A Rapid Prototyping Method for Amorphous Alloy Parts

Abstract

The invention discloses a rapid forming method for amorphous alloy parts. The rapid forming method includes the steps that first, a capacitor in an electromagnetic forming system is charged, and then amorphous alloy is heated rapidly through electric pulse discharging, so that the temperature of the amorphous alloy is raised to a supercooled liquid temperature; electric pulse discharging stops when the temperature reaches the set temperature, and the capacitor of the electromagnetic forming system is made to discharge electricity at the same time, electromagnetic force is generated and drives the amorphous alloy in the supercooled liquid state to deform in a die, and therefore the amorphous alloy parts are rapidly formed. The invention further discloses the amorphous alloy parts made through the method. Through the improvement of the heating mode, the forming drive mode and corresponding tools in the thermoplastic forming process, the amorphous alloy parts can be rapidly formed. According to the method, the temperature rising speed is high, the forming time is short, the amorphous alloy can be prevented from being oxidized and crystallized, and the surface quality and precision of the prepared parts are high.

Description

technical field [0001] The invention belongs to the field of forming and manufacturing amorphous alloy materials, and in particular relates to a rapid forming method for amorphous alloy parts. Background technique [0002] Amorphous alloy (also known as metallic glass) is a new type of metal material. Because of its special atomic structure with long-range disorder, it has a series of mechanical, physical and chemical properties that are obviously superior to crystalline materials. For example, amorphous alloys are in The supercooled liquid region (the temperature rises to the region between the glass transition temperature and the crystallization temperature) has superplasticity, low forming temperature and small forming force. And studies have shown that the volume shrinkage of amorphous alloys during thermoplastic forming is 25 times lower than that of conventional crystalline materials, which is more conducive to ensuring the high precision of formed products and realizi...

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Problems solved by technology

However, the existing thermoplastic forming methods also have obvious defects or deficiencies, such as micro-nano imprinting, extrusion, blow molding and other methods that require high vacuum degree, easy to oxidize without gas protection, long forming process, low efficiency, and forming High temperature can easily cause crystallization of amorphous alloys

[0004] The current method of thermoplastically forming amorphous alloy parts, because of the above-mentioned defects, will affect the production efficiency, precision and surface quality of the product, especially for some products that require high precision and high surface quality, the existing amorphous alloy The forming method cannot meet the requirements

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