Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Nickel titanium memory alloy and piezoelectric ceramic hetero three step compounding technology

A technology of nickel-titanium memory alloy and piezoelectric ceramics, which is applied in the coating process of metal materials, piezoelectric/electrostrictive/magnetostrictive devices, and the manufacture/assembly of piezoelectric/electrostrictive devices. Effectively solve the problems of physical and chemical compatibility of heterogeneous interface structure and complex process

Inactive Publication Date: 2003-04-16
TIANJIN UNIVERSITY OF TECHNOLOGY
View PDF0 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, although there are research reports on related composite processes at home and abroad, the process is relatively complicated and has not effectively solved the problem of physical and chemical compatibility of the interface structure between heterogeneous materials.

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
  • Nickel titanium memory alloy and piezoelectric ceramic hetero three step compounding technology
  • Nickel titanium memory alloy and piezoelectric ceramic hetero three step compounding technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] Embodiment: a kind of nickel-titanium memory alloy and piezoelectric ceramics heterogeneous three-step composite process (see figure), it is characterized in that it is made up of following three steps:

[0015] The first step: surface treatment of nickel-titanium (NiTi) thin film substrate, the surface treatment of nickel-titanium (NiTi) thin film substrate is chemical treatment, the surface is cleaned, oil stains and oxide scales are removed and a surface with suitable roughness is formed ;

[0016] The above-mentioned surface treatment of the nickel-titanium sheet substrate adopts a chemical treatment method that can be pickling, and the pickling solution is a solution of hydrofluoric acid, nitric acid, and water in a volume ratio of 3:3:4.

[0017] The second step: chemically deposit piezoelectric ceramic lead zirconate titanate (PZT) film on nickel-titanium (NiTi) substrate, that is, obtain piezoelectric ceramic lead zirconate titanate (PZT) film on nickel-titanium...

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

No PUM Login to View More

Abstract

A heterogeneity three-step complex technology of NiTi memory alloy and piezoelectric ceramics (PZT) includes the following three steps: 1. surface process of NiTi substrate 2. depositing PZT film on NiTi substrate by chemical method 3. formation by in-situ thermal-response, the above mentioned three steps are on air environment and heated with normal furnace with the following advantages: 1. obtaining transition layer of TiO2 ceramic layer and NiTi alloy zone by insitu thermal-response by which to solve the problem of combination of interfaces between NiTi and PZT 2. getting a new functional composite material eg. intelligent damped material.

Description

(1) Technical field: [0001] The invention relates to a preparation process of functional composite materials, in particular to a heterogeneous three-step composite process of nickel-titanium memory alloy and piezoelectric ceramics. (two) background technology: [0002] Both nickel-titanium memory alloy and piezoelectric ceramics are functional materials that are valued by people. But both have their own shortcomings, which are not conducive to the performance of their respective functions. If the two are combined, not only can the advantages be complementary, but also a new functional material system can be obtained, and the application prospect will be greatly improved. However, it is very difficult to combine Nitinol and piezoelectric ceramics, two materials with very different properties. The key is how to ensure the interface structure with physical and chemical compatibility between heterogeneous materials. At present, although there are research reports on related c...

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): C23C16/40C23C16/56H01L41/39
Inventor 刘庆锁
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com