Amorphous/amorphous nano structured alloy
A nanostructure and alloy technology, which is applied in the field of manufacturing or forming amorphous/amorphous nanostructure alloy materials and powders, and can solve the problems of few industrial applications of amorphous nanostructure materials
Inactive Publication Date: 2008-11-12
王青松
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Most of the current applications are to generate microscopic materials such as nano-powders and nano-whiskers, but the industrial application of amorphous nano-structured materials is not achieved by generating nano-phases in the matrix of amorphous materials through the control of material composition and temperature regime. many
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[0010] More than 20 kinds of alloys were prepared by adopting the composition of the amorphous nanostructure alloy material of the present invention, and the composition of some furnace numbers is shown in Table 1.
[0011] Table 1 Chemical composition of four kinds of amorphous / amorphous nanostructure alloys, % by weight:
[0012]
[0013] Melt the above alloy in a high-frequency induction furnace, then cool the alloy solution to make powder, and obtain amorphous alloy powder. The X-ray diffraction curve of a certain furnace powder is shown in Figure 1. In the diffraction spectrum of the crystal alloy powder, there is no obvious Debye line, but a diffuse scattering curve.
[0014] For the alloy melt with the same composition, the powder of the amorphous nanostructure alloy powder can be obtained by properly reducing the cooling rate or undergoing a certain heat treatment process. The X-ray diffraction curve of the powder is shown in Figure 2. It can be seen from the diffra...
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Abstract
The present invention belongs to the field of amorphous nanometer alloy, and is suitable for making amorphous / amorphous nanometer alloy. Chemically, the alloy of the present invention consists of Mo 2-14 wt%, Cr 3-14 wt%, Ni 1-6 wt%, P 4-8 wt%, Si 1-5 wt%, B 1-4 wt%, C less than 0.5 wt% and impurity less than 1 wt%, except Fe. The alloy has low critical cooling speed, so that amorphous alloy powder may be obtained through common fast cooling method. By means of proper temperature lowering speed control, amorphous structure and nanometer crystal may be obtained. The amorphous nanometer structure alloy has relatively high crystallization temperature of 770-820 deg.c, and the advantages of both amorphous and nanometer crystal, and may be used to produce alloy powder and product with high hardness, high corrosion resistance, high wear resistance, etc. In addition, the alloy material has relaxed impurity requirement, low cost and simple preparation process.
Description
Technical field: [0001] The invention belongs to the field of amorphous / amorphous nano-alloys, and is mainly used in manufacturing or forming amorphous / amorphous nano-structure alloy materials and powders. Background technique: [0002] At present, the application of amorphous materials is mainly in the fields of electricity and magnetism, and its good mechanical properties have not been well utilized. The main reason is that the formation of amorphous alloys requires relatively high cooling rates. Therefore, it is difficult to form bulk amorphous material. Therefore, most of the current amorphous surfaces are obtained by methods such as surface treatment or spraying. [0003] The current research on nanomaterials has penetrated into many fields. Nanomaterials have special electrical, magnetic and mechanical properties due to their unique physical properties. Most of the current applications are to generate microscopic materials such as nano-powders and nano-whiskers, but...
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IPC IPC(8): C22C45/00C22C45/02
Inventor 王青松
Owner 王青松