High-strength metal ceramic used for cutting nonferrous metal sheet and preparation method thereof

Abstract

The invention discloses high-strength metal ceramic used for cutting a nonferrous metal sheet and a preparation method thereof. The preparation method includes the following steps that a, original TiC powder, original Mo powder, original Ni powder and NbC powder are taken and ground through a ball milling medium for 48-64 h, and then slurry is obtained, specifically, the average fisher particle size of the original TiC powder is not greater than 1.0 [mu]m, and the mass ratio of the original TiC powder is 44%-46%; the average fisher particle size of the original Mo powder is not greater than 1.0 [mu]m, and the mass ratio of the original Mo powder is 14%-16%; the average fisher particle size of the original Ni powder is not greater than 1.0 [mu]m, and the mass ratio of the original Ni powder is 38%-40%; the average fisher particle size of the NbC powder is not greater than 1.0 [mu]m, and the mass ratio of the NbC powder is 0.8%-1.2%; the ball milling medium comprises hard alloy bar balls and absolute ethyl alcohol, or comprises hard alloy bar balls and No.120 aviation gasoline; b, the slurry obtained through the step a enters a stainless steel container through a stainless steel screen; and c, after the slurry is subjected to standing in the stainless steel container for 24 hours and under the condition that the ball milling medium comprises the hard alloy bar balls and the absolute ethyl alcohol, the absolute ethyl alcohol on the upper layer of the slurry is taken out.

Description

technical field [0001] The invention relates to a cermet and a preparation method thereof, in particular to a high-strength cermet for cutting nonferrous metal sheets and a preparation method thereof. Background technique [0002] For the cutting and forming of non-ferrous metal sheets, special materials are often used. With the development of modern industry, people's exploration and research on materials for cutting and forming are constantly being updated. How to develop cutting and forming with excellent performance and low cost The use of materials has become a topic of focus for relevant researchers and engineers. The cutting and forming of tin steel sheets for transformers in the prior art usually uses steel-bonded alloys. However, the steel-bonded alloys themselves have the disadvantages of high cost and short service life. [0003] In view of this, it is necessary to provide a new type of high-strength cermet for cutting non-ferrous metal sheets to overcome or alle...

AI Technical Summary

Problems solved by technology

In the prior art, the cutting and forming of tin steel sheets for transformers usually use steel-bonded alloys. However, the steel-bonded alloys themselves have the disadvantages of high cost and short service life.

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