A kind of preparation method of metal material product

Abstract

The invention discloses a method for preparing a metal material part, which comprises the following steps: taking metal powder, adding an organic adhesive to it and mixing it evenly under the condition of avoiding light, then adding a defoaming agent and mixing it evenly, and waiting for the bubbles to subside Remove surface impurities to obtain mixed slurry; put the mixed slurry into 3D printing molding equipment, use controllable ultraviolet light beams, adopt surface exposure or point scanning methods, and print layer by layer according to the 3D model of the part to make rough metal parts. Blank; the low-temperature degreasing treatment of the rough metal parts, so that the organic binder in the rough body evaporates and overflows; and then hot isostatic pressing treatment to obtain dense metal parts. The method utilizes the light-curing rapid prototyping principle, the shape of the part is not restricted, the process is simplified, the manufacturing cycle is shortened, and the product has better compactness.

Description

technical field

[0001] The invention belongs to the technical field of material preparation, and in particular relates to a method for preparing metal material parts. Background technique

[0002] The method of casting, forging, welding and mechanical processing has always been the main processing and manufacturing method of traditional metal products, which can solve the high-precision manufacturing problems of most common and easy-to-process materials. However, some metal materials with special properties or special uses, such as: high-speed steel, die steel, ultra-high-strength steel, nickel alloy, high-temperature alloy, tungsten alloy, molybdenum alloy, etc., due to the special properties of the material, traditional processing and manufacturing methods cannot Or it is difficult to solve the manufacturing / processing problem, this patent provides a convenient method for processing and manufacturing metal material parts.

[0003] Traditional casting, forging, welding and...