Non-equal-atomic-ratio high-entropy alloy and method for preparing wire by using same

Abstract

The invention belongs to the technical field of high-entropy alloy wires and preparation, and discloses a non-equal-atomic-ratio high-entropy alloy, a wire and a preparation method thereof. The preparation raw materials are Fe, Mn, Cr and Ni metal particles, and the preparation method comprises the steps that the metal particles are weighed according to the set proportion and melted and poured in a vacuum induction melting furnace, and a non-equal-atomic-ratio high-entropy alloy ingot is prepared; and homogenization heat treatment is carried out on an as-cast non-equal-atomic-ratio high-entropy alloy ingot prepared at an initial stage, then hot rotary swaging is carried out to form a bar, then rolling is carried out through an end rolling machine, and high-temperature annealing and multi-pass drawing are carried out to obtain the wire. The preparation process of the non-equal-atomic-ratio high-entropy alloy wire prepared through the method is simple, any intermediate annealing treatment and surface treatment do not need to be interspersed in the wire drawing process, and the production process of the wire is greatly simplified.

Description

technical field [0001] The invention belongs to metal materials and preparation techniques thereof, and in particular relates to a non-equiatomic ratio high-entropy alloy, its wire material and a preparation method thereof. Background technique [0002] The design concept of traditional metal alloys has always been based on one or two elements as the main component, such as iron-based, aluminum-based, copper-based, magnesium-based alloys, etc., and a small amount of other elements are used to improve performance. In traditional alloys, the performance of the alloy is usually changed by adding a small amount of certain elements. For example, the decorative material aluminum alloy that is often used in life, aluminum is the main element, and a small amount of elements such as magnesium, zinc, and copper are added to the alloy to make the alloy have higher strength. The steel materials such as tool steel, stainless steel, and spring steel currently used are mainly obtained by ...

AI Technical Summary

Problems solved by technology

At present, the known preparation method of high-entropy alloy wire is found by searching the existing technical documents. Stranded wire, its application and preparation method, the high-entropy alloy stranded wire is conducive to promoting the engineering application of high-entropy alloys in the field of additive manufacturing, but there is the possibility of inhomogeneity in the composition of high-entropy alloys

The Chinese patent announcement number is: CN109234601A, the announcement date is: 2019.01.18, and the title of the invention is: a high-entropy alloy solid wire for arc cladding and its preparation method. The high-entropy alloy wire is prepared by mechanical alloy Chemical technology, and then use spray deposition molding technology to prepare alloy ingots, and then cryogenically draw the alloy. This preparation method is more complicated and the cycle is long.

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