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Titanium-based block amorphous alloy with high palladium content and low copper content and preparation method thereof

An amorphous alloy, titanium-based technology, applied in the field of titanium alloys, can solve problems such as toxins, reduce the safety of amorphous alloy biomedical materials, etc., and achieve the effects of reducing hazards, excellent mechanical properties, and low copper content

Active Publication Date: 2012-12-05
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The release of copper ions will produce certain toxins to the human body, which reduces the safety of amorphous alloys as biomedical materials

Method used

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  • Titanium-based block amorphous alloy with high palladium content and low copper content and preparation method thereof
  • Titanium-based block amorphous alloy with high palladium content and low copper content and preparation method thereof
  • Titanium-based block amorphous alloy with high palladium content and low copper content and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Ti can be used in biomedical and chemical fields 45 Zr 10 Cu 15 PD 25 sn 5 Amorphous alloy

[0035] The first step, the preparation of titanium alloy raw materials

[0036] The composition is matched according to the atomic percentage, and the chemical composition (atomic percentage) is: Ti is 45%, Pd is 25%, Cu is 15%, Zr is 10%, and Sn is 5%. The raw materials used are pure metal raw materials with a purity of more than 99.9% (percentage by weight).

[0037] The second step, the preparation of titanium alloy ingot

[0038] Put the titanium alloy raw material prepared in the first step into a water-cooled copper mold melting crucible, close the furnace door and the gas release valve of the electric arc furnace, and then evacuate the furnace body to a high vacuum of 5×10 -3 MPa, open the vent valve, fill the furnace chamber with argon until the pressure is 0.04MPa, start the arc, adjust the current, and melt the titanium raw material alloy into a master alloy. Th...

Embodiment 2

[0042] Ti can be used in biomedical and chemical fields 43 PD 25 Cu 15 Zr 10 sn 5 f 2 Amorphous alloy

[0043] The first step, the preparation of titanium alloy raw materials

[0044] The composition is matched by atomic percentage, and the chemical composition (atomic percentage) is: Ti is 43%, Pd is 25%, Cu is 15%, Zr is 10%, Sn is 5%, and Hf is 2%. The raw materials used are pure metal raw materials with a purity of more than 99.9% (percentage by weight).

[0045] The second step, the preparation of titanium alloy ingot

[0046] Same as Example 1

[0047] The third step, the preparation of titanium-based bulk amorphous alloy

[0048] After cleaning the uniform titanium alloy ingot obtained in the second step with acetone and alcohol successively, put it into the mold of the water-cooled copper mold suction casting furnace, and vacuumize it to 5×10 -3 MPa, and then filled with argon until the cavity pressure is 0.05MPa, and suction casting is carried out to obtain ...

Embodiment 3

[0050] Can be used in biomedical and chemical fields (Ti 43 PD 25 Cu 15 Zr 10 sn 5 f 2 ) 99 Si 1 bulk amorphous alloys.

[0051] The first step, the preparation of titanium alloy raw materials

[0052] The composition is matched by atomic percentage, and the chemical composition (atomic percentage) is: Ti is 42.57%, Zr is 9.9%, Hf is 1.98%, Cu is 14.85%, Pd is 24.75%, Sn is 4.95%, and Si is 1%. The raw materials used are pure metal raw materials with a purity of more than 99.9% (percentage by weight).

[0053] The second step, the preparation of titanium alloy ingot

[0054] With embodiment 1.

[0055] The third step, the preparation of titanium-based bulk amorphous alloy

[0056] After cleaning the uniform titanium alloy ingot obtained in the second step with acetone and alcohol successively, put it into the mold of the water-cooled copper mold suction casting furnace, and vacuumize it to 5×10 -3 MPa, and then filled with argon until the cavity pressure is 0.05MPa...

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Abstract

The invention discloses a titanium-based block amorphous alloy with higher palladium content and lower copper content, and the alloy is especially suitable for the fields of biomedical and chemical industry. The alloy mainly comprises the following components in percentage by atom: 40-45% of Ti, 24-30% of Pd, 10-15% of Cu, 5-10% of Zr, 4-8% of Sn, 0-3% of Hf and 0-3% of Si. The alloy is prepared by water-cooling copper mould suction casting, and the maximum critical diameter size can be 3mm. The block amorphous alloy has bigger size and lower copper content. After the block amorphous alloy serving as a biomedical material is implanted into a human body, copper ion precipitation amount is small, and damage on human body tissues by harmful element Cu can be greatly lowered. The biocompatibility of the titanium-based block amorphous alloy is improved, and the alloy also has excellent corrosion resistance and can be used for the chemical industry field.

Description

technical field [0001] The invention relates to a titanium alloy that can be used in the fields of biomedicine and chemical industry, in particular to a Ti-Pd-Cu-Zr-Sn-Hf-Si bulk amorphous alloy with high palladium and low copper content and a preparation method thereof. Background technique [0002] Biomedical materials are mainly used in the repair and replacement of human tissues and organs. It has always been the focus of human attention, and titanium alloys have won people's favor for their good corrosion resistance, mechanical properties and biocompatibility. The focus of research in the field of biomedical materials. [0003] With the development of technology and economy, the requirements for the performance of titanium alloy materials are getting higher and higher. People hope to obtain titanium alloys with higher strength, lower elastic modulus and better biocompatibility to meet the rapidly developing biological conditions. To meet the needs of engineering techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/10
Inventor 惠希东周夏凉陈晓华吴一栋戚玉凤王树申赵岩峰周星吕昭平
Owner UNIV OF SCI & TECH BEIJING
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