Unlock instant, AI-driven research and patent intelligence for your innovation.

Titanium-zirconium-niobium-tin high-temperature shape memory alloy material and preparation method thereof

A technology of memory alloy and shape alloy is applied in the field of titanium zirconium niobium tin high temperature shape memory alloy material to achieve the effect of improving the high temperature shape memory capability

Inactive Publication Date: 2008-02-13
BEIHANG UNIV
View PDF1 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has more than 2% superelasticity, less than 60Gpa elastic modulus and high damping performance at room temperature and human body temperature, but there are no relevant reports on the high-temperature memory performance of Ti-Zr-Nb titanium alloys.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Titanium-zirconium-niobium-tin high-temperature shape memory alloy material and preparation method thereof
  • Titanium-zirconium-niobium-tin high-temperature shape memory alloy material and preparation method thereof
  • Titanium-zirconium-niobium-tin high-temperature shape memory alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0021] The preparation method and steps of the titanium-zirconium-niobium-tin high-temperature shape memory alloy material of the present invention are as follows:

[0022] (1) According to the chemical composition ratio of TiZrNbSn, the titanium with a purity of 99.9%, the zirconium with a purity of 99.9%, the niobium (Nb) with a purity of 99.9% and the tin with a purity of 99.9% are weighed;

[0023] (2) Put the above-mentioned titanium, zirconium, niobium and tin raw materials into a non-consumable vacuum electric arc furnace, and evacuate to 2×10 -3 Pa~5×10 -3 Pa, filled with high-purity argon to 1.01×10 5 Pa, and then smelted into TiZrNbSn ingots at 1700 ° C ~ 2000 ° C;

[0024] (3) Put the above-mentioned obtained TiZrNbSn ingot into a vacuum heat treatment furnace for heat treatment. -3 Pa~5×10 -3 Pa, heat treatment temperature 850°C-900°C for 1-2 hours, then quenching in water to obtain the titanium-zirconium-niobium-tin high-temperature shape memory alloy material...

Embodiment 1

[0030] Example 1: Ti 54 Zr 32 Nb 10 sn 4 Alloy materials

[0031] (1) Press Ti 54 Zr 32 Nb 10 sn 4 The ingredients are titanium with a purity of 99.9%, zirconium with a purity of 99.9%, niobium with a purity of 99.9% and tin with a purity of 99.9%;

[0032] (2) Put the above-mentioned titanium, zirconium, niobium and tin block raw materials into a non-consumable vacuum electric arc furnace, and evacuate to 5×10 -3 Pa, filled with high-purity argon to 1.01×10 5 Pa, and then smelted into TiZrNbSn ingots above 1800°C;

[0033] (3) Put the above-mentioned obtained TiZrNbSn ingot into the vacuum heat treatment furnace for heat treatment, at a vacuum degree of 5×10 -3 Pa, after heat treatment at 900°C for 1 hour, quenching in water, the Ti required by the present invention can be obtained. 54 Zr 32 Nb 10 sn 4 High temperature shape memory alloy materials.

[0034] Using the wire cutting method, the Ti obtained above 54 Zr 32 Nb 10 sn4 The cutting size of the alloy...

Embodiment 2

[0035] Example 2: Ti 60 Zr 31 Nb 2 sn 7 Alloy materials

[0036] (1) Press Ti 60 Zr 31 Nb 2 sn 7 The ingredients are titanium with a purity of 99.9%, zirconium with a purity of 99.9%, niobium with a purity of 99.9% and tin with a purity of 99.9%;

[0037] (2) Put the above-mentioned titanium, zirconium and tin block raw materials into a non-consumable vacuum electric arc furnace, and vacuumize to 5×10 -3 Pa, filled with high-purity argon to 1.01×10 5 pa, and then smelted into TiZrNbSn ingot at 2000℃;

[0038] (3) Put the above-mentioned obtained TiZrNbSn ingot into the vacuum heat treatment furnace for heat treatment, at a vacuum degree of 5×10 -3 Pa, after heat treatment at 900°C for 1 hour, quenching in water, the Ti required by the present invention can be obtained. 60 Zr 31 Nb 2 sn 7 High temperature shape memory alloy materials.

[0039] Performance testing method is identical with embodiment 1, Ti 60 Zr 31 Nb 2 sn 7 The stress-strain curve of the hig...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Phase transition pointaaaaaaaaaa
Compressive yield strengthaaaaaaaaaa
Compressive yield strengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a Ti-Zr-Nb-Sn high temperature shape memory alloy material, which consists of 30 to 40atpercent Zr, 0.2 to 10atpercent Nb, 5 to 10atpercent Sn and residual Ti. And the content of all components account for 100percent. The transformation temperature of the alloy material is 201 to 880DEG C, and the shape memory effect is more than 1.50percent; the yield strength at 20DEG C is 350 to 750Mpa and the deformation rate is 12 to 30percent.

Description

technical field [0001] The invention relates to a titanium-zirconium-niobium-tin high-temperature shape memory alloy material. By adding niobium and tin elements to the titanium-zirconium alloy, the martensitic phase transition temperature of the alloy can be adjusted within a wide range of 201-880°C, and the high temperature of the alloy can be improved. Shape memory ability. Background technique [0002] Generally, shape memory alloys with a martensitic transformation temperature higher than 200°C are called high-temperature shape memory alloys. This type of material is widely used in aerospace, fire protection, chemical and nuclear industries due to its shape memory effect and high phase transformation temperature. be widely used. [0003] Binary TiZr alloy is a high-temperature shape memory alloy with good comprehensive properties. Its martensitic transformation temperature varies in the range of 600-800 ° C with different components, and has a shape memory performance ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C22C30/00C22C1/02C22F1/00
Inventor 李岩崔琰徐惠彬
Owner BEIHANG UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com