Plasticity enhancement massive metal glass material and preparation method thereof

A metallic glass and plasticity technology, applied in the fields of condensed matter physics and material science, can solve problems such as difficulty in controlling the percentage of the second phase, inability to repeatedly prepare composite materials, increase the difficulty of composite material preparation, etc., and achieve the effect of improving plasticity

Inactive Publication Date: 2008-06-04
INST OF PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is often difficult to control the percentage of the second phase, and cannot repeatedly prepare composite materials with consistent properties.
[0006] In short, since the preparation of composite materials is a co...

Method used

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  • Plasticity enhancement massive metal glass material and preparation method thereof
  • Plasticity enhancement massive metal glass material and preparation method thereof
  • Plasticity enhancement massive metal glass material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] First of all, Zr, Ti, Cu, Ni, Be with a purity of 99.9% are 41.2 Ti 13.8 Cu 12.5 Ni 10 Be 22.5 The raw material is smelted into a uniform master alloy ingot in an argon atmosphere with titanium adsorption. Secondly, prepare a copper tube with a length of 4 cm, an outer diameter of 4 mm, and an inner diameter of 3 mm. The inner and outer surfaces of the copper pipe are polished with sandpaper to remove surface oxides, and the inner surface is corroded with hydrofluoric acid for 5 minutes to improve the inner surface. For roughness, clamp the processed copper pipe in a water-cooled copper mold with a diameter of 4 mm. Finally follow figure 1 In a schematic way, in an argon atmosphere, the master alloy ingot is smelted with an electric arc, and the melt is sucked and cast into the mold to prepare a copper tube-wrapped Vit1 amorphous alloy.

[0034] Figure 2~4 They are the actual photos, SEM photos and XRD images of the sample. The alloy and the copper tube are very tightly c...

Embodiment 2

[0036] First of all, Zr, Ti, Cu, Ni, Be with a purity of 99.9% are 41.2 Ti 13.8 Cu 12.5 Ni 10 Be 22.5 The raw material is smelted into a uniform master alloy ingot in an argon atmosphere with titanium adsorption. Secondly, prepare a steel pipe with a length of 4 cm, an outer diameter of 6 mm, and an inner diameter of 4 mm. The inner and outer surfaces are sanded to remove surface oxides, and the inner surface is corroded with hydrofluoric acid for 10 minutes to improve the roughness of the inner surface. The steel pipe is clamped in a 6mm water-cooled copper mold. Finally follow figure 1 In a schematic way, in an argon atmosphere, the master alloy ingot is smelted with an electric arc, and the melt is sucked and cast into the mold to prepare a Vit1 amorphous alloy wrapped in a steel pipe. See the physical map of the sample Figure 7 . The detailed test of the sample is as in Example 1, and will not be repeated.

[0037] Table 1: Uniaxial compression results of copper tube wrapped...

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Abstract

The invention relates to a bulk metallic glass material with improved plasticity which is a metallic glass alloy cylindrical material covered by a metal pipe. The inner diameter of the metal pipe is between 3 and 10 mm, the thickness is between 0.5 and 2mm, the length is between 3 and 10 cm; the covered metallic glass alloy is alloy systems such as zirconium-based, copper-based, iron-based, rare-earth-based and so on, which amorphous formation abilities are more than 3 mm; the metal pipe can be various metal pipes with good plasticity. A preparation method for the bulk metallic glass material with improved plasticity provided by the invention is that: the single element metal with the purity not lower than 99.9 percent is prepared according to the atomic formula of the amorphous alloy, then is melted and cooled to obtain the mother alloy ingot; the mother alloy ingot is melted, then is made a suction casting into the metal pipe which is treated and is clamped in a water-cooled copper mold, and finally is cooled. The invention improves the amorphous plasticity, also has no influence on the forming ability of the bulk metallic glass, and is applicable to all the bulk m etallic glass systems.

Description

Technical field [0001] The invention belongs to the field of condensed matter physics and material science, and specifically relates to a plastically enhanced bulk metallic glass material and a preparation method thereof. Background technique [0002] Bulk amorphous alloys (ie bulk metallic glass) of various alloy systems have been prepared from Inoue, Johnson, etc., such as Mg-Y-Ni-Cu, Pd-Ni-Cu-P, Zr-Ti-Cu-Ni Since Be, large metal glass materials have attracted great attention due to their unique properties (super high strength ~ 2-5 GPa, high elasticity ~ 2%, excellent corrosion resistance, etc.). Zr 41.2 Ti 13.8 Cu 12.5 Ni 10 Be 22.5 (Vit1) As one of the alloy systems with the strongest glass-forming ability, it can form bulk materials with a diameter of more than ten centimeters. The amorphous-forming ability is close to the traditional oxide glass, and its strength can reach more than 2000MPa, plus its high The characteristics of elasticity and high hardness have broad appli...

Claims

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Application Information

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IPC IPC(8): C22F1/00B22D18/06B22D19/16
Inventor 余鹏柳延辉白海洋赵德乾潘明祥汪卫华
Owner INST OF PHYSICS - CHINESE ACAD OF SCI
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