injection molding machine and injected into the cavity of a closed mold to form a product. This method can process products with complex shapes, precise dimensions or inserts, and has high production efficiency. Most of the materials used for injection molding are thermoplastics and some thermosetting plastics, so injection molding is often referred to as injection molding. [0003] Traditional injection molding materials are all organic plastics, and there are new researches that use metal materials for injection molding. The main methods are metal powder slurry injection molding and molten metal injection molding. The former is to m...

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Problems solved by technology

[0005] In view of this, an object of the present invention is to propose a room temperature self-curing metal injection molding filler, to solve the problem that injection molding needs additional heating in the prior art

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