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Continuous preparation equipment and process for fiber-reinforced metal glass composite filament

A technology of metallic glass and composite materials, applied in the field of amorphous alloys, which can solve the problems of long contact time between fibers and alloy liquid, and reduced effect of reinforcements.

Active Publication Date: 2012-09-12
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main method of preparing tungsten wire reinforced bulk metallic glass composites is percolation casting method (document 4, Wang Meiling, Hui Xidong, Dong Wei, Liu Xiongjun, Chen Guoliang. Tungsten wire reinforced ZrTiCuNiBeNb metallic glass matrix composite interface. Chinese Journal of Nonferrous Metals , Vol.14, 2004, P1632, Document 5, Zhang Xingchao, Chen Xiaohua, Zhang Yong. Ultra-high strength and plasticity tungsten wire reinforced ZrTiCuNiBeNb metallic glass composite rare metal materials and engineering, 2008, 37 (Supplement 4): 786-789 ), however, one of the biggest disadvantages of the infiltration casting method is that the contact time between the fiber and the alloy liquid is long. Therefore, an interface reaction occurs between the fiber and the melt or between the fiber and the solidified high-temperature matrix, and the effect of the reinforcement is reduced.

Method used

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  • Continuous preparation equipment and process for fiber-reinforced metal glass composite filament
  • Continuous preparation equipment and process for fiber-reinforced metal glass composite filament
  • Continuous preparation equipment and process for fiber-reinforced metal glass composite filament

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Zr, Ti, Cu, Ni and Be with a purity greater than 99.99% are arc-melted in an argon atmosphere adsorbed by titanium according to the nominal composition ratio, mixed evenly, and cooled to obtain an ingot. The tungsten wire with a diameter of 80 μm was electrochemically polished in 5% NaOH solution to remove the surface oxide film, and then washed in water. The treated tungsten wire is wound on the guide wheel on the upper part of the traction mechanism, and the lead-out part together with the pulverized master alloy is put into the crucible with a small hole at the bottom. One end of the tungsten wire passes through the small hole of the crucible from the inside to the outside. Remelt the Vit1 master alloy at 820oC in the heating furnace and keep it warm. Then, the metal wire impregnated in the melt is pulled down by the motor at a rate of V=30mm / s through the traction mechanism, so that the surface is uniformly impregnated with a layer of alloy liquid. After passing thro...

Embodiment 2

[0036] The technical solution is as in Example 1. In the continuous seepage process, 24 tungsten wires are selected, the diameter of the tungsten wire is 80um, the alloy remelting temperature is adjusted to 750oC, the casting speed of the monofilament coating is adjusted to be V=40mm / s, and the subsequent continuous The pulling speed during the infiltration process is V=20mm / s, and high-quality continuously prepared tungsten wire-reinforced zirconium-based metallic glass composite wire can be obtained. Cross-sectional SEM photos, X-ray diffraction patterns (XRD) and thermal analysis curves (DSC) are as follows Figure 6 , Figure 7 red curve, Figure 5 Shown by the black curve. From Figure 6 It can be seen from the figure that the edge of the tungsten wire is very clear and smooth, no obvious dissolution and exfoliation occurs, and the interface of the composite material is very smooth. From Figure 7 It can be seen that the diffraction peak of the uncomposited sample is...

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Abstract

The invention provides continuous preparation equipment and a process for a fiber-reinforced metal glass composite filament, and belongs to the field of amorphous alloy (metallic glass). The continuous preparation equipment is composed of a vacuum system, a pay-off wheel set, a heating system, a cooling device and a dragging mechanism. A heating carrier is placed in the high vacuum system so as to obtain a composite interface with good bonding property, no blends and complete cleaning performance. By adopting the method for paying off, a double-guide-wheel device is used, the two guide wheels are tangent in the two guide wheels, and the lower guide wheel is connected with a motor so as to directly wind the prepared filament, thus realizing the continuous and large-scale production and achieving the purposes of short procedures and energy conservation and consumption reduction. The continuous preparation equipment and process are applied to preparation of armour piercing materials and other uses.

Description

[0001] technical field [0002] The invention belongs to the field of amorphous alloys, and in particular relates to continuous preparation equipment and technology for fiber-reinforced metallic glass composite material filaments. Background technique [0003] Metallic glass (also known as amorphous alloy) refers to a metal alloy that has short-range order and long-range disorder in the arrangement of atoms in the solid state, and maintains this state relatively stable within a certain temperature range. In the past ten years, the development of bulk metallic glass is a milestone in its development process, making it possible for metallic glass to be used as a structural material. [0004] Compared with traditional crystal materials, bulk metallic glasses have outstanding advantages such as higher strength (~2GPa), large elastic limit (2%~3%), and good corrosion resistance. It is precisely because of its unique properties that bulk metallic glasses have been more and more w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/08C22C45/00
Inventor 陈晓华张保玉惠希东
Owner UNIV OF SCI & TECH BEIJING
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