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Titanium-based amorphous alloy and method for preparing same

An amorphous alloy, titanium-based technology, applied in the field of titanium-based amorphous alloy and its preparation, can solve the problems of poor amorphous formation ability of titanium-based amorphous alloy, limit the application range and degree of amorphous alloy, etc., and achieve amorphous Excellent formability, excellent compressive breaking strength, simple composition

Active Publication Date: 2011-05-18
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the amorphous formation ability of this titanium-based amorphous alloy is relatively poor, and in the amorphous alloy prepared in the embodiment, the critical dimension is only 2mm at most
This greatly limits the application range and extent of this amorphous alloy, so it is necessary to develop a titanium-based amorphous alloy with a large critical size

Method used

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  • Titanium-based amorphous alloy and method for preparing same
  • Titanium-based amorphous alloy and method for preparing same

Examples

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preparation example Construction

[0014] The preparation method of the titanium-based amorphous alloy of the present invention includes melting and cooling the amorphous alloy raw material under protective gas or vacuum conditions, wherein the amorphous alloy raw material is according to the general formula Ti a Cu b sn c TL d In the formula, TL is one or more of Fe, Co, Mn, Ru, Ag, Pd, Pt, a, b, c, d are atomic percentages, 40≤a≤60, 30 ≤b≤50, 0≤c≤6, 2≤d≤8, and the sum of a, b, c, and d is 100. Wherein, when TL is a combination of multiple elements, the ratio of each element can be any ratio.

[0015] The purity of various raw materials used to prepare the titanium-based amorphous alloy of the present invention is preferably 99.95% by weight or more. The raw material has high purity, which is beneficial to the formation of amorphous alloy.

[0016] The protective gas is one or more of the zero-group element gases in the periodic table. The vacuum degree of the vacuum condition is 0.01-1000 Pa, and the va...

Embodiment 1

[0023] This example illustrates the titanium-based amorphous alloy provided by the present invention and its preparation method.

[0024] Put various titanium-based amorphous alloy raw materials with a purity of 99.96% by weight into an arc melting furnace (Shenyang Scientific Instrument Factory), evacuate the arc melting furnace, use argon as a protective gas, and melt for 3 minutes at 1300°C , so that the titanium-based amorphous alloy raw material is fully melted. The types and amounts of each titanium-based amorphous alloy raw material are 50 atomic % Ti, 47 atomic % Cu, and 3 atomic % Ag.

[0025] The molten alloy sample was then subjected to 10 3 The cooling rate of K / s was water-cooled copper mold cooling, and then melted and cooled again according to the above method, and cast into a titanium-based amorphous alloy sample A1 with a size of Φ2 mm and a length of 20 mm. Elemental analysis shows that the composition of the titanium-based amorphous alloy sample A1 is Ti ...

Embodiment 2

[0027] This example illustrates the titanium-based amorphous alloy provided by the present invention and its preparation method.

[0028] Put various titanium-based amorphous alloy raw materials with a purity of 99.96% by weight into an arc melting furnace (Shenyang Scientific Instrument Factory), evacuate the arc melting furnace, use argon as a protective gas, and melt for 3 minutes at 1300°C , so that the titanium-based amorphous alloy raw material is fully melted. The types and amounts of each titanium-based amorphous alloy raw material are 50 atomic % Ti, 44 atomic % Cu, 3 atomic % Sn and 3 atomic % Ag.

[0029] The molten alloy sample was then subjected to 10 3 The cooling rate of K / s was water-cooled copper mold cooling, and then melted and cooled again according to the above method, and cast into a titanium-based amorphous alloy sample A2 with a size of Φ2 mm and a length of 20 mm. Elemental analysis shows that the composition of the titanium-based amorphous alloy sam...

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Abstract

The invention provides a titanium-based amorphous alloy, and the compositions of the titanium-based amorphous alloy are shown in the following general formula: TiaCubSncTLd, wherein TL is one or more of Fe, Co, Mn, Ru, Ag, Pd and Pt; a, b, c and d are in atomic percentage; a is more than or equal to 40 and less than or equal to 60; b is more than or equal to 30 and less than or equal to 50; c is more than or equal to 0 and less than or equal to 6; d is more than or equal to 2 and less than or equal to 8; and the sum of the a, b, c and d is 100. The invention also provides a method for preparing the titanium-based amorphous alloy. The titanium-based amorphous alloy has large critical dimension and excellent compression fracture strength. Moreover, the titanium-based amorphous alloy has simple compositions, does not use elements harmful to human body and has the advantages of excellent amorphous formation and easy preparation.

Description

technical field [0001] The invention relates to an alloy and a preparation method thereof, in particular to a titanium-based amorphous alloy and a preparation method thereof. Background technique [0002] Bulk titanium-based amorphous alloys have broad application prospects in structural materials and biomaterials due to their high fracture strength, low density, excellent corrosion resistance and low cost, so they have attracted widespread attention and research. [0003] At present, people have been in Ti-Ni-Cu-Sn, Ti-Cu-Ni-Zr-Sn, Ti-Cu-Ni-Si-B, Ti-Cu-Zr-Ni, Ti-Cu-Zr-Ni-Be , Ti-Cu-Zr-Ni-Hf-Si and other alloy systems have found bulk titanium-based amorphous alloys, but they all have certain shortcomings, some have low titanium content, and some alloys contain highly toxic elements (Be ) or elements (Ni) harmful to the human body, and some alloy components are too complex, which limits its application range. [0004] For example, JP2005-281721 discloses an amorphous alloy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/10C22C1/02
Inventor 文丹华陈海林张法亮宫清
Owner BYD CO LTD