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Fe-based amorphous nano-coating powder and its argon atomization production

An amorphous nanocrystalline and spraying powder technology is applied in the field of Fe-based amorphous nanocrystalline spraying powder and its argon atomization preparation, and achieves the effects of reasonable powder particle size distribution, good sphericity and good fluidity

Inactive Publication Date: 2007-09-05
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

The object of the present invention is to provide a Fe-based amorphous nanocrystalline spray powder and its argon atomization preparation method, which solves how to obtain the amorphous nanocrystalline coating more simply by the amorphous nanocrystallization of the spray powder The problem

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Abstract

A Fe-based amorphous nano-crystal spraying powder and its argon atomizing production are disclosed. The spraying powder consists of Cr 8-15wt%, Ni 8-16wt%, Si 2.8-5.7wt%, B 2.8-5wt%, W 2-8wt%, Mo 2-8wt%, Co 0.5-1wt%, Al 1-4wt% and Fe residues. The process is carried out by proportioning for ingredients, vacuum smelting, atomizing and screening powders. It has excellent fluidity and stability.

Description

technical field The present invention relates to the technical field of amorphous and nanocrystalline powders, in particular to a Fe-based amorphous and nanocrystalline spray powder and an argon atomization preparation method thereof. Background technique Amorphous-nanocrystalline materials have more unique and excellent properties than traditional materials, and are promising new materials. However, in practice, until now, these materials have not been widely used. The main factor is that their preparation process is difficult to control, and their applications are mainly limited to low-dimensional shapes such as thin strips, filaments, and powders. Relatively speaking, the preparation process of amorphous and nanocrystalline coatings is relatively easy to realize. Among many methods of preparing coatings, thermal spraying technology is a very competitive technology, and it is also a very promising technology. The use of thermal spraying technology to obtain amorphous-nan...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C45/02C22C24/00C22C33/04B22F9/08
Inventor 樊自拴王勇张丽娜孙冬柏孟惠民俞宏英王旭东
Owner UNIV OF SCI & TECH BEIJING
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